Home > Powerful Sums > Final Report

Powerful Sums


The Powerful Sums contest has ended. Congratulations to our winners:

Position Winner Prize
Art of Play Digital Gift Card
in the Amount of …
1st Spencer / Spencer Illinois / North Carolina, USA $500
2nd Tom Sirgedas Okemos, Michigan, United States $250
3rd Bert Dobbelaere Melsele, Belgium $100
4th Paulsen / Paulsen Germany / France $50
5th Jarek Wroblewski Wroclaw, Poland $25
6th Lucien Pech Zürich, Switzerland $25
7th Heiko Schwartz Augsburg, Germany $25
8th Kalachev Gleb Moscow, Russia $25
9th Niels Gasper Waltrop, Germany $25
10th Kay Schönberger Koblenz, Germany $25

Click here to show (or hide) the contestants who submitted the best solution for each problem.
     Problems for which the best solution was found during the first 48 hours of the contest are omitted.
Problem Score Solver Date Achieved
n = 7 11.82 David Spencer Evanston, Illinois, United States 16 Feb 2026 14:36
n = 9 34.14 David Spencer Evanston, Illinois, United States 2 Feb 2026 01:27
n = 11 68.42 Kay Schönberger Koblenz, Germany 10 Feb 2026 18:48
n = 13 104.04 Kay Schönberger Koblenz, Germany 10 Feb 2026 14:06
n = 15 147.53 Roland Postle Manchester, United Kingdom 20 Feb 2026 21:12
n = 17 197.16 Roland Postle Manchester, United Kingdom 31 Jan 2026 13:11
n = 19 248.69 Kalachev Gleb Moscow, Russia 2 Dec 2025 06:00
n = 21 308.84 Kalachev Gleb Moscow, Russia 2 Dec 2025 03:30
n = 23 383.20 Kalachev Gleb Moscow, Russia 20 Feb 2026 02:19
n = 25 467.64 Kalachev Gleb Moscow, Russia 20 Feb 2026 02:27
n = 27 556.71 Kalachev Gleb Moscow, Russia 10 Dec 2025 19:12
n = 29 653.59 Tom Sirgedas Okemos, Michigan, United States 10 Feb 2026 17:20
n = 31 738.50 Kalachev Gleb Moscow, Russia 2 Dec 2025 05:47
n = 33 852.69 Kalachev Gleb Moscow, Russia 3 Dec 2025 02:42
n = 35 961.61 Kalachev Gleb Moscow, Russia 2 Dec 2025 05:49
n = 37 1100.92 Roland Postle Manchester, United Kingdom 15 Feb 2026 11:58
n = 39 1230.71 Kalachev Gleb Moscow, Russia 2 Dec 2025 01:15
n = 41 1373.95 Jarek Wroblewski Wroclaw, Poland 1 Jan 2026 11:41
n = 43 1519.51 Hans-Werner Paulsen Miesbach, Germany 24 Jan 2026 10:50
n = 45 1665.76 Kalachev Gleb Moscow, Russia 9 Dec 2025 21:31
n = 47 1813.41 Kalachev Gleb Moscow, Russia 2 Dec 2025 06:13
n = 49 1989.41 Kalachev Gleb Moscow, Russia 2 Dec 2025 04:58
n = 51 2168.69 Kalachev Gleb Moscow, Russia 2 Dec 2025 05:46
n = 53 2360.37 Kalachev Gleb Moscow, Russia 2 Dec 2025 05:18
n = 55 2556.94 Jarek Wroblewski Wroclaw, Poland 1 Jan 2026 16:05

Click here to show (or hide) the best solutions received for each problem in the contest.
Problem Score Solution
n = 7 11.82
Click here to toggle the visibility of this solution
1070698, 1104275, -1104965, -1422698, 1422849, 1445781, -1469784
n = 9 34.14
Click here to toggle the visibility of this solution
107759354, 121072479, -125182832, 140254816, 146196851, -154957291, -167953986, -193344483, 198749746
n = 11 68.42
Click here to toggle the visibility of this solution
-10071111683, 10071111684, 10194305230, 10398574906, -10971516762, -21639645636, 21639645637, 21639645665, -21639645667, -21639645695, 21639645696
n = 13 104.04
Click here to toggle the visibility of this solution
-1038070877068, 1038070877069, 1038070877071, -1038070877073, -1038070877075, 1038070877076, 1117702449085, 1117702488094, -1178914647468, 1433337373031, -1433337373032, -1433337373184, 1433337373185
n = 15 147.53
Click here to toggle the visibility of this solution
106981465023842, -106981465023911, -106981465023942, 106981465024086, 106981465024195, -106981465024339, -106981465024370, 106981465024439, 129589792811524, 129589792812548, -131184827341502, 131184827341504, 131184827341522, -131184827341524, -135718628389588
n = 17 197.16
Click here to toggle the visibility of this solution
10496702363813808, 10496702363813918, -10933533241182349, -11447399234924483, 11447399234924526, 11447399234924532, -11447399234924589, -11447399234924876, 11447399234924933, 11447399234924939, -11447399234924982, -18955901030832266, 18955901030833874, 18955901030834632, -18955901030837111, -18955901030840608, 18955901030841479
n = 19 248.69
Click here to toggle the visibility of this solution
1042005155417948160, 6252030932507688555, -6252030932507688564, -6252030932507688681, -6252030932507688690, 6252030932507688699, 6252030932507688744, 6252030932507688771, 6252030932507688825, 6252030932507688951, -6252030932507688969, -6252030932507689095, -6252030932507689149, -6252030932507689176, -6252030932507689221, 6252030932507689230, 6252030932507689239, 6252030932507689356, -6252030932507689365
n = 21 308.84
Click here to toggle the visibility of this solution
100538255534991121260, 703767788744937848773, -703767788744937848774, 703767788744937848777, -703767788744937848778, -703767788744937848779, 703767788744937848780, -703767788744937848786, 703767788744937848793, 703767788744937848799, 703767788744937848805, -703767788744937848835, -703767788744937848841, -703767788744937848847, 703767788744937848854, -703767788744937848860, 703767788744937848861, 703767788744937848862, -703767788744937848863, 703767788744937848866, -703767788744937848867
n = 23 383.20
Click here to toggle the visibility of this solution
-10791106094089047015240, 75537742658623329106604, -75537742658623329106606, -75537742658623329106614, 75537742658623329106624, 75537742658623329106626, -75537742658623329106646, -75537742658623329106650, -75537742658623329106660, -75537742658623329106664, -75537742658623329106670, 75537742658623329106676, -75537742658623329106684, 75537742658623329106690, 75537742658623329106696, 75537742658623329106700, 75537742658623329106710, 75537742658623329106714, -75537742658623329106734, -75537742658623329106736, 75537742658623329106746, 75537742658623329106754, -75537742658623329106756
n = 25 467.64
Click here to toggle the visibility of this solution
-1149487388283398486406000, -8046411717983789404841926, 8046411717983789404841934, 8046411717983789404841936, 8046411717983789404841950, -8046411717983789404841954, -8046411717983789404841958, -8046411717983789404841966, -8046411717983789404841972, -8046411717983789404841974, -8046411717983789404841978, -8046411717983789404841980, -8046411717983789404841992, 8046411717983789404842008, 8046411717983789404842020, 8046411717983789404842022, 8046411717983789404842026, 8046411717983789404842028, 8046411717983789404842034, 8046411717983789404842042, 8046411717983789404842046, -8046411717983789404842050, -8046411717983789404842064, -8046411717983789404842066, 8046411717983789404842074
n = 27 556.71
Click here to toggle the visibility of this solution
114243054149253715621576704, -456972216597014862486305024, 456972216597014862486308608, 913944433194029724972613625, -913944433194029724972613639, 990902548179242257172689361, -990902548179242257172689370, -990902548179242257172689379, 990902548179242257172689397, 990902548179242257172689433, -990902548179242257172689451, -990902548179242257172689487, 990902548179242257172689505, 990902548179242257172689514, -990902548179242257172689523, 997155012858974701852516557, -997155012858974701852516561, -997155012858974701852516565, 997155012858974701852516577, 997155012858974701852516581, -997155012858974701852516597, -997155012858974701852516605, 997155012858974701852516621, 997155012858974701852516625, -997155012858974701852516637, -997155012858974701852516641, 997155012858974701852516645
n = 29 653.59
Click here to toggle the visibility of this solution
-10046240722372008721672264460, -10046240722372008721672598897, -10046240722372008724171629491, 10046240722372008724171629502, 10226913172702713226063898555, -10226913172702713226063898561, -10226913172702713226063898579, 10226913172702713226063898597, 10226913172702713226063898609, -10226913172702713226063898627, -10226913172702713226063898645, 10226913172702713226063898651, 10289254867601756715517480462, -11473823556843236736037304273, 11473823556843236736037304274, 11473823556843236736037304276, -11473823556843236736037304279, -11473823556843236736037304281, 11473823556843236736037304285, 11473823556843236736037304287, -11473823556843236736037304290, -11473823556843236736037304292, 11473823556843236736037304293, 12010200430808385662949218489, -12010200430808385662949219002, -12010200430808385662949222593, 12010200430808385662949223619, 12010200430808385662949227210, -12010200430808385662949227723
n = 31 738.50
Click here to toggle the visibility of this solution
1006156150576502401042215435360, 1665668569477223369260105672638, -1665668569477223369260105672639, -1665668569477223369260105672640, 1665668569477223369260105672643, 1665668569477223369260105672644, -1665668569477223369260105672648, -1665668569477223369260105672650, 1665668569477223369260105672654, 1665668569477223369260105672655, -1665668569477223369260105672658, -1665668569477223369260105672659, 1665668569477223369260105672660, 7043093054035516807295508046440, -7043093054035516807295508046464, -7043093054035516807295508046776, -7043093054035516807295508046800, 7043093054035516807295508046824, 7043093054035516807295508046944, 7043093054035516807295508047016, 7043093054035516807295508047160, 7043093054035516807295508047496, -7043093054035516807295508047544, -7043093054035516807295508047880, -7043093054035516807295508048024, -7043093054035516807295508048096, -7043093054035516807295508048216, 7043093054035516807295508048240, 7043093054035516807295508048264, 7043093054035516807295508048576, -7043093054035516807295508048600
n = 33 852.69
Click here to toggle the visibility of this solution
100591272570136292465486651227080, 182532837427145474681286893977414, -182532837427145474681286893977415, -182532837427145474681286893977416, 182532837427145474681286893977419, 182532837427145474681286893977420, -182532837427145474681286893977424, -182532837427145474681286893977426, 182532837427145474681286893977430, 182532837427145474681286893977431, -182532837427145474681286893977434, -182532837427145474681286893977435, 182532837427145474681286893977436, 704138907990954047258406558587628, -704138907990954047258406558587674, -704138907990954047258406558588180, 704138907990954047258406558588364, -704138907990954047258406558588410, 704138907990954047258406558588594, 704138907990954047258406558588686, 704138907990954047258406558588870, 704138907990954047258406558589192, -704138907990954047258406558589330, 704138907990954047258406558589790, -704138907990954047258406558589928, -704138907990954047258406558590250, -704138907990954047258406558590434, -704138907990954047258406558590526, 704138907990954047258406558590710, -704138907990954047258406558590756, 704138907990954047258406558590940, 704138907990954047258406558591446, -704138907990954047258406558591492
n = 35 961.61
Click here to toggle the visibility of this solution
10648265041917126972572306925158400, 85186120335337015780578455401267155, -85186120335337015780578455401267156, -85186120335337015780578455401267169, -85186120335337015780578455401267170, 85186120335337015780578455401267171, 85186120335337015780578455401267176, 85186120335337015780578455401267179, 85186120335337015780578455401267185, 85186120335337015780578455401267199, -85186120335337015780578455401267201, -85186120335337015780578455401267215, -85186120335337015780578455401267221, -85186120335337015780578455401267224, -85186120335337015780578455401267229, 85186120335337015780578455401267230, 85186120335337015780578455401267231, 85186120335337015780578455401267244, -85186120335337015780578455401267245, -85578985605322124820185590594005110, 85578985605322124820185590594005112, 85578985605322124820185590594005116, -85578985605322124820185590594005122, -85578985605322124820185590594005126, 85578985605322124820185590594005132, 85578985605322124820185590594005144, -85578985605322124820185590594005146, 85578985605322124820185590594005170, -85578985605322124820185590594005172, -85578985605322124820185590594005184, 85578985605322124820185590594005190, 85578985605322124820185590594005194, -85578985605322124820185590594005200, -85578985605322124820185590594005204, 85578985605322124820185590594005206
n = 37 1100.92
Click here to toggle the visibility of this solution
-1000468001820516511633829570990683243, -1000468001820516511633829570990686265, -1018202636329101527212061109979526303, 1018202636329101527212061109979526317, 1018202636329101527212061109979526319, -1018202636329101527212061109979526333, 1019387136273295369773924270750594483, 1155754101110679063020801221827498871, -1155754101110679063020801221827498887, -1155754101110679063020801221827498951, 1155754101110679063020801221827498983, 1155754101110679063020801221827499207, -1155754101110679063020801221827499255, -1155754101110679063020801221827499383, 1155754101110679063020801221827499431, 1155754101110679063020801221827499655, -1155754101110679063020801221827499687, -1155754101110679063020801221827499751, 1155754101110679063020801221827499767, -1850178813788646639351967924273587637, 1850178813788646639351967924273587787, 1850178813788646639351967924273588297, -1850178813788646639351967924273588927, -1850178813788646639351967924273589017, 1850178813788646639351967924273589917, 1850178813788646639351967924273590157, -1850178813788646639351967924273590757, -1850178813788646639351967924273591147, 1850178813788646639351967924273591327, 4047349522160627887788730370261074283, -4047349522160627887788730370261074311, -4047349522160627887788730370261074761, 4047349522160627887788730370261074845, 4047349522160627887788730370261075267, -4047349522160627887788730370261075351, -4047349522160627887788730370261075801, 4047349522160627887788730370261075829
n = 39 1230.71
Click here to toggle the visibility of this solution
100767138294370063019577255801695906245, -100767138294370063019577255801695906246, -100767138294370063019577255801695906249, 100767138294370063019577255801695906252, 100767138294370063019577255801695906254, -100767138294370063019577255801695906257, -100767138294370063019577255801695906260, 100767138294370063019577255801695906261, 102229674238728181045445520639430787260, -102229674238728181045445520639430787261, -102229674238728181045445520639430787262, 102229674238728181045445520639430787265, 102229674238728181045445520639430787266, -102229674238728181045445520639430787270, -102229674238728181045445520639430787272, 102229674238728181045445520639430787276, 102229674238728181045445520639430787277, -102229674238728181045445520639430787280, -102229674238728181045445520639430787281, 102229674238728181045445520639430787282, 102643588057425803946442583388757893985, -102643588057425803946442583388757893986, -102643588057425803946442583388757893987, 102643588057425803946442583388757893989, 102643588057425803946442583388757893993, -102643588057425803946442583388757893995, -102643588057425803946442583388757893999, 102643588057425803946442583388757894001, 102643588057425803946442583388757894002, -102643588057425803946442583388757894003, -106919776910949170526699980411300216832, 855358215287593364213599843290401734590, -855358215287593364213599843290401734601, -855358215287593364213599843290401734612, -855358215287593364213599843290401734623, 855358215287593364213599843290401734689, 855358215287593364213599843290401734700, 855358215287593364213599843290401734711, -855358215287593364213599843290401734722
n = 41 1373.95
Click here to toggle the visibility of this solution
10007217621764827072445350014462640258108, -10007217621764827072445350014462640258113, -10007217621764827072445350014462640258128, 10007217621764827072445350014462640258133, 10007217621764827072463063385804921514664, -10007217621764827072463063385804921514669, -10007217621764827072463063385804921514684, 10007217621764827072463063385804921514689, 10172385948469599410793750153117260842492, -10172385948469599410793750153117260842494, -10172385948469599410793750153117260842506, 10172385948469599410793750153117260842515, 10172385948469599410793750153117260842520, -10172385948469599410793750153117260842531, -10172385948469599410793750153117260842555, 10172385948469599410793750153117260842566, 10172385948469599410793750153117260842571, -10172385948469599410793750153117260842580, -10172385948469599410793750153117260842592, 10172385948469599410793750153117260842594, -10278098421651398042467788919225305267087, -10278098421651398042467788919225305267103, 10453337373106998431882765863978076044383, -12376489668049966526767760227677086454502, 12376489668049966526767760227677086454569, 12376489668049966526767760227677086456377, -12376489668049966526767760227677086456494, -12376489668049966526767760227677086461469, 12376489668049966526767760227677086461586, 12376489668049966526767760227677086463394, -12376489668049966526767760227677086463461, -15247806541253891334793500297874659409685, 15247806541253891334793500297874659409688, 15247806541253891334793500297874659409689, -15247806541253891334793500297874659409693, -15247806541253891334793500297874659409719, 15247806541253891334793500297874659409721, 15247806541253891334793500297874659409747, -15247806541253891334793500297874659409751, -15247806541253891334793500297874659409752, 15247806541253891334793500297874659409755
n = 43 1519.51
Click here to toggle the visibility of this solution
-1002072834160139364571747181000976559973813, 1002072834160139364571747181000976559973814, 1002072834160139364571747181000976559973815, -1002072834160139364571747181000976559973818, -1002072834160139364571747181000976559973819, 1002072834160139364571747181000976559973823, 1002072834160139364571747181000976559973825, -1002072834160139364571747181000976559973829, -1002072834160139364571747181000976559973830, 1002072834160139364571747181000976559973833, 1002072834160139364571747181000976559973834, -1002072834160139364571747181000976559973835, -1002369051742649777832055379054015152825474, 1002369051742649777832055379054015152825475, 1002369051742649777832055379054015152825476, -1002369051742649777832055379054015152825478, -1002369051742649777832055379054015152825482, 1002369051742649777832055379054015152825484, 1002369051742649777832055379054015152825488, -1002369051742649777832055379054015152825490, -1002369051742649777832055379054015152825491, 1002369051742649777832055379054015152825492, -1007781046254526510768296337236931668323853, 1007781046254526510768296337236931668323854, 1007781046254526510768296337236931668323855, -1007781046254526510768296337236931668323857, -1007781046254526510768296337236931668323860, 1007781046254526510768296337236931668323862, 1007781046254526510768296337236931668323863, -1007781046254526510768296337236931668323864, -1026859432996217043211249071863657208086126, 1026859432996217043211249071863657208086141, 1026859432996217043211249071863657208086156, -1026859432996217043211249071863657208086171, -1029280612438805348954763989364613624545296, 1029280612438805348954763989364613624545299, 1029280612438805348954763989364613624545302, -1029280612438805348954763989364613624545308, -1029280612438805348954763989364613624545311, 1029280612438805348954763989364613624545314, 1030591427364730248257066012520514360203305, 1030591427364730248257066012520514360203737, -1047338873201093933891551739334230738896496
n = 45 1665.76
Click here to toggle the visibility of this solution
102901387659559993703945316405670406258688000, 205802775319119987407890632811340811636572160, -205802775319119987407890632811340813398179840, -411605550638239974815781265622681625031311360, -411605550638239974815781265622681625034698240, 411605550638239974815781265622681625034805760, 411605550638239974815781265622681625038192640, 823211101276479949631562531245363250069503790, -823211101276479949631562531245363250069504210, 999966294891991437416314805148606078013498969, -999966294891991437416314805148606078013501535, -999966294891991437416314805148606078013504101, 999966294891991437416314805148606078013511799, 999966294891991437416314805148606078013514365, -999966294891991437416314805148606078013522063, 999966294891991437416314805148606078013532327, -999966294891991437416314805148606078013534893, -999966294891991437416314805148606078013537459, 999966294891991437416314805148606078013547723, 999966294891991437416314805148606078013557987, -999966294891991437416314805148606078013568251, -999966294891991437416314805148606078013570817, 999966294891991437416314805148606078013573383, -999966294891991437416314805148606078013583647, 999966294891991437416314805148606078013591345, 999966294891991437416314805148606078013593911, -999966294891991437416314805148606078013601609, -999966294891991437416314805148606078013604175, 999966294891991437416314805148606078013606741, -999994706325766143200272120949628551369318673, 999994706325766143200272120949628551369329455, 999994706325766143200272120949628551369351019, -999994706325766143200272120949628551369383365, -999994706325766143200272120949628551369404929, 999994706325766143200272120949628551369437275, 999994706325766143200272120949628551369501967, -999994706325766143200272120949628551369512749, 999994706325766143200272120949628551369642133, -999994706325766143200272120949628551369652915, -999994706325766143200272120949628551369717607, 999994706325766143200272120949628551369749953, 999994706325766143200272120949628551369771517, -999994706325766143200272120949628551369803863, -999994706325766143200272120949628551369825427, 999994706325766143200272120949628551369836209
n = 47 1813.41
Click here to toggle the visibility of this solution
10808892438412811403913093450274252717429882880, 12883474994843944044769275879232749159123505291, -12883474994843944044769275879232749159123505292, -12883474994843944044769275879232749159123505293, 12883474994843944044769275879232749159123505296, 12883474994843944044769275879232749159123505297, -12883474994843944044769275879232749159123505301, -12883474994843944044769275879232749159123505303, 12883474994843944044769275879232749159123505307, 12883474994843944044769275879232749159123505308, -12883474994843944044769275879232749159123505311, -12883474994843944044769275879232749159123505312, 12883474994843944044769275879232749159123505313, 86471139507302491231304747602194021739439062545, -86471139507302491231304747602194021739439062556, -86471139507302491231304747602194021739439062699, -86471139507302491231304747602194021739439062710, 86471139507302491231304747602194021739439062721, 86471139507302491231304747602194021739439062776, 86471139507302491231304747602194021739439062809, 86471139507302491231304747602194021739439062875, 86471139507302491231304747602194021739439063029, -86471139507302491231304747602194021739439063051, -86471139507302491231304747602194021739439063205, -86471139507302491231304747602194021739439063271, -86471139507302491231304747602194021739439063304, -86471139507302491231304747602194021739439063359, 86471139507302491231304747602194021739439063370, 86471139507302491231304747602194021739439063381, 86471139507302491231304747602194021739439063524, -86471139507302491231304747602194021739439063535, 99968316551215838315585010080745734031010213777, -99968316551215838315585010080745734031010213784, -99968316551215838315585010080745734031010213791, 99968316551215838315585010080745734031010213805, 99968316551215838315585010080745734031010213840, -99968316551215838315585010080745734031010213854, -99968316551215838315585010080745734031010213917, 99968316551215838315585010080745734031010213938, 99968316551215838315585010080745734031010213966, -99968316551215838315585010080745734031010213987, -99968316551215838315585010080745734031010214050, 99968316551215838315585010080745734031010214064, 99968316551215838315585010080745734031010214099, -99968316551215838315585010080745734031010214113, -99968316551215838315585010080745734031010214120, 99968316551215838315585010080745734031010214127
n = 49 1989.41
Click here to toggle the visibility of this solution
1049027054138880512577840187545378925241318768640, 1158272313689841878172077493361166244788293035669, -1158272313689841878172077493361166244788293035670, -1158272313689841878172077493361166244788293035672, 1158272313689841878172077493361166244788293035675, 1158272313689841878172077493361166244788293035677, -1158272313689841878172077493361166244788293035680, -1158272313689841878172077493361166244788293035686, 1158272313689841878172077493361166244788293035687, -1158272313689841878172077493361166244788293035699, 1158272313689841878172077493361166244788293035700, 1158272313689841878172077493361166244788293035706, -1158272313689841878172077493361166244788293035709, -1158272313689841878172077493361166244788293035711, 1158272313689841878172077493361166244788293035714, 1158272313689841878172077493361166244788293035716, -1158272313689841878172077493361166244788293035717, 1317767859720906797466253760261359059935170067931, -1317767859720906797466253760261359059935170067932, -1317767859720906797466253760261359059935170067933, 1317767859720906797466253760261359059935170067936, 1317767859720906797466253760261359059935170067937, -1317767859720906797466253760261359059935170067941, -1317767859720906797466253760261359059935170067943, 1317767859720906797466253760261359059935170067947, 1317767859720906797466253760261359059935170067948, -1317767859720906797466253760261359059935170067951, -1317767859720906797466253760261359059935170067952, 1317767859720906797466253760261359059935170067953, 8392216433111044100622721500363031401930550148368, -8392216433111044100622721500363031401930550148384, 8392216433111044100622721500363031401930550148432, -8392216433111044100622721500363031401930550148448, -8392216433111044100622721500363031401930550148464, 8392216433111044100622721500363031401930550148480, -8392216433111044100622721500363031401930550148576, 8392216433111044100622721500363031401930550148688, 8392216433111044100622721500363031401930550148784, 8392216433111044100622721500363031401930550148880, -8392216433111044100622721500363031401930550149360, -8392216433111044100622721500363031401930550149456, -8392216433111044100622721500363031401930550149552, 8392216433111044100622721500363031401930550149664, -8392216433111044100622721500363031401930550149760, 8392216433111044100622721500363031401930550149776, 8392216433111044100622721500363031401930550149792, -8392216433111044100622721500363031401930550149808, 8392216433111044100622721500363031401930550149856, -8392216433111044100622721500363031401930550149872
n = 51 2168.69
Click here to toggle the visibility of this solution
100449692612645456428882166529855467698617707397120, 803597540901163651431057332238843741588941659175925, -803597540901163651431057332238843741588941659175948, -803597540901163651431057332238843741588941659176247, -803597540901163651431057332238843741588941659176270, 803597540901163651431057332238843741588941659176293, 803597540901163651431057332238843741588941659176408, 803597540901163651431057332238843741588941659176477, 803597540901163651431057332238843741588941659176615, 803597540901163651431057332238843741588941659176937, -803597540901163651431057332238843741588941659176983, -803597540901163651431057332238843741588941659177305, -803597540901163651431057332238843741588941659177443, -803597540901163651431057332238843741588941659177512, -803597540901163651431057332238843741588941659177627, 803597540901163651431057332238843741588941659177650, 803597540901163651431057332238843741588941659177673, 803597540901163651431057332238843741588941659177972, -803597540901163651431057332238843741588941659177995, -981275707714858960920100580688978690912123036280313, 981275707714858960920100580688978690912123036280320, 981275707714858960920100580688978690912123036280327, -981275707714858960920100580688978690912123036280341, -981275707714858960920100580688978690912123036280376, 981275707714858960920100580688978690912123036280390, 981275707714858960920100580688978690912123036280453, -981275707714858960920100580688978690912123036280474, -981275707714858960920100580688978690912123036280502, 981275707714858960920100580688978690912123036280523, 981275707714858960920100580688978690912123036280586, -981275707714858960920100580688978690912123036280600, -981275707714858960920100580688978690912123036280635, 981275707714858960920100580688978690912123036280649, 981275707714858960920100580688978690912123036280656, -981275707714858960920100580688978690912123036280663, -998049245869670842235355323605450293824187032598356, 998049245869670842235355323605450293824187032598368, 998049245869670842235355323605450293824187032598392, -998049245869670842235355323605450293824187032598428, -998049245869670842235355323605450293824187032598452, 998049245869670842235355323605450293824187032598488, 998049245869670842235355323605450293824187032598560, -998049245869670842235355323605450293824187032598572, 998049245869670842235355323605450293824187032598716, -998049245869670842235355323605450293824187032598728, -998049245869670842235355323605450293824187032598800, 998049245869670842235355323605450293824187032598836, 998049245869670842235355323605450293824187032598860, -998049245869670842235355323605450293824187032598896, -998049245869670842235355323605450293824187032598920, 998049245869670842235355323605450293824187032598932
n = 53 2360.37
Click here to toggle the visibility of this solution
10166570764683093424754382617582643755481580752076800, 81332566117464747398035060940661150043852646016612755, -81332566117464747398035060940661150043852646016612790, 81332566117464747398035060940661150043852646016612895, -81332566117464747398035060940661150043852646016612930, -81332566117464747398035060940661150043852646016612965, 81332566117464747398035060940661150043852646016613000, -81332566117464747398035060940661150043852646016613210, 81332566117464747398035060940661150043852646016613455, 81332566117464747398035060940661150043852646016613665, 81332566117464747398035060940661150043852646016613875, -81332566117464747398035060940661150043852646016614925, -81332566117464747398035060940661150043852646016615135, -81332566117464747398035060940661150043852646016615345, 81332566117464747398035060940661150043852646016615590, -81332566117464747398035060940661150043852646016615800, 81332566117464747398035060940661150043852646016615835, 81332566117464747398035060940661150043852646016615870, -81332566117464747398035060940661150043852646016615905, 81332566117464747398035060940661150043852646016616010, -81332566117464747398035060940661150043852646016616045, 98964784163964077334833646919549347724933400986573678, -98964784163964077334833646919549347724933400986573688, -98964784163964077334833646919549347724933400986573698, 98964784163964077334833646919549347724933400986573718, 98964784163964077334833646919549347724933400986573768, -98964784163964077334833646919549347724933400986573788, -98964784163964077334833646919549347724933400986573878, 98964784163964077334833646919549347724933400986573908, 98964784163964077334833646919549347724933400986573948, -98964784163964077334833646919549347724933400986573978, -98964784163964077334833646919549347724933400986574068, 98964784163964077334833646919549347724933400986574088, 98964784163964077334833646919549347724933400986574138, -98964784163964077334833646919549347724933400986574158, -98964784163964077334833646919549347724933400986574168, 98964784163964077334833646919549347724933400986574178, -99453707798488325557206299800074478145610032081505370, 99453707798488325557206299800074478145610032081505390, 99453707798488325557206299800074478145610032081505430, -99453707798488325557206299800074478145610032081505490, -99453707798488325557206299800074478145610032081505530, 99453707798488325557206299800074478145610032081505590, 99453707798488325557206299800074478145610032081505710, -99453707798488325557206299800074478145610032081505730, 99453707798488325557206299800074478145610032081505970, -99453707798488325557206299800074478145610032081505990, -99453707798488325557206299800074478145610032081506110, 99453707798488325557206299800074478145610032081506170, 99453707798488325557206299800074478145610032081506210, -99453707798488325557206299800074478145610032081506270, -99453707798488325557206299800074478145610032081506310, 99453707798488325557206299800074478145610032081506330
n = 55 2556.94
Click here to toggle the visibility of this solution
1001391176162114757375611948062674018350763397123648990, -1001391176162114757375611948062674018350763397123648998, -1001391176162114757375611948062674018350763397123649007, 1001391176162114757375611948062674018350763397123649015, 1001391176162114757375611948280503951562759345353148368, -1001391176162114757375611948280503951562759345353148376, -1001391176162114757375611948280503951562759345353148385, 1001391176162114757375611948280503951562759345353148393, -1068541250977879565233353761950893636354421036341557683, 1068541250977879565233353761950893636354421036341557689, 1068541250977879565233353761950893636354421036341557693, -1068541250977879565233353761950893636354421036341557711, -1068541250977879565233353761950893636354421036341557715, 1068541250977879565233353761950893636354421036341557739, 1068541250977879565233353761950893636354421036341557751, -1068541250977879565233353761950893636354421036341557773, -1068541250977879565233353761950893636354421036341557791, 1068541250977879565233353761950893636354421036341557813, 1068541250977879565233353761950893636354421036341557815, -1068541250977879565233353761950893636354421036341557829, -1068541250977879565233353761950893636354421036341557849, 1068541250977879565233353761950893636354421036341557851, -1087001152396939798805452328003182427756578226348926090, -1087001152396939798805452328003182427756578226348926094, 1089925360744420638169764972506944842621297116864225152, -1089925360744420638169764972506944842621297116864225187, -1089925360744420638169764972506944842621297116864225227, 1089925360744420638169764972506944842621297116864225297, 1089925360744420638169764972506944842621297116864225487, -1089925360744420638169764972506944842621297116864225592, -1089925360744420638169764972506944842621297116864225672, 1089925360744420638169764972506944842621297116864225777, 1089925360744420638169764972506944842621297116864225967, -1089925360744420638169764972506944842621297116864226037, -1089925360744420638169764972506944842621297116864226077, 1089925360744420638169764972506944842621297116864226112, 1100786962328080022831286844706814960714956249007747630, -1243576694307819840538289944932562630860539892372983796, 1243576694307819840538289944932562630860539892372983895, 1243576694307819840538289944932562630860539892372983976, -1243576694307819840538289944932562630860539892372984156, -1243576694307819840538289944932562630860539892372984614, 1243576694307819840538289944932562630860539892372984776, 1243576694307819840538289944932562630860539892372985234, -1243576694307819840538289944932562630860539892372985414, -1243576694307819840538289944932562630860539892372985495, 1243576694307819840538289944932562630860539892372985594, -1812252386804730619891642402142196747032407962731459831, 1812252386804730619891642402142196747032407962731459992, 1812252386804730619891642402142196747032407962731460479, -1812252386804730619891642402142196747032407962731460703, -1812252386804730619891642402142196747032407962731463952, 1812252386804730619891642402142196747032407962731464176, 1812252386804730619891642402142196747032407962731464663, -1812252386804730619891642402142196747032407962731464824

Click here to show (or hide) the best improvements received after the contest ended.
No noteworthy solutions have been received since the contest ended.