id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A178851
[ 0, 0, 1, 7, 32, 121, 412, 1317, 4048, 12144, 35904, 105249, 306968, 892217, 2585468, 7468532, 21500800, 61688513, 176477988, 503906221, 1438235592, 4110846808, 11789919200, 33991337521, 98657320240, 288505634480, 850146795840, 2522918119392, 7531922736384 ]
[ "nonn" ]
A121197
[ 2, 2, 8, 34, 158, 777, 4006, 21224, 114348, 624222, 3441050, 19121530, 106957272 ]
[ "nonn", "nice", "hard", "more" ]
A390583
[ 1, 2, 24, 24, 1, 3, 12, 12, 2, 3, 120, 120, 2, 10, 15, 15, 3, 4, 336, 336, 3, 5, 120, 120, 3, 8, 22, 264, 4, 5, 720, 720, 4, 11, 33, 132, 5, 6, 1320, 1320, 5, 7, 420, 420, 5, 8, 117, 4680, 5, 21, 30, 70, 6, 7, 2184, 2184, 6, 14, 105, 105, 6, 19, 32, 1824 ]
[ "nonn", "tabf", "new" ]
A063365
[ -1, 132, 286, 440, 592, 746, 898, 1056, 1204, 1362, 1510, 1670, 1816, 1978, 2122, 2286, 2428, 2592, 2734, 2902, 3040, 3208, 3346, 3516, 3652, 3824, 3958, 4132, 4264, 4438, 4570, 4748, 4876, 5054, 5182, 5362, 5488, 5670, 5794, 5978, 6100 ]
[ "sign" ]
A334158
[ 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 0, 1, 2, 0, 0, 1, 0, 1, 2, 0, 0, 1, 0, 0, 2, 0, 1, 1, 0, 0, 2, 0, 1, 2, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 1, 1, 0, 1, 3, 0, 0, 3, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 1, 3, 0, 0, 2, 0, 1, 2, 0, 0, 2, 0, 0, 3, 0, 0, 1, 0, 0, 3, 0, 1, 1, 0, 0, 2, 0, 1, 3 ]
[ "nonn", "easy" ]
A070728
[ 0, 1, 32, 27, 16, 29, 0, 7, 32, 9, 16, 35, 0, 37, 32, 15, 16, 17, 0, 43, 32, 45, 16, 23, 0, 25, 32, 3, 16, 5, 0, 31, 32, 33, 16, 11, 0, 13, 32, 39, 16, 41, 0, 19, 32, 21, 16, 47, 0, 1, 32, 27, 16, 29, 0, 7, 32, 9, 16, 35, 0, 37, 32, 15, 16, 17, 0, 43, 32, 45, 16, 23, 0, 25, 32, 3 ]
[ "nonn", "easy" ]
A118634
[ 1, 39, 131, 169, 999, 1037, 7339, 9375, 5777, 7813, 3225, 5261, 1663, 3699, 10001, 10039, 93039, 93077, 77077, 77115, 51215, 51253, 35253, 35291, 19291, 19329, 92429, 92467, 76467, 76505, 50605, 50643, 34643, 34681, 18681, 18719, 91819 ]
[ "base", "nonn" ]
A193742
[ 31729, 41729, 61729, 151729, 161729, 181729, 221729, 271729, 341729, 431729, 551729, 581729, 611729, 671729, 691729, 731729, 811729, 881729, 931729, 961729, 1031729, 1061729, 1091729, 1151729, 1181729, 1201729, 1321729, 1391729, 1441729, 1451729, 1531729 ]
[ "nonn", "easy", "base" ]
A068248
[ 1, 673072, 24674450670, 47695073906240, 16222886703881376, 1842996310592836900, 98798502888215700000, 3.068393794369672e+21, 6.296068950517199e+22, 9.331003127711093e+23, 1.063978134284843e+25, 9.777903598769838e+25, 7.500904559600017e+26 ]
[ "nonn" ]
A387010
[ 1, 8, 67, 576, 5036, 44552, 397594, 3572224, 32267668, 292750368, 2665685155, 24347665728, 222972599812, 2046626681072, 18823260696452, 173427623923712, 1600383346290116, 14789063407109600, 136838247669241280, 1267571539176770800, 11754134090271100000 ]
[ "nonn", "changed" ]
A078548
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 10, 10, 36, 24, 10, 42, 112, 64, 162, 18, 40, 20, 132, 20, 40, 72, 364, 48, 504, 27, 90, 90, 30, 192, 90, 30, 756, 432, 108, 36, 160, 80, 504, 40, 160, 264, 1288, 40, 1728, 45, 250, 250, 780, 520, 50, 810, 1960, 1120, 2610, 54, 360, 180 ]
[ "nonn", "base" ]
A210428
[ 0, 1, 16, 119, 560, 1955, 5552, 13573, 29632, 59229, 110320, 193963, 325040, 523055, 813008, 1226345, 1801984, 2587417, 3639888, 5027647, 6831280, 9145115, 12078704, 15758381, 20328896, 25955125, 32823856, 41145651, 51156784, 63121255, 77332880, 94117457 ]
[ "nonn", "easy" ]
A197194
[ 1, 90, 4455, 160380, 4691115, 118216098, 2659862205, 54717165360, 1046465787510, 18836384175180, 322102169395578, 5270762771927640, 83014513657860340, 1264374900327411200, 18694686026269580000, 269203478778281950000, 3.78567392031959e+21, 5.2108688079693174e+22, 7.03467289075858e+23 ]
[ "nonn", "easy" ]
A024816
[ 0, 0, 2, 3, 9, 9, 20, 21, 32, 37, 54, 50, 77, 81, 96, 105, 135, 132, 170, 168, 199, 217, 252, 240, 294, 309, 338, 350, 405, 393, 464, 465, 513, 541, 582, 575, 665, 681, 724, 730, 819, 807, 902, 906, 957, 1009, 1080, 1052, 1168, 1182, 1254, 1280, 1377, 1365 ]
[ "easy", "nonn", "nice" ]
A038991
[ 1, 15, 40, 155, 156, 600, 400, 1395, 1210, 2340, 1464, 6200, 2380, 6000, 6240, 11811, 5220, 18150, 7240, 24180, 16000, 21960, 12720, 55800, 20306, 35700, 33880, 62000, 25260, 93600, 30784, 97155, 58560, 78300, 62400, 187550, 52060, 108600, 95200, 217620, 70644, 240000, 81400 ]
[ "nonn", "mult" ]
A294705
[ 1, 720, 103680, 1474560, 37440000, 74649600, 1659571200, 3019898880, 18366600960, 26956800000, 257213088000, 152882380800, 1644455554560, 1194891264000, 3881779200000, 6184752906240, 32143905423360, 13223952691200, 110052644025600, 55207526400000, 172064342016000, 185193423360000 ]
[ "nonn", "mult", "changed" ]
A117036
[ 0, 4, 6, 0, 4, 5, 1, 7, 2, 5, 7, 1, 3, 9, 9, 7, 5, 9, 5, 0, 7, 3, 8, 3, 8, 2, 9, 5, 1, 7, 9, 3, 8, 5, 5, 2, 1, 0, 5, 5, 7, 0, 7, 0, 7, 2, 0, 9, 5, 9, 3, 5, 3, 6, 0, 9, 7, 5, 5, 6, 3, 7, 2, 2, 3, 4, 7, 1, 9, 3, 3, 8, 5, 5, 9, 1, 5, 2, 1, 4, 0, 3, 3, 2, 7, 6, 3, 9, 4, 6, 6, 1, 0, 1, 0, 7, 0, 2, 8, 4, 8, 8, 5, 6, 6 ]
[ "cons", "nonn", "less" ]
A274632
[ 1, 3, 6, 2, 7, 5, 8, 4, 9, 10, 15, 13, 11, 18, 12, 20, 16, 22, 25, 27, 14, 28, 29, 31, 33, 34, 38, 32, 35, 36, 41, 40, 39, 17, 46, 43, 44, 52, 19, 48, 57, 50, 61, 53, 58, 21, 23, 24, 63, 65, 56, 60, 26, 71, 66, 68, 74, 78, 30, 77, 73, 80, 84, 69, 76, 82, 79, 89, 92, 85, 90, 87, 91, 93, 94, 37, 96 ]
[ "nonn" ]
A029469
[ 1, 2, 3, 4, 6, 8, 10, 12, 20, 23, 24, 32, 36, 46, 48, 62, 64, 69, 72, 86, 92, 96, 107, 138, 144, 174, 184, 192, 207, 246, 276, 288, 304, 368, 414, 529, 552, 576, 621, 736, 739, 759, 768, 828, 864, 947, 1044, 1058, 1104, 1136, 1152, 1224, 1242, 1472, 1536 ]
[ "nonn", "base" ]
A089780
[ 2, 0, 2, 0, 11, 0, 3, 0, 17, 0, 3, 0, 21, 0, 71, 0, 3, 0, 29, 0, 9, 0, 3, 0, 3, 0, 19, 0, 51, 0, 31, 0, 1, 0, 41, 0, 21, 0, 87, 0, 29, 0, 27, 0, 39, 0, 69, 0, 21, 0, 3, 0, 73, 0, 3, 0, 163, 0, 51, 0, 83, 0, 1, 0, 61, 0, 43, 0, 89, 0, 77, 0, 49, 0, 11, 0, 213, 0, 177, 0, 109, 0, 307, 0, 3, 0, 61, 0, 27, 0, 119 ]
[ "base", "nonn" ]
A255453
[ 1, 5, 21, 77, 277, 1005, 3669, 13421, 49109, 179693, 657493, 2405741, 8802517, 32208109, 117848405, 431203437, 1577759189, 5772968941, 21123103317, 77288739693, 282796954325, 1034744746733, 3786096966485, 13853204169325, 50688418034645, 185467253023213, 678618573585493, 2483043021926765 ]
[ "nonn" ]
A121992
[ 3, 8, 7, 5, 8, 7, 5, 21, 19, 6, 16, 14, 7, 15, 13, 8, 3, 7, 8, 5, 7, 8, 15, 13, 9, 24, 21, 10, 16, 14, 15, 7, 13, 15, 8, 13, 15, 24, 21, 16, 6, 14, 16, 10, 14, 16, 21, 19, 21, 5, 19, 21, 16, 19, 24, 9, 21, 24, 15, 21 ]
[ "nonn", "tabf", "uned" ]
A172905
[ 1, 1107, 2186815, 5796870115, 18343212299091, 65338547748658104, 252150480931735540000, 1.0350758031171996e+24, 4.460486602857546e+27, 1.9987118442361473e+31 ]
[ "nonn" ]
A086719
[ 1, 2, 5, 6, 10, 13, 14, 21, 22, 30, 37, 42, 46, 58, 70, 78, 93, 133, 142, 190, 253 ]
[ "nonn", "fini", "full" ]
A274743
[ 99, 10989, 1099989, 109999989, 10999999989, 1099999999989, 109999999999989, 10999999999999988, 1100000000000000000, 110000000000000000000, 1.1e+22, 1.1e+24, 1.1e+26, 1.1e+28 ]
[ "nonn", "easy" ]
A062114
[ 0, 1, 2, 3, 6, 9, 16, 25, 42, 67, 110, 177, 288, 465, 754, 1219, 1974, 3193, 5168, 8361, 13530, 21891, 35422, 57313, 92736, 150049, 242786, 392835, 635622, 1028457, 1664080, 2692537, 4356618, 7049155, 11405774, 18454929, 29860704, 48315633, 78176338, 126491971 ]
[ "easy", "nonn" ]
A296543
[ 0, 1, 1, -1, -11, -33, 61, 1367, 7253, -12561, -580499, -4701497, 4669765, 580325215, 6636339165, 1365901495, -1122870368715, -17289945450289, -31110588453299, 3713822629274023, 74717183313957400, 280555705771423040, -19253195126787260000, -496715617694137060000, -3.008746115751274e+21 ]
[ "sign" ]
A079145
[ 1, 3, 19, 195, 2791, 51423, 1167979, 32067675, 1064281951, 43806954183, 2376985075939, 186194963282595, 22598045194449270, 4259417828951807500, 1.2003828846546224e+21, 4.9072701258376987e+23, 2.8699807838007567e+26, 2.3888987846686855e+29 ]
[ "nonn", "easy" ]
A223418
[ 26, 136, 868, 4720, 29912, 163168, 1033328, 5638336, 35704800, 194827648, 1233740224, 6732071680, 42630619008, 232619832832, 1473057249024, 8037939530752, 50899980869120, 277742748522496, 1758796582951936 ]
[ "nonn" ]
A231390
[ 7, 8, 15, 20, 31, 52, 95, 180, 351, 692, 1375, 2740, 5471, 10932, 21855, 43700, 87391, 174772, 349535, 699060, 1398111, 2796212, 5592415, 11184820, 22369631, 44739252, 89478495, 178956980, 357913951, 715827892, 1431655775, 2863311540, 5726623071 ]
[ "nonn" ]
A137136
[ 3, 583, 59833, 93583, 5775583, 5998333, 8875583, 85899583, 93593583, 599983333, 59999833333, 85958937833, 93795393583, 893755758333, 977738899583, 987795393583, 5775797378333, 5987798893583, 5999998333333, 7573597558333, 9357335833333, 9899393359583, 57739379973583, 77355383353583, 85789788937833 ]
[ "base", "nonn" ]
A011959
[ 0, 0, 1, 1, 0, 1, 1, 1, 1, 3, 3, 4, 7, 11, 15, 24, 36, 55, 81, 129, 195, 301, 465, 728, 1116, 1745, 2717, 4239, 6603, 10357, 16189, 25383, 39807, 62557, 98245, 154608, 243346, 383436, 604346, 953582, 1505106, 2377442, 3757050, 5941269 ]
[ "nonn", "easy" ]
A329097
[ 1, 0, -1, -1, 0, 0, 1, 0, 0, -1, 1, 0, 1, -1, 1, -1, 1, -2, 2, -2, 2, -2, 3, -4, 3, -4, 5, -5, 6, -6, 7, -8, 9, -9, 11, -12, 13, -16, 15, -17, 20, -22, 23, -26, 29, -30, 35, -38, 40, -45, 50, -52, 58, -65, 69, -75, 82, -89, 96, -107, 114, -123, 135, -145, 158, -170, 185, -200, 216, -232, 251 ]
[ "sign" ]
A051391
[ 1, 1, 1, 1, 2, 80, 11084874829 ]
[ "nonn", "nice", "hard" ]
A143932
[ 3, 2, 3, 97, 241, 241, 1201, 3361, 5569, 61441, 240769, 915049, 240769, 17302321, 7076521, 49186201, 2100735289, 1074527281, 23971813321, 32354445841, 68820869329, 2992426816129, 26238323995129, 104071698229321 ]
[ "nonn" ]
A347919
[ 0, 6, 20, 202, 3147, 70780, 1916876, 64729352 ]
[ "nonn", "more" ]
A013870
[ 14, 7529536, 4049565169664, 2177953337809371100, 1.1713555759539873e+24, 6.299831412818772e+29, 3.388200529767843e+35, 1.8222555617218607e+41, 9.800527752274979e+46 ]
[ "nonn", "easy" ]
A193446
[ 2, 18, 142, 1160, 10208, 97720, 1018008, 11507472, 140581872, 1848236544, 26041957632, 391738883328, 6268657962240, 106361504663040, 1907768564282880, 36075270482058240, 717379367864693800, 14967427450111488000, 326956068509511200000, 7.463341244426167e+21 ]
[ "nonn" ]
A351128
[ 0, 1, 0, 1, 8, 49, 280, 1649, 10800, 81505, 696400, 6472033, 63562872, 652984977, 7026210728, 79547049681, 949709767904, 11936248012993, 157219119485216, 2159448120457409, 30811324011852136, 455635009201781000, 6975424580445456000, 110478282815356440000 ]
[ "nonn" ]
A367055
[ 0, 1, 2, 1, 2, 2, 2, 3, 3, 4, 1, 2, 2, 3, 2, 2, 3, 3, 4, 3, 4, 2, 3, 3, 4, 3, 4, 4, 3, 4, 4, 5, 4, 5, 5, 6, 1, 2, 2, 3, 2, 3, 3, 4, 2, 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 2, 3, 3, 4, 3, 4, 4, 5, 3 ]
[ "nonn", "easy", "tabl" ]
A316018
[ 1, 6, 9, 14, 22, 26, 32, 33, 40, 48, 54, 49, 60, 68, 74, 80, 75, 88, 94, 102, 91, 106, 114, 120, 128, 117, 136, 142, 148, 133, 154, 160, 166, 174, 159, 184, 190, 196, 173, 202, 208, 212, 220, 199, 232, 238, 244, 215, 248, 256 ]
[ "nonn" ]
A193897
[ 1, 2, 1, 3, 6, 3, 4, 9, 12, 6, 5, 12, 18, 20, 10, 6, 15, 24, 30, 30, 15, 7, 18, 30, 40, 45, 42, 21, 8, 21, 36, 50, 60, 63, 56, 28, 9, 24, 42, 60, 75, 84, 84, 72, 36, 10, 27, 48, 70, 90, 105, 112, 108, 90, 45, 11, 30, 54, 80, 105, 126, 140, 144, 135, 110, 55, 12, 33 ]
[ "nonn", "tabl" ]
A058767
[ 2, 4, 12, 52, 100, 108, 160, 2940, 2964, 17334, 21768, 41604, 65208, 72780 ]
[ "nonn" ]
A173126
[ 0, 0, 0, 0, 1, 2, 7, 14, 36, 72, 165, 330, 715, 1430, 3004, 6008, 12393, 24786, 50559, 101118, 204820, 409640, 826045, 1652090, 3321891, 6643782, 13333932, 26667864, 53457121, 106914242, 214146295, 428292590, 857417220, 1714834440, 3431847189 ]
[ "nonn" ]
A171971
[ 0, 1, 3, 6, 10, 15, 21, 27, 35, 43, 52, 62, 73, 84, 97, 110, 125, 140, 156, 173, 190, 209, 229, 249, 270, 292, 315, 339, 364, 389, 416, 443, 471, 500, 530, 561, 592, 625, 658, 692, 727, 763, 800, 838, 876, 916, 956, 997, 1039, 1082, 1126, 1170, 1216, 1262, 1309 ]
[ "nonn" ]
A198363
[ 1, 0, 1, 1, 9, 6, 4, 0, 7, 1, 9, 5, 4, 1, 5, 9, 6, 5, 5, 1, 6, 4, 3, 9, 2, 2, 5, 1, 6, 8, 6, 8, 1, 0, 4, 7, 8, 4, 3, 1, 4, 0, 0, 1, 4, 0, 3, 1, 8, 0, 2, 4, 9, 9, 0, 9, 8, 2, 2, 2, 2, 1, 0, 5, 2, 6, 4, 8, 1, 9, 8, 6, 2, 5, 9, 0, 1, 3, 6, 4, 3, 3, 5, 8, 7, 3, 1, 1, 1, 5, 1, 0, 7, 8, 2, 1, 9, 9, 6 ]
[ "nonn", "cons" ]
A072048
[ 1, 2, 2, 2, 4, 2, 4, 2, 2, 4, 4, 2, 2, 4, 4, 2, 4, 2, 8, 2, 4, 4, 4, 2, 4, 4, 2, 8, 2, 4, 2, 4, 2, 4, 4, 4, 2, 2, 4, 4, 8, 2, 4, 8, 2, 2, 4, 4, 8, 2, 4, 2, 4, 4, 4, 2, 4, 4, 4, 4, 2, 2, 8, 2, 8, 4, 2, 2, 8, 4, 2, 8, 4, 4, 4, 4, 4, 2, 4, 8, 2, 4, 4, 2, 8, 2, 4, 4, 4, 4, 4, 2, 2, 8, 4, 2 ]
[ "nonn" ]
A083201
[ 1, 3, 7, 13, 53, 107, 431, 863, 6911, 27647, 442367, 7247757311, 3710851743743, 7421703487487, 3.1875973759370105e+22, 7.177831177238546e+37 ]
[ "nonn" ]
A052650
[ 1, 4, 22, 156, 1368, 14400, 177840, 2530080, 40844160, 738823680, 14816390400, 326439590400, 7840777190400, 203947385241600, 5711834461132800, 171375956623872000, 5484386299392000000, 186475536553033730000 ]
[ "easy", "nonn" ]
A050547
[ 7, 31, 67, 251, 767, 1171, 1643, 25423, 38863, 50867, 60391, 100303, 286171, 399767 ]
[ "hard", "nonn" ]
A080045
[ 1, 2, 2, 3, 1, 3, 4, 3, 3, 4, 5, 12, 3, 12, 5, 6, 60, 4, 4, 60, 6, 7, 20, 30, 2, 30, 20, 7, 8, 140, 60, 15, 15, 60, 140, 8, 9, 280, 105, 60, 15, 60, 105, 280, 9, 10, 2520, 840, 140, 12, 12, 140, 840, 2520, 10, 11, 2520, 252, 168, 210, 6, 210, 168, 252, 2520, 11, 12, 27720 ]
[ "nonn", "tabl", "frac" ]
A120206
[ 5, 6, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 25, 28, 31, 34, 38, 42, 47, 52, 58, 64, 71, 79, 88, 98, 109, 121, 134, 149, 166, 184, 205, 227, 253, 281, 312 ]
[ "nonn" ]
A312750
[ 1, 4, 8, 15, 20, 25, 28, 34, 34, 44, 44, 57, 56, 69, 62, 76, 66, 84, 80, 95, 98, 105, 104, 112, 104, 120, 118, 133, 136, 147, 138, 156, 136, 162, 152, 173, 174, 185, 178, 192, 176, 198, 192, 209, 214, 223, 214, 234, 208, 242 ]
[ "nonn" ]
A010539
[ 9, 3, 8, 0, 8, 3, 1, 5, 1, 9, 6, 4, 6, 8, 5, 9, 1, 0, 9, 1, 3, 1, 2, 6, 0, 2, 2, 7, 0, 8, 8, 9, 3, 2, 5, 6, 1, 1, 7, 6, 4, 5, 6, 7, 0, 6, 8, 2, 3, 4, 7, 4, 3, 0, 7, 2, 1, 1, 4, 0, 3, 7, 8, 2, 0, 3, 4, 0, 4, 9, 2, 6, 5, 5, 0, 6, 4, 7, 9, 4, 4, 2, 9, 6, 4, 2, 3, 1, 1, 9, 2, 1, 2, 3, 0, 8, 6, 2, 7 ]
[ "nonn", "cons" ]
A172140
[ 0, 0, 126, 2032, 20502, 160696, 929880, 4117520, 15037036, 47368960, 132577826, 336828368, 789558314, 1729320120, 3574328936, 7027309888, 13226773092, 23959787480, 41954706558, 71276149776, 117848892710, 190142197976 ]
[ "nonn" ]
A057893
[ 0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 3, 4, 3, 0, 0, 4, 6, 6, 4, 0, 0, 5, 8, 1, 8, 5, 0, 0, 6, 10, 12, 12, 10, 6, 0, 0, 7, 12, 15, 16, 15, 12, 7, 0, 0, 8, 14, 2, 20, 20, 2, 14, 8, 0, 0, 9, 16, 13, 24, 105, 24, 13, 16, 9, 0, 0, 10, 18, 24, 28, 30, 30, 28, 24, 18, 10, 0, 0, 11, 20, 27, 32, 19, 4 ]
[ "easy", "nonn", "tabl" ]
A186499
[ 1, 3, 4, 5, 7, 8, 10, 11, 13, 14, 15, 17, 18, 20, 21, 23, 24, 26, 27, 28, 30, 31, 33, 34, 36, 37, 39, 40, 41, 43, 44, 46, 47, 49, 50, 52, 53, 55, 56, 57, 59, 60, 62, 63, 65, 66, 68, 69, 70, 72, 73, 75, 76, 78, 79, 81, 82, 83, 85, 86, 88, 89, 91, 92, 94, 95, 96, 98, 99, 101, 102, 104, 105, 107, 108, 109, 111, 112, 114, 115, 117, 118, 120, 121, 123, 124, 125, 127, 128, 130, 131, 133, 134, 136, 137, 138, 140, 141, 143, 144 ]
[ "nonn" ]
A102159
[ 2, 7, 31, 401, 90481, 6691411 ]
[ "nonn", "base", "less" ]
A278270
[ 0, 3453, 1443372, 534794424, 205381236473, 78878506284185, 30276634666919852, 11621961222234315000, 4.461215336987163e+21, 1.7124837722097207e+24, 6.57354678207062e+26, 2.5233242248438094e+29 ]
[ "nonn" ]
A108300
[ 1, 5, 16, 53, 175, 578, 1909, 6305, 20824, 68777, 227155, 750242, 2477881, 8183885, 27029536, 89272493, 294847015, 973813538, 3216287629, 10622676425, 35084316904, 115875627137, 382711198315, 1264009222082, 4174738864561, 13788225815765, 45539416311856 ]
[ "nonn", "easy" ]
A361539
[ 3, 39, 426, 4550, 50085, 577731, 7022596, 90148860, 1222753815, 17515226465, 264663151038, 4212100028994, 70475063838361, 1237144088015535, 22735980569119560, 436467520716475100, 8733235757816095000, 181740089309026250000, 3.9254581461979166e+21 ]
[ "nonn" ]
A074433
[ 0, 0, 1, 12, 60, 270, 1296, 6048, 29160, 155520, 883872, 5038848, 28304640, 157697280, 877515379, 4899999744, 27554100480, 156116108160, 889181991936, 5078255822436, 29045467518171, 166348496793600, 954240788994048, 5484237660094464, 31581437286776820 ]
[ "easy", "nonn" ]
A360244
[ 0, 0, 0, 0, 1, 3, 3, 9, 11, 17, 23, 37, 42, 68, 87, 110, 153, 209, 261, 352, 444, 573, 750, 949, 1187, 1508, 1909, 2367, 2938, 3662, 4507, 5576, 6826, 8359, 10203, 12372, 15011, 18230, 21996, 26518, 31779, 38219, 45682, 54660, 65112, 77500, 92089, 109285 ]
[ "nonn" ]
A106092
[ 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 22, 23, 24, 26, 28, 29, 30, 31, 32, 34, 36, 37, 38, 40, 41, 42, 43, 44, 46, 47, 48, 50, 52, 53, 54, 56, 58, 59, 60, 61, 62, 64, 66, 67, 68, 70, 71, 72, 73, 74, 76, 78, 79, 80, 82, 83, 84, 86, 88, 89, 90, 92, 94, 96, 97 ]
[ "nonn", "easy" ]
A166784
[ 0, 420, 10540, 93645, 523316, 2216887, 7776832, 23747742 ]
[ "nonn" ]
A066455
[ 1, 2, 8, 25, 65, 146, 292, 533, 905, 1450, 2216, 3257, 4633, 6410, 8660, 11461, 14897, 19058, 24040, 29945, 36881, 44962, 54308, 65045, 77305, 91226, 106952, 124633, 144425, 166490, 190996, 218117, 248033, 280930, 317000, 356441, 399457, 446258, 497060 ]
[ "nonn", "easy" ]
A094525
[ 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 7, 4, 1, 1, 5, 13, 13, 5, 1, 1, 6, 21, 28, 21, 6, 1, 1, 7, 31, 49, 49, 31, 7, 1, 1, 8, 43, 76, 89, 76, 43, 8, 1, 1, 9, 57, 109, 141, 141, 109, 57, 9, 1, 1, 10, 73, 148, 205, 226, 205, 148, 73, 10, 1, 11, 91, 193, 281 ]
[ "easy", "nonn", "tabl" ]
A278345
[ 1, 1, 1, 13, 1, 61, 1, 245, 5, 1013, 5, 4085, 5, 16341, 21, 65365, 85, 261973, 85, 1048405, 85, 4194133, 85, 16777045, 85, 67108181, 341, 268432725, 1365, 1073730901, 5461, 4294923605, 21845, 17179825493, 21845, 68719433045, 21845, 274877863253, 21845 ]
[ "nonn", "easy" ]
A314973
[ 1, 5, 9, 14, 20, 26, 32, 38, 44, 49, 53, 58, 63, 67, 72, 78, 84, 90, 96, 102, 107, 111, 116, 121, 125, 130, 136, 142, 148, 154, 160, 165, 169, 174, 179, 183, 188, 194, 200, 206, 212, 218, 223, 227, 232, 237, 241, 246, 252, 258 ]
[ "nonn" ]
A257441
[ 36, 38, 41, 51, 68, 95, 134, 191, 275, 398, 578, 842, 1229, 1796, 2627, 3845, 5630, 8246, 12080, 17699, 25934, 38003, 55691, 81614, 119606, 175286, 256889, 376484, 551759, 808637, 1185110, 1736858, 2545484, 3730583, 5467430, 8012903, 11743475 ]
[ "nonn" ]
A058929
[ 0, 1, 60, 2520, 453600, 59875200, 10897286400, 6701831136000, 2623194782208000, 1338096104497152000, 1.633313557551836e+21, 1.324107982344765e+24, 1.408369399403068e+27 ]
[ "nonn" ]
A144806
[ 2, 9, 1, 8, 0, 1, 2, 0, 6, 9, 1, 4, 1, 0, 7, 7, 3, 0, 6, 2, 3, 2, 1, 4, 4, 4, 4, 8, 9, 4, 1, 3, 4, 9, 9, 6, 3, 5, 2, 9, 9, 5, 8, 3, 9, 3, 3, 5, 3, 8, 3, 3, 3, 0, 0, 8, 5, 3, 1, 2, 4, 0, 2, 0, 8, 3, 8, 7, 6, 8, 0, 2, 0, 1, 2, 8, 3, 2, 2, 6, 0, 4, 0, 5, 6, 1, 1, 6, 6, 8, 0, 4, 5, 6, 5, 1, 5, 6, 3, 1, 1, 7, 7, 8, 7 ]
[ "cons", "nonn" ]
A359727
[ 2, 4, 7, 8, 13, 14, 17, 23, 24, 28, 30, 39, 40, 43, 46, 49, 50, 53, 59, 65, 66, 70, 72, 75, 76, 81, 86, 88, 92, 96, 98, 107, 108, 114, 117, 118, 123, 127, 134, 140, 143, 144, 149, 150, 153, 156, 159, 160, 163, 166, 175, 176, 179, 182, 185, 191, 195 ]
[ "nonn" ]
A146650
[ 1, 1, 1, 17, 57, 265, 2569, 62981, 1534149, 39874393, 1805421661, 154427138595, 18701005144079 ]
[ "nonn" ]
A022985
[ 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31 ]
[ "sign", "easy" ]
A263753
[ 1, 1, 1, 0, 1, 1, 0, 1, 3, 0, 1, 1, 0, 1, 3, 7, 1, 3, 7, 0, 1, 1, 0, 1, 3, 7, 16, 3, 14, 17, 32, 3, 7, 15, 0, 1, 1, 0, 1, 3, 7, 16, 34, 14, 32, 69, 72, 129, 32, 68, 70, 118, 7, 15, 31, 0, 1, 1, 0, 1, 3, 7, 16, 34, 77, 32, 100, 149, 274, 292, 496, 220, 388, 536 ]
[ "nonn", "tabf" ]
A075227
[ 3, 5, 7, 17, 37, 43, 43, 151, 151, 409, 491, 491, 491, 1087, 2011, 3709, 3709, 7417, 7417, 7417, 19699, 30139, 35573, 35573, 40237, 40237, 132151, 132151, 158551, 158551, 245639, 245639, 961459, 1674769, 1674769, 1674769, 1674769, 4339207 ]
[ "nonn", "nice", "more" ]
A291805
[ 72, 120, 200, 352, 792, 280, 480, 464, 1008, 1240, 1152, 1088, 2496, 2304, 2688, 3360, 4560, 7920, 8960, 22080, 19520, 47040, 28640, 61440, 82400, 137760, 126336, 207360, 319488, 552960, 1013760, 2716416, 4505024, 7193472 ]
[ "nonn" ]
A315928
[ 1, 6, 8, 16, 17, 22, 31, 32, 41, 44, 43, 54, 54, 58, 74, 72, 74, 84, 81, 86, 95, 102, 109, 108, 115, 118, 116, 128, 136, 140, 144, 146, 153, 152, 155, 174, 173, 170, 187, 184, 182, 196, 202, 206, 206, 214, 221, 216, 227, 240 ]
[ "nonn" ]
A323637
[ 1, 2, 5, 3, 10, 4, 17, 8, 6, 11, 7, 18, 13, 12, 19, 20, 29, 9, 27, 14, 28, 21, 40, 15, 39, 22, 53, 16, 52, 23, 68, 24, 85, 25, 104, 26, 125, 36, 30, 41, 31, 54, 32, 69, 33, 86, 34, 105, 35, 126, 47, 42, 55, 43, 70, 44, 87, 45, 106, 46, 127, 60, 56, 71, 57, 88, 58, 107, 59, 128, 75, 72 ]
[ "nonn", "look" ]
A334144
[ 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 3, 1, 1, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 1, 4, 2, 4, 3, 3, 3, 3, 2, 2, 4, 4, 3, 4, 3, 3, 2, 4, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 1, 5, 5, 5, 2, 5, 5, 5, 3, 3, 3, 4, 3, 6, 4, 4, 2, 3, 2, 2, 4, 3, 4, 4, 3, 3, 5, 5, 3, 5, 3, 5, 2, 2, 4, 6, 3, 3, 3, 3, 3, 6, 3 ]
[ "nonn" ]
A202017
[ 1, 2, 3, 9, 4, 52, 64, 5, 195, 855, 625, 6, 606, 6546, 15306, 7776, 7, 1701, 38486, 201866, 305571, 117649, 8, 4488, 194160, 1950320, 6244680, 6806472, 2097152, 9, 11367, 887949, 15597315, 90665595, 200503701, 168205743, 43046721 ]
[ "nonn", "easy", "tabl" ]
A368091
[ 1, 0, 1, 0, 2, 1, 0, 3, 2, 1, 0, 4, 7, 2, 1, 0, 5, 10, 7, 2, 1, 0, 6, 22, 18, 7, 2, 1, 0, 7, 28, 34, 18, 7, 2, 1, 0, 8, 50, 62, 50, 18, 7, 2, 1, 0, 9, 60, 121, 86, 50, 18, 7, 2, 1, 0, 10, 95, 182, 189, 118, 50, 18, 7, 2, 1 ]
[ "nonn", "tabl" ]
A188253
[ 40, 1284, 12692, 58824, 193232, 521124, 1142180, 2347608, 4323448, 7567844, 12129300, 19691552, 29057776, 42900188, 61593740, 86648240 ]
[ "nonn" ]
A120349
[ 36, 3600, 8100, 10000, 22500, 26244, 32400, 90000, 142884, 202500, 396900, 518400, 656100, 810000, 980100, 1285956, 1368900, 1587600, 1679616, 2286144, 2340900, 2624400, 2924100 ]
[ "nonn" ]
A325767
[ 1, 2, 12, 18, 36, 60, 120, 180, 360, 450, 540, 600, 840, 1260, 1350, 1500, 1680, 1800, 2250, 2520, 2700, 3000, 3780, 4200, 4500, 5040, 5400, 5880, 6750, 8400, 9000, 10500, 11340, 11760, 12600, 13500, 15120, 17640, 18480, 18900, 20580, 21000, 22680, 25200 ]
[ "nonn" ]
A126070
[ 1, 1, 15, 7, 42, 30, 273, 33, 2310, 1326, 2431, 1311 ]
[ "nonn" ]
A293098
[ 1, 596, 29952, 1676740, 95603353, 5589631828, 331401441383, 19865025530414, 1200437139032383, 72998386107582910, 4461213464047266000, 273752317705189750000, 1.6854982420467382e+22, 1.0407285966014705e+24 ]
[ "nonn" ]
A380029
[ 1, -1, -4, -25, -252, -3545, -63806, -1397781, -36069272, -1071165745, -35977484250, -1348257912221, -55766033179220, -2523251585908521, -123972318738063440, -6572554273909420000, -373979858167243400000, -2.273192905127341e+22, -1.4700095600154418e+24 ]
[ "sign", "easy" ]
A031781
[ 1219, 1591, 2071, 2107, 3375, 3655, 4175, 4399, 4671, 4847, 4888, 4891, 5319, 5395, 6208, 7067, 7144, 7515, 11800, 12328, 12875, 12947, 13144, 13199, 13511, 14027, 14319, 15151, 15272, 16120, 16403, 17331, 17759, 17936, 18483, 19327, 19527, 19691 ]
[ "nonn" ]
A268426
[ 73, 97, 157, 229, 277, 337, 349, 397, 409, 421, 577, 613, 661, 709, 757, 829, 877, 1009, 1069, 1117, 1429, 1549, 1621, 1669, 1741, 1789, 2053, 2269, 2293, 2389, 2437, 2557, 2797, 2857, 2917, 3109, 3301, 3517, 3529, 3637 ]
[ "nonn" ]
A221829
[ 0, 3, 16, 73, 333, 1519, 6929, 31607, 144177, 657671, 3000001, 13684663, 62423313, 284747239, 1298889569, 5924953367, 27026987697, 123285031751, 562371183361, 2565285853303, 11701686899793, 53377862792359, 243485940162209 ]
[ "nonn" ]
A130304
[ 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1 ]
[ "nonn", "tabl", "easy" ]
A356784
[ 0, 0, 0, 1, 0, 1, 2, 3, 0, 1, 2, 4, 3, 5, 6, 7, 0, 1, 2, 4, 8, 3, 5, 9, 6, 10, 7, 12, 11, 13, 14, 15, 0, 1, 2, 4, 8, 16, 3, 5, 9, 17, 6, 10, 18, 7, 12, 21, 11, 19, 13, 22, 14, 24, 15, 26, 20, 23, 25, 28, 27, 29, 30, 31, 0, 1, 2, 4, 8, 16, 32, 3, 5, 9, 17, 33 ]
[ "nonn", "tabf" ]
A251481
[ 114, 586, 586, 2908, 3904, 2908, 12670, 24182, 24182, 12670, 54344, 123739, 183485, 123739, 54344, 218854, 609565, 1096596, 1096596, 609565, 218854, 874280, 2696488, 6216665, 7485767, 6216665, 2696488, 874280, 3378058, 11697274, 30592799 ]
[ "nonn", "tabl" ]
A374186
[ 0, 2, 6, 18, 52, 145, 400, 1093 ]
[ "nonn", "more", "hard" ]
A119907
[ 0, 0, 0, 0, 1, 1, 3, 4, 7, 9, 15, 18, 27, 34, 47, 58, 79, 96, 127, 155, 199, 242, 308, 371, 465, 561, 694, 833, 1024, 1223, 1491, 1778, 2150, 2556, 3076, 3642, 4359, 5151, 6133, 7225, 8570, 10066, 11892, 13937, 16401, 19173, 22495, 26228, 30676, 35692, 41620 ]
[ "easy", "nonn" ]
A101577
[ 0, 46, 68, 98, 574, 714, 2178, 10540 ]
[ "nonn", "more" ]
A256805
[ 237, 1167, 5891, 28655, 140031, 688353, 3375943, 16546465, 81148017, 397969727, 1951494975, 9569654587, 46928263987, 230127443349, 1128498797539, 5533946633513, 27137441115377, 133076860538449, 652583716491933 ]
[ "nonn" ]
A229333
[ 1, 1, 2, 24, 20736, 309586821120, 1.1501279977342425e+28, 1.1574451097756555e+65 ]
[ "nonn" ]