id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A315192
[ 1, 6, 10, 14, 19, 22, 27, 34, 40, 43, 47, 52, 54, 60, 68, 74, 76, 80, 85, 86, 93, 102, 108, 109, 113, 118, 118, 126, 136, 142, 142, 146, 151, 150, 159, 170, 176, 175, 179, 184, 182, 192, 204, 210, 208, 212, 217, 214, 225, 238 ]
[ "nonn" ]
A289940
[ 1, 1, 7, 15, 7, 15, 31, 63, 31, 63, 127, 255, 511, 1023, 2047, 4095, 511, 1023, 2047, 4095, 8191, 16383, 32767, 65535, 131071, 262143, 524287, 1048575, 2097151, 4194303, 8388607, 16777215, 131071, 262143, 524287, 1048575, 52428799, 104857599, 3430940671 ]
[ "nonn", "easy" ]
A321391
[ 1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 2, 1, 0, 1, 4, 3, 4, 1, 0, 1, 5, 4, 9, 4, 1, 0, 1, 6, 5, 16, 9, 8, 1, 0, 1, 7, 6, 25, 16, 27, 8, 1, 0, 1, 8, 7, 36, 25, 64, 27, 16, 1, 0, 1, 9, 8, 49, 36, 125, 64, 81, 16, 1, 0, 1, 10, 9, 64, 49, 216, 125, 256, 81, 32, 1, 0 ]
[ "nonn", "easy", "tabl" ]
A362131
[ 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21 ]
[ "nonn" ]
A092231
[ 196, 370, 718, 826, 1240, 1443, 1762, 1888, 2183, 2284, 2516, 2806, 2950, 3328, 3589, 3850, 4012, 4366, 4372, 4894, 5074, 5416, 5735, 5938, 6136, 6460, 6549, 6808, 6982, 7198, 7504, 7881, 8026, 8260, 8548, 8732, 8954, 9070, 9322, 9592, 10027, 10114 ]
[ "nonn" ]
A018156
[ 1, 1, 2, 5, 8, 15, 25, 44, 76, 130, 225, 386, 664, 1142, 1963, 3375, 5800, 9970, 17136, 29454, 50625, 87012, 149555, 257051, 441812, 759375, 1305192, 2243328, 3855769, 6627188, 11390625, 19577886, 33649921 ]
[ "nonn" ]
A255812
[ 1, 1, 1, 1, 2, 1, 1, 8, 3, 1, 1, 16, 9, 4, 1, 1, 128, 81, 32, 5, 1, 1, 256, 243, 128, 25, 6, 1, 1, 1024, 729, 2048, 125, 72, 7, 1, 1, 2048, 6561, 8192, 625, 1296, 49, 8, 1, 1, 32768, 19683, 65536, 15625, 31104, 343, 128, 9, 1, 1, 65536, 59049, 262144, 78125 ]
[ "nonn", "easy", "tabl", "frac" ]
A353825
[ 0, 1, 2, 3, 4, 5, 6, 8, 7, 9, 10, 11, 12, 13, 14, 15, 17, 16, 18, 20, 19, 24, 25, 26, 21, 23, 22, 27, 28, 29, 30, 31, 32, 33, 35, 34, 36, 37, 38, 39, 40, 41, 42, 44, 43, 45, 47, 46, 51, 52, 53, 48, 50, 49, 54, 56, 55, 60, 61, 62, 57, 59, 58, 72, 73, 74, 75, 76 ]
[ "nonn", "base" ]
A089790
[ 1, 1, 2, 3, 7, 14, 38, 98, 300, 937 ]
[ "nonn", "obsc", "more" ]
A124597
[ 8, 7, 6, 7, 2, 6, 2, 1, 5, 3, 9, 5, 0, 6, 2, 4, 4, 5, 9, 7, 2, 1, 1, 8, 6, 4, 3, 1, 4, 1, 9, 2, 8, 1, 3, 9, 9, 7, 1, 6, 8, 5, 4, 5, 1, 4, 0, 1, 3, 0, 4, 9, 9, 5, 5, 8, 9, 6, 4, 2, 7, 7, 3, 4, 2, 8, 8, 0, 3, 6, 4, 4, 4, 2, 9, 2, 4, 5, 4, 7, 8, 5, 4, 7, 4, 2, 4, 7, 4, 8, 9, 7, 9, 4, 4, 2, 3, 4, 1, 7, 2, 9, 9, 6, 9 ]
[ "nonn", "cons" ]
A345404
[ 11, 22, 1120, 355, 14817, 286602, 5117932, 144316263, 167004362, 8984683957 ]
[ "nonn", "more", "hard" ]
A009485
[ 1, -5, 77, -2641, 149529, -12183613, 1342074021, -192192501897, 34713417890609, -7713202738776565, 2065351603144405200, -655189775541151700000, 2.4276653753754175e+23, -1.0381768595233259e+26 ]
[ "sign" ]
A117272
[ 3, 5, 11, 19, 47, 61, 71, 97, 157, 179, 229, 373, 409, 691, 1231, 1373, 1987, 2213, 2557, 3119, 3989, 8443, 9311, 17191, 20707, 26261, 38281, 41381, 48611, 54541, 66889, 74257, 255709 ]
[ "base", "more", "nonn" ]
A076130
[ 13, 299, 5229, 75961, 715492, 11137824, 135224164 ]
[ "nonn", "base", "more" ]
A108252
[ 797, 911, 3221, 3407, 5867, 6173, 8951, 10937, 12809, 13127, 14783, 20639, 22079, 22109, 25247, 26183, 27191, 29501, 29927, 30677, 31013, 31859, 33329, 34757, 34949, 35339, 35603, 35897, 37409, 38867, 40241, 41177, 42239, 44543, 44753, 48491, 49499, 49757, 51383 ]
[ "easy", "nonn", "fini" ]
A351223
[ 1, 120, 7560, 369600, 15765750, 617512896, 22813670880, 807723671040, 27686621927250, 925166131890000, 30286238493551040, 974802747606105600, 30933063577681250000, 969808565876506200000, 3.0090926129273232e+22, 9.252491703678396e+23, 2.8225069296255263e+25 ]
[ "nonn" ]
A191130
[ 1, 3, 6, 9, 14, 18, 26, 27, 38, 42, 54, 58, 74, 78, 81, 106, 110, 114, 126, 154, 162, 170, 174, 218, 222, 234, 243, 298, 314, 318, 326, 330, 342, 378, 426, 442, 458, 462, 486, 506, 510, 522, 618, 650, 654, 666, 682, 698, 702, 729, 874, 890, 894, 938, 942, 954, 974, 978, 990, 1026, 1134, 1194, 1258, 1274, 1278, 1306, 1322, 1326 ]
[ "nonn" ]
A179386
[ 2, 4, 7, 26, 28, 47, 49, 60, 63, 174, 207, 307, 7670, 15336, 18589, 22189, 37071, 44678, 63604, 64432 ]
[ "more", "nonn", "hard" ]
A283632
[ 5, 516, 21963, 700534, 19517898, 490925804, 11651389723, 264077146748, 5787991095939, 123521985310158, 2580501773367232, 52971731775396900, 1071564173210392600, 21408664196720380000, 423174810399432970000 ]
[ "nonn" ]
A002050
[ 0, 1, 5, 25, 149, 1081, 9365, 94585, 1091669, 14174521, 204495125, 3245265145, 56183135189, 1053716696761, 21282685940885, 460566381955705, 10631309363962708, 260741534058271800, 6771069326513691000 ]
[ "nonn", "easy", "nice" ]
A375685
[ 1, 0, 0, 6, 12, 40, 720, 4788, 34440, 460080, 5246640, 60318720, 879523920, 13298126400, 206628117696, 3575354428800, 65828785276800, 1264510188264960, 25912058505776640, 561351949518931200, 12721171715573530000, 302794615563937800000, 7.554095183751745e+21 ]
[ "nonn" ]
A093847
[ 9, 54, 399, 3249, 27999, 249999, 2285713, 21249999, 199999999, 1899999999, 18181818180, 174999999999, 1692307692306, 16428571428570, 159999999999999, 1562499999999999, 15294117647058822, 150000000000000000 ]
[ "base", "easy", "nonn" ]
A154302
[ 5, 19, 43, 173 ]
[ "nonn", "fini", "full", "easy", "bref" ]
A309325
[ 1, 3, 5, 7, 9, 11, 13, 15, 17, 20, 33, 55, 77, 99, 121, 143, 165, 187, 200, 212, 232, 252, 272, 292, 312, 332, 352, 372, 393, 414, 434, 454, 474, 494, 514, 534, 554, 574, 595, 616, 636, 656, 676, 696, 716, 736, 756, 776, 797, 818, 838, 858, 878, 898, 918, 938, 958, 978 ]
[ "nonn", "base" ]
A195654
[ 11264, 48132, 251126, 1473764, 9434784, 64923594, 476033636, 3694894500, 30179587994, 257860425672, 2290966142762, 21042965606234, 198765197377402, 1921681775292272, 18940490557328616, 189679152583318600, 1924757095250611500, 19746535064318923000 ]
[ "nonn" ]
A280150
[ 5, 7, 19, 113, 2741 ]
[ "nonn", "more" ]
A324820
[ 0, 0, 0, 4, 0, 2, 0, 12, 12, 0, 0, 2, 0, 2, 16, 16, 0, 4, 0, 0, 36, 0, 0, 0, 24, 0, 20, 6, 0, 50, 0, 56, 4, 0, 40, 44, 0, 2, 128, 0, 0, 38, 0, 0, 56, 0, 0, 8, 48, 10, 4, 0, 0, 4, 72, 4, 512, 2, 0, 34, 0, 0, 36, 72, 8, 6, 0, 4, 4, 40, 0, 100, 0, 0, 40, 6, 80, 130, 0, 8, 16, 0, 0, 22, 256, 0, 2048, 8, 0, 90, 128, 4 ]
[ "nonn" ]
A125999
[ 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0 ]
[ "nonn", "tabl" ]
A268894
[ 1, 4, 144, 4016, 152230, 14557092, 1966154260, 761411682704, 411068703517542, 684434716944151900, 1.57275451415389e+21, 1.1579615738168536e+25, 1.1718651991785827e+29, 3.8779219197904913e+33, 1.7625846346455358e+38, 2.649386830165884e+43 ]
[ "nonn" ]
A114762
[ 1, 289, 29929, 2999824, 299982400, 29999972025, 2999997202500, 299999997378064, 29999999737806400, 2999999998029351400, 299999999976140200000, 2.999999999969248e+22, 2.9999999999969607e+24, 2.9999999999997323e+26 ]
[ "base", "nonn", "less" ]
A346083
[ 1, 1, 1, 1, -2, 1, 1, 7, 3, 1, 1, -20, 22, -4, 1, 1, 61, 90, 50, 5, 1, 1, -182, 511, -260, 95, -6, 1, 1, 547, 2373, 2331, 595, 161, 7, 1, 1, -1640, 12412, -13944, 7686, -1176, 252, -8, 1, 1, 4921, 60420, 110020, 55230, 20622, 2100, 372, 9, 1, 1, -14762, 307021, -709720, 607090, -171612, 47922, -3480, 525, -10, 1 ]
[ "sign", "easy", "tabl" ]
A098578
[ 0, 1, 2, 3, 4, 6, 9, 13, 18, 25, 35, 49, 68, 94, 130, 180, 249, 344, 475, 656, 906, 1251, 1727, 2384, 3291, 4543, 6271, 8656, 11948, 16492, 22764, 31421, 43370, 59863, 82628, 114050, 157421, 217285, 299914, 413965, 571387, 788673, 1088588, 1502554 ]
[ "easy", "nonn" ]
A254678
[ 7, 17, 23, 31, 41, 47, 73, 89, 97, 103, 127, 137, 151, 167, 199, 223, 233, 239, 241, 257, 271, 281, 311, 313, 353, 359, 367, 383, 409, 431, 433, 439, 449, 479, 487, 503, 521, 577, 593, 601, 607, 647, 673, 719, 727, 743, 751, 761, 769, 839, 857, 881, 887, 911, 929, 937, 953, 967, 977, 983 ]
[ "nonn" ]
A138141
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 23, 34, 45, 56, 67, 78, 89, 123, 234, 345, 456, 567, 678, 789, 1234, 2345, 3456, 4567, 5678, 6789, 12345, 23456, 34567, 45678, 56789, 123456, 234567, 345678, 456789, 1234567, 2345678, 3456789, 12345678, 23456789, 123456789 ]
[ "base", "easy", "fini", "full", "nonn" ]
A017598
[ 46656, 34012224, 729000000, 5489031744, 24794911296, 82653950016, 225199600704, 531441000000, 1126162419264, 2194972623936, 4001504141376, 6906762437184, 11390625000000, 18075490334784 ]
[ "nonn", "easy" ]
A256259
[ 1, 3, 7, 12, 28, 31, 60, 91, 124, 168, 127, 360, 403, 546, 508, 744, 1170, 1651, 2418, 2880, 2821, 3048, 2047, 4368, 3751, 5952, 9360, 9906, 8188, 12493, 8191, 19344, 15367, 22568, 22506, 24384, 28800, 26611, 39312, 32764, 51181, 59520, 49128, 79248, 99944, 92202, 112320, 116281, 106483, 160797 ]
[ "nonn" ]
A358915
[ 0, 1, 3, 9, 26, 27, 78, 80, 81, 82, 234, 240, 242, 243, 244, 246, 702, 703, 720, 726, 728, 729, 730, 732, 738, 2105, 2106, 2107, 2109, 2160, 2161, 2178, 2184, 2186, 2187, 2188, 2190, 2196, 2213, 2214, 6315, 6317, 6318, 6319, 6321, 6327, 6479, 6480, 6481, 6483 ]
[ "nonn", "base" ]
A210074
[ 252951, 107248254, 44179487805, 18568897568014, 7804233177145593, 3283357676806309000, 1.3814577049574163e+21, 5.812793354757077e+23, 2.44588824550302e+26, 1.0291780681080927e+29 ]
[ "nonn" ]
A047985
[ 19, 29, 38, 43, 53, 58, 67, 76, 86, 87, 89, 101, 103, 106, 116, 134, 137, 139, 149, 151, 152, 157, 163, 172, 174, 178, 197, 202, 203, 206, 211, 212, 227, 229, 232, 233, 247, 261, 267, 268, 269, 271, 274, 277, 278, 283, 293, 298, 302, 303, 304, 307 ]
[ "nonn" ]
A262955
[ 1, 2, 3, 3, 2, 3, 3, 3, 2, 1, 4, 4, 3, 2, 3, 5, 4, 3, 3, 3, 4, 5, 5, 4, 3, 5, 6, 5, 5, 3, 6, 4, 4, 4, 1, 4, 5, 7, 6, 2, 6, 3, 3, 3, 5, 8, 5, 4, 3, 5, 4, 4, 4, 5, 5, 5, 7, 4, 3, 3, 7, 3, 3, 2, 2, 8, 5, 6, 2, 3, 5, 7, 6, 2, 1, 4, 4, 3, 6, 7, 6, 3, 5, 4, 3, 2, 6, 6, 6, 4, 6, 8 ]
[ "nonn" ]
A281232
[ 1, 5, 65, 665, 6665, 66665, 666665, 2857141, 6666665, 66666665, 666666665, 1052631577, 6666666665, 66666666665, 666666666665, 2857142857141, 6666666666665, 11764705882351, 66666666666665, 666666666666665, 6666666666666665, 66666666666666664, 666666666666666600 ]
[ "nonn", "base" ]
A189952
[ 2, 8, 15, 29, 39, 61, 75, 103, 124, 155, 176, 225, 250, 289, 325, 381, 413, 475, 512, 578, 626, 688, 730, 826, 877, 947, 1009, 1095, 1150, 1255, 1317, 1419, 1489, 1578, 1650, 1789, 1862, 1959, 2040, 2176, 2254, 2391, 2476, 2601, 2708, 2831, 2918, 3098, 3197 ]
[ "nonn" ]
A288278
[ 182231849209410, 24325590127655532, 1587135819804394500, 68503375296263490000, 2.2213814178431448e+21, 5.808992089755835e+22, 1.2815378683401789e+24, 2.4605894500188478e+25, 4.20612140517667e+26, 6.512251870890867e+27, 9.25594806233506e+28 ]
[ "nonn" ]
A223548
[ 13, 229, 269, 331, 1036991, 193, 1187, 379, 942381313, 1078717, 1690920279179, 593, 181, 1433, 641, 139, 631, 2622013, 1123, 130337, 223, 155784593, 3746107, 1223, 13791824242727552, 67623587, 853, 299635177, 3966293, 197, 4755811387725363000, 263, 40637, 577 ]
[ "nonn" ]
A118093
[ 1, 15, 165, 1611, 14805, 131307, 1138261, 9713835, 81968469, 685888171, 5702382933, 47168678571, 388580070741, 3190523226795, 26124382262613, 213415462218411, 1740019150443861, 14162920013474476, 115112250539595090, 934419385591442000, 7576722323539318000 ]
[ "nonn" ]
A061227
[ 4, 6, 10, 14, 22, 44, 88, 110, 55, 121, 44, 110, 55, 77, 121, 88, 154, 77, 143, 88, 110, 176, 121, 187, 176, 202, 404, 808, 1010, 424, 848, 262, 868, 1070, 1090, 302, 908, 524, 928, 544, 1150, 362, 382, 584, 988, 1190, 323, 545, 949, 1151, 565, 1171, 383 ]
[ "nonn", "base", "look" ]
A142604
[ 59, 389, 499, 719, 829, 1049, 1489, 1709, 2039, 2699, 3359, 3469, 4019, 4129, 4349, 4679, 4789, 5009, 5119, 5449, 5669, 5779, 6329, 6659, 7649, 7759, 8089, 8419, 8969, 9629, 9739, 10069, 10289, 10399, 10729, 10949, 11059, 11279, 11719, 11939, 12049, 12269 ]
[ "nonn", "easy" ]
A234806
[ 4580009, 7149902, 8120618, 10002309, 10597386, 11333337, 11432756, 11523546, 11979986, 12163356, 12211768, 12435067, 13365800, 13607716, 13623296, 13735746, 14258240, 14283555, 14655652, 14953474, 15256089, 15280497, 15439405, 15484096, 15634915, 15713217, 15788008, 16102082, 16298842, 16344160, 16408551, 16409633, 16429113, 16609090, 17077745, 17185900, 17204608, 17281267, 17314996, 17686525, 17786822, 17846853, 17925417, 18132365, 18321773, 18691881, 18740435, 19197304, 19334290, 19492181, 19976597, 20034275, 20076671, 20229660, 20266189, 20463382, 20567041, 20602671, 20647876, 20814650, 20882660, 21049227, 21074845, 21090890 ]
[ "nonn" ]
A270747
[ 2, 2, 1, 2, 2, 1, 3, 7, 71, 3131, 5821925, 14364035515947, 4.513972011440153e+26, 8.802032807377755e+52, 4.344173888544359e+105 ]
[ "nonn", "easy" ]
A033934
[ 4, 121, 10201, 1002001, 100020001, 10000200001, 1000002000001, 100000020000001, 10000000200000000, 1000000002000000000, 100000000020000000000, 1.00000000002e+22, 1.000000000002e+24, 1.0000000000002e+26, 1.00000000000002e+28 ]
[ "nonn", "base", "easy" ]
A245348
[ 1, 1, 1, 4, 3, 2, 27, 15, 8, 4, 256, 112, 50, 22, 10, 3125, 1125, 430, 166, 66, 26, 46656, 14256, 4752, 1626, 576, 206, 76, 823543, 218491, 64484, 19768, 6310, 2054, 688, 232, 16777216, 3932160, 1040384, 288512, 83736, 24952, 7660, 2388, 764 ]
[ "nonn", "tabl" ]
A032720
[ 0, 1, 3, 4, 6, 9, 13, 16, 18, 21, 25, 30, 34, 40, 45, 46, 51, 52, 54, 55, 60, 61, 63, 67, 69, 72, 76, 79, 84, 87, 90, 91, 94, 96, 114, 117, 123, 124, 126, 127, 130, 132, 133, 135, 138, 139, 147, 151, 154, 156, 160, 162, 165, 166, 168, 172, 181, 184, 190, 195 ]
[ "nonn", "base" ]
A081038
[ 1, 5, 21, 81, 297, 1053, 3645, 12393, 41553, 137781, 452709, 1476225, 4782969, 15411789, 49424013, 157837977, 502211745, 1592728677, 5036466357, 15884240049, 49977243081, 156905298045, 491636600541, 1537671920841 ]
[ "easy", "nonn" ]
A327928
[ 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 2, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0 ]
[ "nonn" ]
A287161
[ 1, 7, 11, 13, 14, 20, 22, 23, 27, 28, 31, 37, 41, 43, 44, 48, 49, 52, 58, 60, 61, 64, 70, 71, 77, 81, 83, 84, 90, 92, 93, 97, 98, 101, 107, 109, 110, 113, 119, 120, 126, 130, 132, 133, 137, 138, 141, 147, 148, 154, 158, 160, 161, 164, 170, 174, 176, 177, 183 ]
[ "nonn", "easy" ]
A170644
[ 1, 11, 110, 1100, 11000, 110000, 1100000, 11000000, 110000000, 1100000000, 11000000000, 110000000000, 1100000000000, 11000000000000, 110000000000000, 1100000000000000, 11000000000000000, 110000000000000000 ]
[ "nonn" ]
A348142
[ 1, 6, 3, 60, 78, 9, 120, 7620, 1014, 21, 360, 28920, 967740, 12246, 81, 840, 261720, 6969720, 116136420, 171366, 147, 3360, 1422120 ]
[ "nonn", "tabl", "more" ]
A327485
[ 1, 2, 2, 6, 9, 36, 36, 72, 144, 720, 960, 5760, 14400, 36000, 36000, 252000, 420000, 3360000, 5600000, 16800000, 50400000, 453600000, 567000000, 1701000000, 5953500000, 11907000000, 23814000000, 238140000000, 476280000000, 5239080000000, 5239080000000 ]
[ "nonn" ]
A117234
[ 3, 3, 0, 6, 8, 6, 8, 6, 4, 7, 4, 7, 5, 2, 3, 7, 2, 8, 0, 0, 7, 6, 1, 1, 3, 7, 7, 0, 8, 9, 8, 5, 1, 5, 6, 5, 7, 1, 6, 6, 4, 8, 2, 3, 6, 1, 4, 7, 6, 2, 8, 8, 2, 1, 7, 5, 0, 1, 2, 9, 3, 0, 8, 5, 4, 9, 6, 3, 0, 9, 1, 9, 9, 8, 3, 7, 8, 8, 8, 2, 9, 5, 0, 3, 5, 8, 2, 5, 4, 8, 8, 0, 7, 5, 2, 8, 3, 4, 9, 9, 1, 8, 6, 1, 9 ]
[ "nonn", "cons" ]
A123223
[ 1, 2, 1, 1, 2, 0, 2, 4, 2, 0, 3, 8, 5, 2, 0, 6, 16, 16, 8, 2, 0, 9, 32, 38, 26, 9, 2, 0, 18, 64, 96, 80, 40, 12, 2, 0, 30, 128, 220, 224, 137, 56, 13, 2, 0, 56, 256, 512, 596, 448, 224, 74, 16, 2, 0, 99, 512, 1144, 1536, 1336, 806, 332, 96, 17, 2, 0, 186, 1024, 2560, 3840, 3840 ]
[ "nonn", "tabl" ]
A189645
[ 5, 185, 4277, 107080, 2631821, 64890337, 1598901325, 39401919001, 970964720320, 23927183356745, 589629702461885, 14530053018698288, 358059360274087300, 8823540150072892000, 217435624721745250000, 5.35819524858608e+21 ]
[ "nonn" ]
A213428
[ 6, 10, 12, 60, 72, 168, 174, 190, 204, 230, 290, 300, 396, 536, 628, 948, 972, 990, 1014, 1042, 1050, 1174, 1254, 1324, 1326, 1428, 1566, 1602, 1662, 1684, 1808, 1854, 1866, 1942, 1950, 2070, 2154, 2170, 2206, 2214, 2234, 2332, 2388, 2508, 2660, 2668, 2784 ]
[ "nonn", "easy" ]
A169449
[ 1, 4, 12, 36, 108, 324, 972, 2916, 8748, 26244, 78732, 236196, 708588, 2125764, 6377292, 19131876, 57395628, 172186884, 516560652, 1549681956, 4649045868, 13947137604, 41841412812, 125524238436, 376572715308, 1129718145924 ]
[ "nonn" ]
A182774
[ 1, 3, 4, 6, 8, 9, 11, 13, 14, 16, 17, 19, 21, 22, 24, 26, 27, 29, 30, 32, 34, 35, 37, 39, 40, 42, 44, 45, 47, 48, 50, 52, 53, 55, 57, 58, 60, 61, 63, 65, 66, 68, 70, 71, 73, 74, 76, 78, 79, 81, 83, 84, 86, 88, 89, 91, 92, 94, 96, 97, 99, 101, 102, 104 ]
[ "nonn" ]
A160043
[ 1, 5, 8, 6, 6, 7, 9, 0, 8, 4, 1, 4, 2, 6, 7, 5, 4, 1, 3, 3, 8, 7, 2, 4, 7, 7, 1, 6, 4, 6, 1, 9, 7, 7, 0, 9, 4, 6, 8, 6, 1, 6, 0, 3, 9, 0, 2, 1, 0, 0, 3, 1, 9, 8, 1, 2, 0, 9, 3, 0, 3, 2, 2, 5, 3, 4, 4, 2, 1, 0, 9, 0, 7, 5, 2, 2, 7, 4, 6, 6, 4, 7, 4, 0, 2, 5, 8, 9, 2, 9, 1, 9, 6, 0, 6, 6, 9, 9, 4, 0, 7, 1, 4, 6, 7 ]
[ "cons", "nonn" ]
A273615
[ 329, 518, 566, 662, 732, 741, 777, 804, 806, 876, 921, 998, 1029, 1092, 1236, 1238, 1317, 1497, 1526, 1596, 1812, 1862, 1929, 1988, 2181, 2316, 2604, 2632, 2757, 4204, 4396, 4446, 4684, 5068, 5548, 5782, 5838, 5856, 5928, 5982, 6124, 6126, 6216 ]
[ "nonn" ]
A294923
[ 1, 3, 5, 7, 9, 11, 13, 15, 17, 46, 83, 120, 157, 194, 231, 268, 305, 342, 379, 416, 453, 490, 527, 564, 601, 638, 675, 712, 749, 786, 823, 860, 897, 934, 971, 1008, 1045, 1082, 1119, 1156, 9105, 19792, 51817, 83842, 201253, 318664, 436075, 553486 ]
[ "nonn" ]
A143194
[ 1, 1, 1, 2, 4, 4, 4, 2, 5, 17, 29, 39, 46, 46, 39, 29, 17, 5, 14, 70, 180, 330, 496, 662, 812, 922, 964, 922, 812, 662, 496, 330, 180, 70, 14, 42, 282, 984, 2408, 4668, 7696, 11338, 15442, 19810, 24090, 27798, 30478, 31860, 31860, 30478, 27798, 24090, 19810, 15442, 11338, 7696, 4668, 2408, 984, 282, 42 ]
[ "nonn", "tabf" ]
A087428
[ 2, 6, 4, 4, 14, 15, 7, 9, 24, 11, 32, 33, 13, 15, 46, 16, 52, 19, 19, 61, 22, 24, 75, 77, 78, 28, 28, 86, 99, 34, 36, 105, 40, 114, 41, 124, 43, 45, 136, 46, 146, 49, 149, 150, 56, 59, 58, 58, 176, 181, 61, 191, 66, 199, 69, 204, 71, 212, 213, 76, 234, 79, 79, 239, 252, 86 ]
[ "nonn" ]
A288407
[ 17, 19, 31, 135151, 34459441, 7905853580641, 213458046676891, 3.1983098677287775e+23, 2.5373791335626256e+28, 1.1925681927744342e+30, 1.5795207942839547e+35 ]
[ "nonn" ]
A017872
[ 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 2, 3, 4, 5, 6, 7, 6, 6, 7, 9, 12, 16, 21, 28, 33, 37, 41, 46, 53, 63, 77, 99, 126, 156, 188, 222, 259, 301, 350, 416, 505, 620, 762, 931, 1127, 1351, 1602, 1892, 2241, 2673 ]
[ "nonn", "easy" ]
A109996
[ 23, 47, 53, 59, 71, 83, 89, 107, 131, 139, 149, 167, 179, 191, 223, 227, 239, 251, 263, 269, 293, 311, 317, 347, 349, 359, 383, 389, 419, 431, 439, 449, 461, 467, 479, 491, 503, 509, 557, 569, 571, 587, 593, 599, 607, 619, 643, 647, 659, 683, 701, 719, 727 ]
[ "nonn" ]
A129033
[ 0, 1, 1, 2, 1, 1, 4, 2, 2, 4, 5, 2, 5, 3, 6, 6, 4, 3, 11, 5, 5, 7, 9, 4, 11, 5, 11, 8, 7, 8, 16, 6, 8, 10, 16, 6, 15, 7, 13, 14, 10, 7, 24, 10, 14, 12, 16, 8, 19, 12, 21, 14, 13, 9, 30, 10, 14, 19, 23, 14, 23, 11, 20, 16, 23, 11, 36, 12, 17, 22, 23, 16, 27, 13, 34, 21, 19, 13, 40, 18, 20, 20, 31, 14, 39, 20, 27, 22, 22, 20, 47, 16, 27, 27, 37 ]
[ "nonn" ]
A090444
[ 1, 24, 2880, 1036800, 870912000, 1463132160000, 4424511651840000, 22299538725273600000, 1.766123467041669e+23, 2.098154678845503e+27, 3.600433428898883e+31 ]
[ "nonn", "easy" ]
A290027
[ 0, 0, 3, 102, 900, 5160, 23520, 92736, 330624, 1094400, 3421440, 10222080, 29432832, 82188288, 223641600, 595230720, 1554186240, 3990749184, 10097197056, 25214976000, 62234296320, 151993712640, 367691563008, 881823055872, 2098200576000, 4956409036800 ]
[ "nonn" ]
A078343
[ -1, 2, 3, 8, 19, 46, 111, 268, 647, 1562, 3771, 9104, 21979, 53062, 128103, 309268, 746639, 1802546, 4351731, 10506008, 25363747, 61233502, 147830751, 356895004, 861620759, 2080136522, 5021893803, 12123924128, 29269742059, 70663408246, 170596558551, 411856525348 ]
[ "sign", "easy" ]
A033462
[ 1, 1, 5, 22, 125, 836, 6277, 52396, 479593, 4757680, 50738921, 577894604, 6990138685, 89376020800, 1203182518189, 16995248375116, 251135780602193, 3871961504546624, 62141329025501900, 1035979079450355600, 17907209511611406000, 320387246623657400000, 5.924125441456047e+21 ]
[ "nonn" ]
A382940
[ 1, -2, -3, 4, -5, 6, -7, 8, 9, 10, -11, 0, -13, 14, 15, 0, -17, 0, -19, 0, 21, 22, -23, 0, 25, 26, 27, 0, -29, -30, -31, 32, 33, 34, 35, -36, -37, 38, 39, 0, -41, -42, -43, 0, 0, 46, -47, 0, 49, 0, 51, 0, -53, 0, 55, 0, 57, 58, -59, 0, -61, 62, 0, -64, 65, -66 ]
[ "sign" ]
A186484
[ 625, 419, 419, 3265, 839, 3265, 3335, 1715, 1715, 3335, 17608, 5879, 17015, 5879, 17608, 19617, 10259, 15061, 15061, 10259, 19617, 89163, 28628, 89650, 64680, 89650, 28628, 89163, 110707, 53045, 85269, 100789, 100789, 85269, 53045, 110707, 459455 ]
[ "nonn", "tabl" ]
A032777
[ 0, 1120, 8247, 34892, 110880, 293505, 682787, 1441440, 2820208, 5189184, 9075733, 15209677, 24576340, 38478109, 58605120, 87115718, 126727310, 180818236, 253541302, 349949600, 476135234, 639381600, 848329835 ]
[ "nonn" ]
A015516
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "sign" ]
A109575
[ 0, 1, -24, 864, -41280, 2465280, -176670720, 14770990080, -1411388375040, 151717608161280, -18121032076492800, 2380798038166733000, -341232779553826400000, 5.298354808205083e+22, -8.85963877446169e+24, 1.5872824554976484e+27 ]
[ "sign" ]
A280100
[ 1, 32, 12288, 21233664, 108716359680, 1304596316160000, 31560794080542720000, 1.3856451033121476e+24, 1.0216084217699802e+29, 1.1916040631525049e+34, 2.0972231511484085e+39 ]
[ "nonn", "easy" ]
A388663
[ 9, 5, 6, 7, 0, 2, 0, 5, 2, 3, 6, 0, 2, 3, 2, 7, 3, 0, 5, 4, 3, 8, 9, 4, 0, 5, 5, 9, 9, 7, 0, 3, 1, 9, 3, 3, 3, 7, 7, 9, 0, 9, 3, 8, 0, 3, 3, 0, 9, 9, 3, 1, 1, 5, 2, 1, 0, 0, 9, 1, 6, 3, 2, 1, 3, 7, 6, 7, 5, 1, 1, 1, 0, 4, 5, 7, 1, 3, 2, 3, 2, 5, 0, 2, 4, 7, 4 ]
[ "nonn", "cons" ]
A174008
[ 2, 7, 11, 15, 21, 25, 31, 35, 41, 49, 53, 61, 67, 71, 77, 85, 93, 97, 105, 111, 115, 123, 129, 137, 147, 153, 157, 163, 167, 173, 189, 195, 203, 207, 219, 223, 231, 239, 245, 253, 261, 265, 277, 281, 287, 291, 305, 319, 325, 329, 335, 343, 347, 359, 367, 375 ]
[ "nonn", "easy", "less" ]
A169115
[ 1, 6, 30, 150, 750, 3750, 18750, 93750, 468750, 2343750, 11718750, 58593750, 292968750, 1464843750, 7324218750, 36621093750, 183105468750, 915527343750, 4577636718750, 22888183593750, 114440917968750, 572204589843750 ]
[ "nonn" ]
A367155
[ 1, 1, 5, 56, 948, 21804, 634284, 22348584, 925322784, 44039346264, 2369167375656, 142173632632272, 9416315321258928, 682290228636729500, 53689645309437170000, 4.5596605913481153e+21, 4.156831404007073e+23, 4.049050009157501e+25 ]
[ "nonn" ]
A255543
[ 2, 4, 5, 6, 11, 19, 8, 17, 39, 27, 10, 23, 61, 57, 45, 12, 29, 81, 91, 97, 55, 14, 35, 103, 121, 147, 117, 85, 16, 41, 123, 153, 199, 181, 177, 109, 18, 47, 145, 183, 253, 243, 277, 225, 139, 20, 53, 165, 217, 301, 315, 369, 345, 295, 157, 22, 59, 187, 247, 351, 379, 471, 465, 447, 325, 175, 24, 65, 207, 279, 403, 441, 567, 589, 603, 493, 381, 213 ]
[ "nonn", "tabl" ]
A023934
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 46, 0, 0, 0, 0, 0, 0, 0, 0, 0, 506, 0, 506, 0, 0, 0, 0, 0, 0, 3542, 0, 0, 0, 10626, 0, 0, 0, 17710, 0, 0, 0, 0, 0, 70886, 67298, 53130, 0, 0, 0, 0, 201894, 0, 337502, 0, 0, 490314, 673992, 0, 0, 980628, 1221990, 0, 1634380, 0 ]
[ "nonn" ]
A112834
[ 1, 1, 1, 2, 3, 8, 19, 76, 263, 1584, 8199, 73272, 566401, 7555072, 87000289, 1730799376, 29728075177, 881736342784, 22583659690665, 998900331837728, 38149790451459860, 2516220411436892000, 143302702816187040000 ]
[ "nonn" ]
A081875
[ 1, 4, 12, 40, 130, 480, 1722, 6480, 24336, 92520, 352726, 1352640, 5200312, 20060040, 77559060, 300546720, 1166803126, 4537592928, 17672631918, 68923357200, 269128940724, 1052049834616, 4116715363822, 16123803207552 ]
[ "easy", "nonn" ]
A039371
[ 17, 73, 89, 107, 116, 125, 134, 143, 152, 153, 155, 156, 157, 158, 159, 160, 179, 235, 260, 316, 341, 397, 422, 478, 503, 559, 584, 640, 649, 657, 659, 660, 661, 662, 663, 664, 667, 676, 685, 694, 703, 712, 737, 755, 764, 773, 782, 791, 800, 801, 803, 804 ]
[ "nonn", "base", "easy" ]
A381078
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 2, 1, 2, 1, 2, 1, 5, 1, 1, 2, 2, 2, 3, 1, 2, 2, 2, 1, 5, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 6, 1, 2, 2, 1, 2, 5, 1, 2, 2, 5, 1, 3, 1, 2, 2, 2, 2, 5, 1, 2, 1, 2, 1, 6, 2, 2, 2 ]
[ "nonn" ]
A330799
[ 1, 3, 13, 59, 285, 1419, 7245, 37659, 198589, 1059371, 5705517, 30976571, 169338781, 931239243, 5147825421, 28587660123, 159406327677, 892113040491, 5009160335085, 28210229053563, 159304938535773, 901845743050635, 5117144607546573, 29096321095698844, 165765778648482620 ]
[ "nonn" ]
A075692
[ 1, 1, 2, 4, 5, 7, 9, 11, 13, 15 ]
[ "nonn", "more" ]
A233005
[ 1, 1, 3, 7, 22, 78, 315, 1417, 7087, 38981, 233887, 1520268, 10641881, 79814109, 638512875, 5427359437, 48846234937, 464039231906, 4640392319062, 48724119350156, 535965312851718, 6163601097794765, 73963213173537180, 924540164669214800, 12019022140699793000 ]
[ "nonn" ]
A213522
[ 2, 11, 29, 37, 127, 149, 211, 223, 307, 331, 541, 1361, 1693, 1973, 2203, 2503, 2999, 3299, 4327, 4861, 5623, 5779, 5981, 6521, 6947, 7283, 8501, 9587, 10007, 10831, 11777, 15727, 19661, 31469, 34123, 35671, 35729, 43391, 44351, 45943, 48731, 58889, 59333 ]
[ "nonn" ]
A254494
[ 114880, 2520832, 50028672, 1018596736, 20365586688, 410218207872, 8153154979328, 162063119050112, 3212390841829632, 63739082154797180, 1262171199650792400, 24992983054334976000, 494505919058516600000 ]
[ "nonn" ]
A035455
[ 0, 1, 0, 2, 0, 2, 0, 3, 0, 4, 0, 6, 0, 7, 0, 9, 0, 11, 0, 15, 0, 18, 0, 23, 0, 27, 0, 34, 0, 41, 0, 50, 0, 59, 0, 72, 0, 85, 0, 103, 0, 120, 0, 143, 0, 167, 0, 198, 0, 230, 0, 270, 0, 313, 0, 366, 0, 422, 0, 491, 0, 564, 0, 653, 0, 748, 0, 861, 0, 984, 0, 1130, 0, 1287, 0, 1471, 0 ]
[ "nonn" ]
A298870
[ 3, 9, 13, 18, 23, 30, 35, 39, 44, 49, 55, 62, 65, 69, 75, 80, 84, 88, 97, 102, 108, 112, 116, 123, 129, 132, 138, 143, 145, 150, 155, 162, 169, 175, 179, 183, 187, 193, 199, 204, 211, 218, 225, 228, 231, 235, 240, 246, 249, 255, 259, 263, 270, 277, 282, 288 ]
[ "nonn", "easy" ]