id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A126670
[ 3, 5, 7, 27, 31, 150, 78, 504, 579, 1058 ]
[ "dead" ]
A170656
[ 1, 23, 506, 11132, 244904, 5387888, 118533536, 2607737792, 57370231424, 1262145091328, 27767192009216, 610878224202752, 13439320932460544, 295665060514132000, 6504631331310903000, 143101889288839870000 ]
[ "nonn" ]
A062284
[ 3, 11, 17, 23, 29, 47, 53, 59, 89, 101, 107, 113, 131, 149, 173, 179, 191, 227, 233, 257, 263, 281, 317, 347, 359, 383, 389, 449, 491, 521, 557, 563, 569, 593, 641, 659, 677, 683, 701, 719, 761, 773, 809, 827, 857, 887, 941, 947, 971, 983, 1013, 1019, 1103 ]
[ "nonn", "easy" ]
A075166
[ 0, 10, 1010, 1100, 101010, 101100, 10101010, 110100, 110010, 10101100, 1010101010, 10110100, 101010101010, 1010101100, 10110010, 111000, 10101010101010, 11001100, 1010101010101010, 1010110100, 1010110010 ]
[ "nonn", "nice", "base" ]
A046473
[ 2, 151, 757, 93739, 7949497, 112969211, 3195269530359625700 ]
[ "nonn", "hard", "base", "more" ]
A220040
[ 20, 50, 848, 8337, 74547, 595862, 4640546, 35547836, 263385608, 1857934074, 12439748110, 79439449660, 486913051008, 2878634626483, 16468443715880, 91373937997461, 492567100876598, 2583758599155915, 13206265883717876 ]
[ "nonn" ]
A089671
[ 0, 8, 539, 16632, 364042, 6510160, 101817234, 1447146512, 19144522160, 239513659776, 2865559784050, 33052451375152, 369790434398988, 4031805422883680, 42996629236138930, 449821323139340160, 4627609615665499000, 46907404618252665000, 469254490696475100000 ]
[ "nonn" ]
A121774
[ 1, 1, 2, 6, 33, 260, 2812, 37450, 597965, 11111134, 235796238, 5628851294, 149346730841, 4361070182716, 139013934267864, 4803839602537336, 178901440745010270, 7143501829211427000, 304465936544543900000, 1.3797052631578948e+22, 6.62424832016591e+23, 3.3591880889828764e+25 ]
[ "nonn" ]
A032448
[ 3, 2, 19, 13, 43, 103, 67, 37, 137, 173, 61, 73, 163, 257, 281, 211, 353, 487, 401, 283, 1021, 157, 331, 1423, 193, 1009, 617, 641, 653, 677, 761, 523, 547, 277, 1489, 1811, 313, 977, 1669, 691, 1789, 1447, 4201, 1543, 787, 397, 421, 1783, 907, 457 ]
[ "nonn" ]
A160603
[ 1, 9, 49, 619, 737, 35111, 305917, 1930753, 14779003, 46162429, 139399997, 92993347501, 606843495583, 5559358281401, 240588034396789, 660664176177209, 682418523335551, 471285453584720640, 732894385728160400 ]
[ "nonn", "frac" ]
A103095
[ 1, 3, 4, 15, 153, 322, 471, 561, 664, 2157, 3697, 14875, 19270, 22095 ]
[ "more", "nonn" ]
A137470
[ 1, 1, -1, 3, -1, -1, 7, -9, 7, 7, -25, 39, -25, -25, 103, -153, 103, 103, -409, 615, -409, -409, 1639, -2457, 1639, 1639, -6553, 9831, -6553, -6553, 26215, -39321, 26215, 26215, -104857, 157287, -104857, -104857, 419431 ]
[ "sign", "easy" ]
A302913
[ 1, 8, 184, 8280, 612720, 67399200, 10312077600, 2093351752800, 544271455728000, 176343951655872000, 69655860904069440000, 3.2947222207624846e+22, 1.8384549991854664e+25, 1.1949957494705531e+28, 8.950518163534443e+30 ]
[ "nonn" ]
A291740
[ 1, 2, 3, 7, 9, 18, 25, 47, 65, 118, 165, 290, 408, 702, 992, 1677, 2379, 3966, 5643, 9300, 13266, 21654, 30954, 50116, 71770, 115388, 165504, 264475, 379863, 603792, 868267, 1373621, 1977413, 3115222, 4488843, 7045205, 10160427, 15892794, 22937999, 35769390 ]
[ "nonn", "easy" ]
A263881
[ 1, 2, 3, 6, 7, 10, 11 ]
[ "nonn", "fini", "full" ]
A358636
[ 1, 1, 1, 2, 2, 3, 3, 4, 5, 6, 6, 7, 9, 9, 10, 9, 12, 11, 12, 12, 15, 14, 15, 14, 17, 16, 17, 17, 21, 19, 21, 20, 25, 22, 25, 24, 28, 27, 27, 26, 29, 29, 28, 31, 32, 30, 31, 32, 33, 35, 34, 34, 37, 37, 34, 37, 38, 39, 37, 41, 37, 44, 38, 40, 41, 44, 38, 47, 43, 46, 43, 50 ]
[ "nonn" ]
A252663
[ 1, 7, 9, 11, 15, 33, 77, 93, 107, 117, 143, 149, 177, 209, 221 ]
[ "nonn", "more", "hard" ]
A247824
[ 1, 5, 5, 5, 2, 2, 38, 16, 40, 12, 13, 1, 11, 1, 11, 4, 35, 38, 35, 35, 38, 35, 35, 36, 31, 31, 33, 33, 36, 36, 25, 25, 2, 25, 4, 3, 4, 6, 6, 8, 222, 8, 95, 223, 99, 98, 95, 88, 222, 94, 93, 94, 95, 92, 226, 88, 83, 92, 225, 92 ]
[ "nonn" ]
A099413
[ 0, 1, 2, 4, 10, 20, 26, 722, 1310, 3170, 28934, 66284, 67796, 231254, 338476 ]
[ "nonn", "hard", "more" ]
A360872
[ 1, 1, 1, 1, 3, 2, 1, 2, 5, 2, 1, 1, 1, 2, 1, 1, 3, 1, 2, 1, 1, 1, 5, 3, 1, 4, 2, 1, 2, 4, 1, 3, 5, 1, 1, 1, 2, 1, 3, 1, 1, 2, 2, 1, 2, 1, 2, 2, 1, 4, 1, 3, 1, 1, 3, 2, 3, 5, 3, 2, 3, 1, 1, 3, 1, 4, 1, 2, 2, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 8, 1, 1, 1, 1, 1, 2, 4 ]
[ "nonn", "tabf" ]
A102060
[ 1, 1, 5, 5, 1865, -111575, 15280525, -2577345875, 591476692625, -172699076899375, 62926850998383130, -27954459594642936000, 1.487875314615333e+22, -9.34723353730142e+24 ]
[ "sign" ]
A047727
[ 1, 56, 60, 96, 132, 184, 204, 248, 276, 348, 376, 480, 492, 504, 564, 568, 612, 632, 636, 672, 708, 824, 852, 864, 996, 1016, 1056, 1068, 1208, 1212, 1248, 1284, 1336, 1356, 1520, 1528, 1572, 1592, 1632, 1644, 1656, 1784, 1788, 1824, 1908, 1912, 1980 ]
[ "nonn" ]
A247267
[ 1, 4, 9, 49, 64, 81, 225, 625, 1225, 2025, 3025, 4225, 5625, 7225, 9025, 15625, 27225, 30625, 34225, 42025, 50625, 60025, 70225, 75625, 81225, 93025, 105625, 275625, 330625, 600625, 893025, 950625, 970225, 1050625, 2030625, 3330625, 4950625, 9455625, 9765625, 15405625 ]
[ "nonn", "base" ]
A017899
[ 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 8, 11, 15, 20, 26, 34, 45, 60, 80, 106, 140, 185, 245, 325, 431, 571, 756, 1001, 1326, 1757, 2328, 3084, 4085, 5411, 7168, 9496, 12580, 16665, 22076, 29244, 38740, 51320, 67985, 90061, 119305, 158045, 209365, 277350 ]
[ "nonn", "easy" ]
A323101
[ 2, 4, 6, 14, 16, 32, 40, 74, 110, 134, 252, 280, 306, 356, 410, 692, 760, 1220, 1286, 1742, 2060, 2514, 3632, 7104, 7376, 10220, 10980, 18914, 20472, 20676, 22456, 24122, 40834, 42110, 44182, 44814, 45852, 60030, 67826, 68360, 87434, 94386, 158774, 180520 ]
[ "nonn", "hard" ]
A083794
[ 1, 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 36, 37, 38, 40, 41, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 77, 78, 79, 80, 81, 82 ]
[ "nonn" ]
A261237
[ 1, 1, 2, 5, 13, 34, 92, 251, 687, 1885, 5184, 14292, 39557, 110094, 308351, 868716, 2458964, 6984467, 19890809, 56775186, 162427605, 465816503, 1339163192, 3858600035, 11138726760, 32199805820 ]
[ "nonn", "base" ]
A228574
[ 0, 1, 0, 1, 0, 16, 0, 1, 0, 1, 0, 6561, 0, 0, 0, 0, 0, 0, 0, 6561, 0, 456976, 0, 65536, 0, 84934656, 0, 12745506816, 0, 335563778560000, 0, 1105346784523536, 0, 441194850625, 0, 986262467993856, 0, 80385880645971210000, 0, 6387622009837971000 ]
[ "nonn" ]
A300988
[ 1, 1, 3, 43, 1369, 69561, 4991371, 471516403, 56029153713, 8112993527089, 1398528216254611, 281935928284459140, 65543089930613826000, 1.73731856291001e+22, 5.201713100466658e+24, 1.7454705581502605e+27, 6.52016607740827e+29, 2.6955830637153526e+32, 1.2270706435199888e+35, 6.1225312946191235e+37 ]
[ "nonn" ]
A332249
[ 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 6, 6, 7, 7, 8, 8, 9, 9, 8, 8, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 15, 15, 16, 16, 17, 17, 18, 18, 19 ]
[ "nonn", "base" ]
A112179
[ 1, 2, 1, 2, 4, 6, 9, 8, 13, 20, 22, 28, 34, 46, 57, 68, 87, 104, 127, 152, 187, 232, 267, 318, 388, 462, 545, 632, 753, 896, 1043, 1216, 1416, 1664, 1928, 2228, 2597, 2996, 3454, 3976, 4585, 5286, 6031, 6900, 7918, 9060, 10325, 11720, 13372, 15228 ]
[ "nonn" ]
A085937
[ 1, 2, 191, 212, 373, 535, 575, 737, 838, 10901, 15251, 20102, 24642, 25352, 30703, 39893, 42624, 50305, 50705, 51215, 52325, 70307, 80308, 93839, 1009001, 1052501, 1502051 ]
[ "base", "easy", "nonn" ]
A074899
[ 1, 3, 6, 12, 19, 21, 28, 36, 51, 54, 55, 63, 66, 82, 87, 91, 99, 102, 109, 132, 147, 153, 165, 168, 171, 208, 252, 307, 309, 351, 352, 379, 381, 417, 423, 451, 501, 505, 507, 523, 534, 564, 577, 582, 591, 594, 595, 604, 613, 627, 631, 645, 649, 654, 666, 672, 694, 753, 766, 771 ]
[ "base", "nonn" ]
A112844
[ 1, 2, 5, 13, 34, 89, 89, 193, 185, 410, 482, 1444, 2018, 6362, 8461, 19885, 22861, 51125, 59792, 146749, 195749, 529114, 730465, 1907545, 2350177, 5638489, 6692337, 16167545, 20091490, 51762100, 67753160, 178151440, 229118152 ]
[ "easy", "nonn" ]
A375396
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71 ]
[ "nonn" ]
A252023
[ 1, 2, 3, 4, 5, 7, 9, 15, 21, 6, 8, 10, 11, 12, 13, 17, 19, 23, 41, 14, 16, 18, 25, 26, 27, 29, 34, 43, 50, 20, 24, 28, 30, 31, 32, 36, 45, 53, 58, 22, 33, 35, 37, 38, 39, 47, 56, 60, 90, 40, 44, 46, 48, 62, 64, 74, 80, 92, 105, 42, 54, 66, 68, 76, 78, 82, 94 ]
[ "nonn", "look" ]
A085240
[ 2, 1, 5, 7, 3, 10, 4, 12, 15, 6, 18, 8, 20, 23, 9, 25, 28, 11, 31, 13, 33, 36, 14, 38, 16, 41, 43, 17, 46, 49, 19, 51, 21, 54, 56, 22, 59, 24, 62, 64, 26, 67, 27, 69, 72, 29, 74, 77, 30, 80, 32, 82, 85, 34, 87, 35, 90, 93, 37, 95, 98, 39, 100, 40, 103, 105, 42, 108 ]
[ "nonn" ]
A249052
[ 205, 221, 305, 377, 505, 545, 689, 725, 745, 793, 905, 1205, 1345, 1405, 1469, 1513, 1517, 1537, 1717, 1885, 1945, 1961, 2005, 2041, 2045, 2105, 2225, 2245, 2329, 2353, 2525, 2533, 2669, 2701, 2845, 2993, 3005, 3205, 3305, 3497, 3505, 3737, 3757, 3805, 3893, 3965, 4069, 4105, 4145, 4205, 4321, 4369 ]
[ "nonn" ]
A157750
[ 5, 11, 13, 19, 29, 41, 43, 71, 103, 151, 181, 229, 239, 349, 419, 461, 463, 491, 571, 859, 1069, 1429, 1483, 1583, 1721, 2549, 2969, 3079, 3191, 3319, 3331, 4003, 7177, 7193, 7309, 7873, 8009, 8161, 8849, 9127, 9283, 10729, 11779, 13567, 13693, 15809, 15959 ]
[ "nonn" ]
A011869
[ 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 8, 9, 11, 13, 15, 17, 19, 21, 23, 26, 28, 31, 34, 37, 40, 43, 47, 50, 54, 58, 62, 66, 70, 74, 78, 83, 87, 92, 97, 102, 107, 112, 118, 123, 129, 135, 141, 147, 153, 159, 165, 172, 178, 185, 192, 199, 206, 213, 221, 228, 236, 244, 252, 260 ]
[ "nonn" ]
A244182
[ 49, 189, 812, 3832, 19611, 107818, 631917, 3920234, 25559691, 173884143, 1225577275, 8889979382, 65971409679, 498317038285, 3815480847788, 29515868843207, 230098500219893, 1804162547508522, 14206951882147476 ]
[ "nonn" ]
A250259
[ 1, 1, 1, 2, 3, 4, 19, 78, 217, 496, 3961, 25442, 105963, 349504, 3908059, 34227438, 190065457, 819786496, 11785687921, 130746521282, 907546301523, 4835447317504, 84965187064099, 1141012634368398, 9504085749177096, 60283564499562500, 1251854782837500000 ]
[ "nonn" ]
A337995
[ 1, 0, 2, 0, 3, 15, 0, 6, 30, 84, 0, 2, 10, 28, 60, 0, 12, 60, 168, 360, 660, 0, 3, 15, 42, 90, 165, 273, 0, 2, 10, 28, 60, 110, 182, 280, 0, 6, 30, 84, 180, 330, 546, 840, 1224, 0, 12, 60, 168, 360, 660, 1092, 1680, 2448, 3420, 0, 2, 10, 28, 60, 110, 182, 280, 408, 570, 770 ]
[ "nonn", "tabl" ]
A369385
[ 1, 4, 10, 22, 34, 60, 118, 112, 142, 198, 270, 298, 280, 364, 508, 460, 588, 490, 580, 658, 858, 670, 700, 994, 880, 1240, 1078, 1288, 910, 1120, 1428, 1510, 1300, 1330, 1930, 1960, 1750, 1540, 2128, 2170, 2140, 2470, 2560, 2380, 2590, 2770, 2728, 3838, 2968, 4000 ]
[ "nonn" ]
A350336
[ 1, 3, 56, 7504, 6832640, 42780151808, 1836366011301888, 540795841280638700000, 1.092417949346109e+27, 1.5137179876232767e+34, 1.4387872063467138e+42, 9.380911112779553e+50 ]
[ "nonn", "hard" ]
A080060
[ 3, 6, 9, 13, 17, 23, 29, 36, 43, 50, 59, 60, 79, 90, 101, 112, 123, 138 ]
[ "dead" ]
A320249
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 33, 34, 36, 37, 38, 39, 41, 42, 44, 46, 47, 49, 50, 51, 52, 54, 55, 56, 57, 59, 60, 61, 62, 64, 65, 67, 68, 69, 72, 73, 74, 77, 78, 79, 82, 83, 84, 86, 87, 88, 91, 92, 95, 96 ]
[ "nonn", "fini" ]
A366749
[ 0, -1, 2, -2, -3, 1, 4, -3, 4, -4, -5, 0, 6, 3, -1, -4, -7, 3, 8, -5, 6, -6, -9, -1, -6, 5, 6, 2, 10, -2, -11, -5, -3, -8, 1, 2, 12, 7, 8, -6, -13, 5, 14, -7, 1, -10, -15, -2, 8, -7, -5, 4, 16, 5, -8, 1, 10, 9, -17, -3, 18, -12, 8, -6, 3, -4, -19, -9, -7, 0 ]
[ "sign" ]
A335923
[ 0, 1, 2, 4, 6, 9, 3, 7, 11, 16, 21, 10, 16, 23, 30, 15, 23, 32, 14, 24, 34, 13, 24, 36, 12, 25, 38, 52, 66, 37, 52, 68, 84, 51, 17, 35, 53, 72, 91, 111, 71, 92, 50, 72, 28, 51, 5, 29, 53, 78, 103, 129, 77, 104, 131, 76, 20, 49, 78, 19, 49, 80, 18, 50, 82, 115 ]
[ "nonn" ]
A202335
[ 16, 25, 25, 36, 48, 36, 49, 82, 82, 49, 64, 129, 162, 129, 64, 81, 191, 289, 289, 191, 81, 100, 270, 478, 576, 478, 270, 100, 121, 368, 746, 1052, 1052, 746, 368, 121, 144, 487, 1112, 1796, 2102, 1796, 1112, 487, 144, 169, 629, 1597, 2906, 3896, 3896, 2906, 1597 ]
[ "nonn", "tabl" ]
A079115
[ 1, 1, 2, 1, 1, 1, 3, 3, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 3, 5, 1, 3, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 3, 3, 1, 1, 4, 5, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 3, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 3, 2, 1, 1, 1, 3, 3, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 1, 4, 3, 2, 1, 1, 1, 2, 1, 1 ]
[ "nonn" ]
A077426
[ 5, 13, 17, 29, 37, 41, 53, 61, 65, 73, 85, 89, 97, 101, 109, 113, 125, 137, 145, 149, 157, 173, 181, 185, 193, 197, 229, 233, 241, 257, 265, 269, 277, 281, 293, 313, 317, 325, 337, 349, 353, 365, 373, 389, 397, 401, 409, 421, 425, 433, 445, 449, 457, 461, 481, 485 ]
[ "nonn", "easy" ]
A020700
[ 7, 14, 63, 80, 224, 285, 351, 363, 475, 860, 902, 1088, 1479, 2013, 2023, 3478, 3689, 3925, 5984, 6715, 8493, 9456, 13224, 15520, 17227, 18569, 19502, 20490, 21804, 24435, 24476, 27335, 31899, 32390, 35815, 37406, 37582, 41876, 49468, 50609, 54137, 57239 ]
[ "easy", "nonn" ]
A191234
[ 2, 2, 4, 4, 8, 6, 12, 8, 12, 10, 16, 8, 12, 10, 16, 14, 20, 12, 18, 12, 20, 18, 26, 14, 20, 8, 12, 8, 12, 6, 10, 4, 6, 2, 4, 2, 4 ]
[ "nonn", "fini", "full" ]
A318701
[ 1, 4, 10, 35, 165, 286, 969, 1771, 2925, 3654, 4495, 9139, 12341, 16215, 23426, 32509, 39711, 47905, 52394, 67525, 79079, 91881, 105995, 129766, 138415, 156849, 176851, 209934, 221815, 246905, 273819, 302621, 366145, 383306, 437989, 477191, 540274, 562475, 657359, 708561, 762355, 848046, 939929, 1004731 ]
[ "nonn" ]
A252592
[ 2, 8, 18, 38, 88, 115, 204, 308, 375, 533, 848, 693, 1405, 1377, 1627, 2116, 3121, 2419, 4238, 4107, 4295, 5057, 7566, 5516, 9440, 8950, 9727, 10089, 14899, 10000, 18489, 16697, 16746, 19256, 23227, 18838, 30743, 27154, 26678, 30127, 41768, 26507, 48507, 40203, 41227 ]
[ "nonn" ]
A279175
[ 1, 1, 5, 7, 16, 23, 84, 125, 257, 381, 1349, 2007, 4112, 6103, 21572, 32085, 65793, 97661, 345157, 513367, 1052672, 1562623, 5526528, 8224255, 16843008, 25001343, 88425536, 131585375, 269488128, 400021503, 1413760000, 2102744575, 4311810048, 6400344063 ]
[ "nonn", "easy" ]
A299918
[ 1, 1, 2, 4, 1, 5, 3, 7, 3, 3, 4, 6, 7, 3, 2, 4, 3, 3, 6, 4, 3, 7, 7, 7, 5, 5, 4, 2, 1, 5, 3, 7, 3, 3, 6, 4, 3, 7, 1, 5, 1, 1, 4, 2, 5, 1, 4, 6, 5, 5, 2, 4, 5, 1, 1, 1, 3, 3, 4, 6, 7, 3, 2, 4, 3, 3, 6, 4, 3, 7, 1, 5, 1, 1, 4, 2, 5, 1, 6, 4, 1, 1, 2, 4, 1 ]
[ "nonn", "hear" ]
A327293
[ 1, 2, 5, 10, 20, 36, 65, 110, 185, 300, 481, 795, 1250, 1982, 3087, 4798, 7332, 11191, 16821, 25196, 37308, 54951, 80131, 117346, 169306, 244417, 349967, 500258, 709715, 1005550, 1414751, 1986544, 2773496, 3861747, 5349095, 7389698, 10178856, 13964050, 19102030 ]
[ "nonn" ]
A214274
[ 0, 2, 1, 8, 12, 23, 56, 95, 186, 349, 649, 1181, 2168, 3932, 7045, 12741, 22716, 40528, 72086, 127802, 226191, 399378, 704011, 1238513, 2176306, 3817950, 6689530, 11707266, 20465195, 35738757, 62350777, 108682236, 189279785, 329390352, 572788101, 995343179 ]
[ "nonn" ]
A363894
[ 1, 2, 1, 8, 2, 3, 1, 5, 8, 4, 2, 18, 3, 33, 1, 19, 5, 6, 8, 20, 4, 7, 2, 39, 18, 14, 3, 32, 33, 25, 1, 29, 19, 58, 5, 42, 6, 75, 8, 91, 20, 34, 4, 108, 7, 13, 2, 17, 39, 164, 18, 58, 14, 83, 3, 47, 32, 16, 33, 66, 25, 167, 1, 365, 29, 18, 19, 56, 58, 19, 5 ]
[ "nonn" ]
A351775
[ 2, 3, 10, 1134, 1779741927370, 1.842006147148512e+61 ]
[ "nonn" ]
A314664
[ 1, 5, 9, 13, 16, 24, 28, 34, 39, 40, 45, 50, 58, 62, 67, 69, 72, 81, 84, 92, 94, 95, 102, 108, 115, 118, 123, 122, 129, 140, 142, 149, 148, 149, 157, 167, 174, 176, 178, 174, 185, 197, 201, 208, 204, 202, 211, 225, 231, 235 ]
[ "nonn" ]
A313747
[ 1, 5, 10, 15, 20, 26, 31, 36, 42, 47, 52, 57, 62, 67, 72, 77, 82, 88, 93, 98, 104, 109, 114, 119, 124, 129, 134, 139, 144, 150, 155, 160, 166, 171, 176, 181, 186, 191, 196, 201, 206, 212, 217, 222, 228, 233, 238, 243, 248, 253 ]
[ "nonn" ]
A208980
[ 4, 9, 10, 14, 16, 18, 22, 25, 26, 28, 30, 34, 36, 40, 46, 48, 49, 54, 55, 56, 62, 63, 65, 66, 68, 74, 75, 76, 80, 81, 84, 88, 90, 94, 96, 100, 104, 105, 114, 115, 116, 119, 120, 121, 126, 132, 135, 138, 142, 144, 153, 154, 155, 156, 160, 162, 166, 168, 170, 174, 178, 182, 183, 184, 185, 190, 192, 196, 198, 202, 204 ]
[ "nonn" ]
A382410
[ 6, 0, 30, 84, 546, 2310, 10710, 46284, 201066, 860700, 3676470, 15642594, 66461766, 282027720, 1196023110, 5069852964, 21485317146, 91036824270, 385700191830, 1634014069044, 6922219243506, 29324101445100, 124221795865230, 526219583239434, 2229121859293446, 9442763903572560 ]
[ "nonn", "easy" ]
A363743
[ 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11 ]
[ "nonn" ]
A045699
[ 12, 17, 31, 33, 36, 52, 57, 76, 129, 134, 148, 150, 174, 177, 196, 246, 294, 297, 316, 347, 352, 368, 369, 388, 392, 414, 464, 486, 512, 537, 556, 632, 654, 704, 849, 868, 872, 966, 969, 988, 1086, 1184, 1304, 1335, 1340, 1356, 1377, 1380, 1396, 1452 ]
[ "nonn", "nice" ]
A024105
[ 1, 8, 65, 648, 6305, 58424, 530145, 4780568, 43042625, 387413928, 3486774401, 31381044968, 282429515745, 2541865799768, 22876792416545, 205891132044024, 1853020188786305, 16677181699583048, 150094635296894140 ]
[ "nonn", "easy" ]
A193211
[ 1, 6, 5, 3, 7, 4, 5, 5, 1, 5, 0, 7, 7, 7, 7, 1, 9, 2, 9, 7, 0, 7, 9, 0, 6, 2, 3, 8, 3, 6, 6, 4, 5, 9, 7, 1, 4, 5, 6, 6, 2, 2, 3, 0, 7, 0, 2, 5, 1, 8, 4, 1, 6, 9, 2, 7, 0, 1, 1, 0, 5, 2, 0, 2, 9, 4, 6, 5, 6, 8, 6, 4, 8, 0, 8, 8, 3, 1, 8, 2, 7, 2, 1, 5, 6, 9, 3, 1, 5, 1, 6, 5, 0, 1, 3, 9, 8, 5, 9, 5, 7, 8, 9 ]
[ "nonn", "cons" ]
A359088
[ 51, 111, 327, 1281, 1563 ]
[ "nonn", "hard", "more" ]
A293576
[ 0, 7, 13, 15, 22, 25, 27, 30, 39, 42, 45, 47, 49, 51, 54, 59, 60, 62, 75, 76, 82, 85, 87, 90, 93, 95, 97, 99, 102, 107, 108, 110, 117, 119, 120, 122, 125, 127, 141, 143, 147, 148, 153, 155, 158, 162, 165, 167, 170, 173, 175, 179, 180, 185, 187, 188, 190, 193 ]
[ "nonn", "base" ]
A037115
[ 3, 106, 53, 1856, 928, 464, 232, 116, 58, 29, 1016, 508, 254, 127, 4446, 2223, 77806, 38903, 1361606, 680803, 23828106, 11914053, 416991856, 208495928, 104247964, 52123982, 26061991, 912169686, 456084843 ]
[ "nonn" ]
A365175
[ 1, 1, 10, 189, 5476, 215145, 10701006, 644909503, 45687408712, 3721382812305, 342689189598010, 35206864089944150, 3992473080042706400, 495361299387668000000, 6.675243744711972e+22, 9.708649781691228e+24, 1.515863453268826e+27 ]
[ "nonn" ]
A387457
[ 2772, 13096, 43400, 142680, 413168, 1162304, 3080736, 7966880, 19932352, 48943488, 117719680, 279180160, 652834560, 1510279168, 3458421248, 7853658624, 17697041408, 39614228480, 88136509440, 195043481600, 429506424832, 941650132992, 2056105369600, 4472971829248 ]
[ "nonn" ]
A236483
[ 0, 0, 0, 1, 1, 2, 3, 2, 3, 5, 4, 3, 6, 1, 6, 5, 7, 7, 5, 6, 4, 6, 5, 4, 7, 4, 6, 5, 5, 6, 9, 6, 13, 6, 10, 5, 6, 7, 4, 10, 9, 12, 6, 12, 3, 8, 8, 9, 11, 8, 11, 7, 11, 7, 8, 8, 9, 8, 10, 10, 9, 9, 14, 8, 15, 8, 11, 13, 12, 12, 15, 13, 12, 8, 11, 12, 10, 11, 12, 12, 13, 8, 12, 14, 8, 13, 10, 8, 8, 12, 8, 15, 11, 10, 11, 11, 13, 14, 10, 8 ]
[ "nonn" ]
A324045
[ 1, 0, 0, 1, 0, 2, 0, 2, 5, 0, 0, 0, 0, -2, -4, 6, 0, -6, 0, -8, -8, -6, 0, -4, 7, -8, 17, 12, 0, -16, 0, 13, 17, -12, 15, -3, 0, -14, 19, 6, 0, 6, 0, 8, -12, -18, 0, 4, 9, -1, 23, 6, 0, 0, 36, -8, 25, -24, 0, -32, 0, -26, 33, 29, 40, -10, 0, 2, 29, -34, 0, 12, 0, -32, 37, 0, 40, -18, 0, -24, 12, -36, 0, -4, 48, -38, 35, -36, 0, -30, 44, -4, 37, -42, 52, -16, 0 ]
[ "sign" ]
A375190
[ 1, 7, 7, 4, 7, 3, 2, 7, 6, 6, 4, 4, 2, 1, 1, 1, 6, 6, 2, 8, 5, 6, 8, 3, 1, 9, 6, 1, 1, 6, 8, 9, 7, 5, 8, 4, 6, 1, 0, 5, 3, 7, 6, 3, 8, 2, 1, 2, 3, 0, 5, 1, 0, 6, 9, 5, 5, 2, 5, 8, 2, 9, 4, 3, 1, 5, 7, 3, 0, 0, 4, 9, 5, 8, 2, 6, 1, 6, 6, 9, 5, 0, 0, 1, 7, 7, 9, 5, 9, 9 ]
[ "nonn", "cons", "easy" ]
A320258
[ 1, 1, -3, 10, 81, -4724, 156205, -4406814, 76958273, 3775676248, -698309272899, 72802616429830, -6310377003297455, 435451735391849900, -10028808876450832000, -4.757293711381352e+21, 1.4649551150441405e+24, -3.1006313830957666e+26, 5.517970601343663e+28 ]
[ "sign" ]
A376388
[ 1, 2, 6, 23, 101, 478, 2367, 12088, 63166, 336098, 1814847, 9920360, 54789989, 305289034, 1714103538, 9688492693, 55083466105, 314806198628, 1807505286027, 10421360638793, 60311752073306, 350235881381542, 2040182863190499, 11918253416566762, 69805636091312470 ]
[ "nonn" ]
A268782
[ 0, 5, 72, 1714, 67100, 4725018, 611932378, 148013550916, 67580406047498, 58605374440440750, 97015414668307970000, 3.0760423662100535e+23, 1.8731519021212412e+27, 2.1951627197224264e+31 ]
[ "nonn" ]
A357874
[ 30, 36, 42, 60, 66, 70, 78, 84, 90, 100, 102, 105, 110, 114, 120, 126, 130, 132, 138, 140, 150, 154, 156, 165, 168, 170, 174, 180, 182, 186, 190, 195, 196, 198, 204, 210, 216, 220, 222, 225, 228, 230, 231, 234, 238, 240, 246, 252, 255, 258, 260, 264, 266, 270 ]
[ "nonn" ]
A107175
[ 17, 53, 157, 349, 409, 461, 569, 593, 829, 937, 977, 1381, 1409, 1597, 1721, 1733, 1753, 1777, 1861, 2053, 2089, 2129, 2161, 2269, 2381, 2633, 2729, 2857, 2909, 2957, 3137, 3313, 3449, 3517, 3617, 3821, 3877, 3889, 4021, 4373, 4513, 4637 ]
[ "nonn", "easy" ]
A101846
[ 0, 5, 10175, 56897 ]
[ "nonn", "hard", "more" ]
A158796
[ 85, 3696, 79700, 263166, 283353, 434935, 678277, 950264, 1043678, 1266169, 1321463, 1436753, 2629623, 3568796, 3604676, 3676738, 3713180, 5096401, 5558697, 7162624, 9303565, 9504536, 10988577, 12778681, 13108392, 18730119 ]
[ "nonn" ]
A189692
[ 32, 1024, 10327, 107720, 862652, 7174919, 55423132, 437257670, 3370409239, 26229648516, 202524248054, 1569866749149, 12134837088544, 93944044770612, 726545931663671, 5622258695272390, 43490662494731850, 336493987012953900 ]
[ "nonn" ]
A219770
[ 5, 12, 65, 291, 1229, 4795, 17186, 57060, 177629, 522893, 1463248, 3907906, 9995404, 24562967, 58167281, 133102296, 295046074, 635009083, 1329686297, 2713960089, 5408407498, 10539086474, 20109317083, 37617526854, 69067009601, 124590363723 ]
[ "nonn" ]
A127542
[ 0, 2, 4, 7, 12, 22, 42, 76, 139, 267, 516, 999, 1951, 3824, 7486, 14681, 28797, 56191, 108921, 210746, 410016, 804971, 1591352, 3153835, 6249154, 12380967, 24553237, 48731373, 96622022, 191012244, 376293782, 739671592, 1454332766, 2867413428, 5678310305 ]
[ "nonn" ]
A213106
[ 4, 10, 32, 20, 82, 276, 36, 198, 898, 4028, 62, 456, 2770, 16840, 93664, 104, 1014, 8098, 65998, 483974, 3248120, 172, 2210, 22886, 250152, 2430726, 21169866, 177690360, 282, 4758, 63366, 931076, 12062348, 136925026, 1482885382, 15972807764 ]
[ "nonn", "tabl" ]
A284882
[ 2, 5, 8, 11, 15, 18, 20, 23, 26, 29, 33, 36, 38, 41, 45, 48, 50, 53, 56, 59, 62, 65, 69, 72, 74, 77, 80, 83, 87, 90, 92, 95, 99, 102, 104, 107, 110, 113, 116, 119, 123, 126, 128, 131, 135, 138, 140, 143, 146, 149, 152, 155, 159, 162, 164, 167, 170, 173, 177 ]
[ "nonn", "easy" ]
A164715
[ 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 7, 3, 7, 7, 3, 7, 7, 7, 7, 3, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 3, 3, 7, 3, 7, 3, 3, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 8, 8, 5, 5, 8, 8, 8, 5, 5, 8, 8, 5, 8, 7, 3, 3, 3, 7, 3, 3, 3, 7, 3, 3, 3, 7, 7, 7, 7, 3 ]
[ "base", "nonn" ]
A230854
[ 4, 8, 10, 12, 14, 18, 20, 22, 24, 30, 36, 38, 40, 42, 46, 48, 50, 52, 58, 64, 66, 68, 70, 74, 76, 78, 80, 82, 88, 90, 92, 94, 96, 100, 102, 104, 106, 112, 118, 120, 122, 124, 128, 130, 132, 134, 140, 146, 148, 150, 152, 156, 158, 160, 162, 164, 170, 172, 174, 176, 178, 182, 184, 186, 188 ]
[ "nonn", "base" ]
A386593
[ 1, 2, 6, 30, 124 ]
[ "nonn", "hard", "more" ]
A319892
[ 9, 72, 504, 3024, 15120, 60480, 181440, 362880, 362880, 362862, 362574, 357984, 289440, -665280, -13003200, -160030080, -1763959680, -17642862720, -17642862693, -17642862018, -17642845170, -17642441520, -17633175120, -17429735520, -13167191520, 71870561280 ]
[ "sign", "easy" ]
A001801
[ 3, 15, 105, 315, 6930, 18018, 90090, 218790, 2078505, 4849845, 22309287, 50702925, 1825305300, 4071834900, 18032411700, 39671305740, 347123925225, 755505013725, 3273855059475, 7064634602025, 121511715154830, 260382246760350, 1112542327066950, 2370198870707850, 20146690401016724 ]
[ "nonn" ]
A131087
[ 1, 2, 1, 1, 4, 1, 2, 5, 6, 1, 1, 8, 11, 8, 1, 2, 9, 20, 19, 10, 1, 1, 12, 29, 40, 29, 12, 1, 2, 13, 42, 69, 70, 41, 14, 1, 1, 16, 55, 112, 139, 112, 55, 16, 1, 2, 17, 72, 167, 252, 251, 168, 71, 18, 1, 1, 20, 89, 240, 419, 504, 419, 240, 89, 20, 1, 2, 21, 110, 329, 660, 923, 924 ]
[ "nonn", "tabl" ]
A188748
[ 7, 49, 292, 1723, 10327, 61996, 371641, 2227333, 13350748, 80027347, 479695855, 2875358812, 17235289777, 103310698477, 619258487404, 3711920099323, 22249757087527, 133368089673676, 799426585401961, 4791872379016597 ]
[ "nonn" ]
A157921
[ 71, 143, 215, 287, 359, 431, 503, 575, 647, 719, 791, 863, 935, 1007, 1079, 1151, 1223, 1295, 1367, 1439, 1511, 1583, 1655, 1727, 1799, 1871, 1943, 2015, 2087, 2159, 2231, 2303, 2375, 2447, 2519, 2591, 2663, 2735, 2807, 2879, 2951, 3023, 3095, 3167, 3239 ]
[ "nonn", "easy" ]
A257440
[ 30, 36, 39, 49, 65, 90, 128, 186, 269, 392, 573, 836, 1223, 1791, 2621, 3839, 5625, 8240, 12074, 17694, 25928, 37997, 55686, 81608, 119600, 175281, 256883, 376478, 551754, 808631, 1185104, 1736853, 2545478, 3730577, 5467425, 8012897, 11743469 ]
[ "nonn" ]
A282732
[ 1, 3, 9, 23, 63, 171, 461, 1247, 3371, 9111, 24629, 66575, 179959, 486451, 1314933, 3554415, 9607995, 25971519, 70204013, 189769551, 512968999, 1386614411, 3748178797, 10131759903, 27387316427, 74031077351, 200114546757, 540932717135, 1462203568951, 3952505014627, 10684077253253, 28880293973327 ]
[ "nonn", "easy" ]