Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A317420
[ 0, 1, 1, 2, 3, 2, 2, 3, 2, 5, 5, 5, 9, 6, 6, 5, 2, 4, 3, 3, 8, 8, 8, 8, 5, 8, 7, 9, 6, 5, 4, 6, 5, 5, 7, 11, 8, 7, 8, 7, 13, 10, 15, 16, 16, 18, 14, 9, 15, 15, 11, 14, 11, 12, 13, 14, 12, 17, 16, 18, 18, 14, 16, 15, 18, 14, 17, 14, 16, 17, 15, 17, 18, 17, 18 ]
[ "nonn", "base" ]
A012671
[ 2, 232, 405152, 3115956352, 68413355397632, 3412444856961083400, 3.3465036740978174e+23, 5.833703259990577e+28, 1.6778439915509995e+34, 7.51773171716906e+39 ]
[ "nonn" ]
A149455
[ 1, 1, 4, 13, 50, 182, 712, 2711, 10672, 41470, 164102, 644580, 2557808, 10108272, 40194806, 159440027, 634857536, 2524253822, 10061284624, 40067909864, 159820748482, 637157976526, 2542888042852, 10145529835268, 40507851460434, 161706752889040, 645859214596938, 2579323889200758 ]
[ "nonn", "walk" ]
A334882
[ 28, 304, 306, 340, 460, 462, 858, 868, 1482, 1768, 1974, 2440, 2728, 2838, 2860, 3318, 3738, 4134, 4264, 4288, 4420, 4422, 5236, 5694, 6100, 6102, 7590, 8814, 9040, 9042, 10218, 11128, 11620, 11778, 12558, 12978, 13110, 14320, 14382, 14670, 15568, 16048, 16110 ]
[ "nonn" ]
A083829
[ 1, 2, 7, 77, 141, 151, 161, 242, 252, 262, 777, 7777, 14041, 14141, 14241, 15051, 15151, 15251, 16061, 16161, 16261, 24042, 24142, 24242, 25052, 25152, 25252, 26062, 26162, 26262, 77777, 777777, 1404041, 1405041, 1406041, 1414141, 1415141 ]
[ "base", "nonn" ]
A217983
[ 1, 2, 3, 2, 1, 1, 1, 2, 3, 5, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 13, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn" ]
A360058
[ 1, 2, 2, 2, 3, 3, 2, 4, 5, 0, 4, 13, -7, -7, 48, -16, -93, 180, 74, -584, 517, 1111, -2850, 207, 8281, -10738, -11740, 46967, -22167, -115845, 211052, 94468, -766989, 660110, 1554938, -3983408, 121429, 12272689, -15692006, -18841086, 72792247, -31828764 ]
[ "sign" ]
A363504
[ 1, 2, 4, 3, 6, 9, 12, 5, 8, 10, 15, 18, 20, 25, 21, 24, 7, 14, 27, 30, 35, 33, 36, 28, 40, 42, 45, 50, 55, 39, 48, 11, 16, 49, 51, 54, 56, 63, 60, 70, 65, 57, 66, 75, 80, 22, 69, 72, 44, 85, 78, 90, 77, 81, 84, 91, 87, 93, 96, 13, 26, 99, 95, 102, 100, 98, 105, 110, 115, 108, 88, 112, 121, 111 ]
[ "nonn" ]
A016309
[ 1, 20, 292, 3824, 47824, 585536, 7096384, 85576448, 1029436672, 12368356352, 148510974976, 1782675894272, 21395375902720, 256764101869568, 3081286768672768, 36976146501533700, 443717989683232800 ]
[ "nonn", "easy" ]
A115295
[ 1, 17, 66, 130, 194, 258, 322, 386, 450, 514, 578, 642, 706, 770, 834, 898, 962, 1026, 1090, 1154, 1218, 1282, 1346, 1410, 1474, 1538, 1602, 1666, 1730, 1794, 1858, 1922, 1986, 2050, 2114, 2178, 2242, 2306, 2370, 2434, 2498, 2562, 2626, 2690, 2754, 2818 ]
[ "easy", "nonn" ]
A046517
[ 2677889, 2677898, 2677988, 2678789, 2678798, 2678879, 2678897, 2678978, 2678987, 2679788, 2679878, 2679887, 2687789, 2687798, 2687879, 2687897, 2687978, 2687987, 2688779, 2688797, 2688977, 2689778, 2689787, 2689877 ]
[ "nonn", "base" ]
A336555
[ 45, 63, 75, 99, 117, 126, 144, 147, 150, 153, 171, 175, 198, 207, 216, 242, 245, 250, 252, 261, 275, 279, 294, 300, 315, 325, 333, 342, 350, 363, 369, 387, 396, 405, 414, 423, 425, 475, 477, 495, 504, 507, 525, 531, 539, 549, 550, 558, 567, 575, 585, 588, 600, 603, 605, 612, 630, 637, 639, 657, 675, 684, 693, 700, 711 ]
[ "nonn" ]
A022358
[ 0, 24, 24, 48, 72, 120, 192, 312, 504, 816, 1320, 2136, 3456, 5592, 9048, 14640, 23688, 38328, 62016, 100344, 162360, 262704, 425064, 687768, 1112832, 1800600, 2913432, 4714032, 7627464, 12341496 ]
[ "nonn" ]
A201464
[ 6, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 82, 91, 93, 95, 106, 118, 119, 122, 123, 133, 145, 155, 159, 161, 183, 187, 202, 213, 265, 287, 295, 299, 319, 355, 393, 413, 453, 497, 505, 583, 671, 835, 917, 1057, 1169, 1313, 1438, 1441, 1837, 1963, 3595, 5033, 7909 ]
[ "nonn", "fini", "full" ]
A337186
[ 1, 1, 2, 3, 6, 14, 36, 101, 308, 1013, 3562, 13300, 52482, 218045, 950614, 4335563, 20628882, 102153978, 525383324, 2801105889, 15455435864, 88117352141, 518391612686, 3142762585120, 19611454375090, 125829007917417, 829254498014570, 5608225148263459 ]
[ "nonn" ]
A358372
[ 1, 2, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 7, 7, 7, 7, 6, 7, 7, 7, 7, 7, 7, 7, 6, 6, 7, 7, 7, 7, 7, 7, 6, 7, 7, 7, 7, 7, 7, 7, 5, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 7, 7, 8, 8, 8, 8, 8 ]
[ "nonn" ]
A189809
[ 46, 158, 342, 596, 926, 1308, 1754, 2250, 2794, 3390, 4026, 4702, 5426, 6190, 6994, 7838, 8726, 9654, 10622, 11630, 12678, 13766, 14894, 16062, 17270, 18518, 19806, 21134, 22502, 23910, 25358, 26846, 28374, 29942, 31550, 33198, 34886, 36614, 38382 ]
[ "nonn" ]
A330556
[ 0, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 3, 4, 4, 4, 3, 3, 4, 3, 3, 4, 4, 4, 5, 5, 5, 6, 7, 7, 7, 6, 6, 7, 8, 8, 8, 7, 7, 8, 8, 8, 7, 7, 7, 7, 6, 6, 7, 6, 6, 7, 6, 6, 7, 7, 7, 7, 7, 7, 7, 6, 6, 7, 7, 7, 8, 9, 9, 9, 9, 9, 10, 11, 11, 11, 12, 12, 12, 11, 11, 12, 12, 12, 13, 13, 13 ]
[ "nonn" ]
A212983
[ 1, 5, 15, 33, 62, 104, 162, 238, 335, 455, 601, 775, 980, 1218, 1492, 1804, 2157, 2553, 2995, 3485, 4026, 4620, 5270, 5978, 6747, 7579, 8477, 9443, 10480, 11590, 12776, 14040, 15385, 16813, 18327, 19929, 21622, 23408, 25290, 27270, 29351 ]
[ "nonn", "easy" ]
A131761
[ 0, 1, 2, 3, 5, 6, 9, 19, 30, 51, 101, 150, 249, 499, 750, 1251, 2501, 3750, 6249, 12499, 18750, 31251, 62501, 93750, 156249, 312499, 468750, 781251, 1562501, 2343750, 3906249, 7812499, 11718750, 19531251, 39062501, 58593750, 97656249, 195312499, 292968750 ]
[ "nonn", "easy" ]
A069327
[ 1, 49, 1632, 46557, 1225194, 30754544, 749866185, 17950397258, 424660442975, 9969967594443, 232909647253690, 5423397612311731, 126017939209370350, 2924071505958808600, 67786971099219350000, 1.5705197815734314e+21 ]
[ "nonn" ]
A314316
[ 1, 5, 7, 13, 15, 22, 25, 34, 35, 42, 43, 50, 55, 62, 63, 70, 69, 80, 81, 92, 87, 100, 93, 110, 107, 122, 113, 128, 119, 138, 135, 150, 139, 156, 145, 168, 161, 180, 163, 186, 169, 198, 187, 210, 189, 214, 195, 226, 215, 238 ]
[ "nonn" ]
A072690
[ 0, 2, 2, 0, 4, 6, 6, 4, 0, 6, 10, 12, 12, 10, 6, 0, 8, 14, 18, 20, 20, 18, 14, 8, 0, 10, 18, 24, 28, 30, 30, 28, 24, 18, 10, 0, 12, 22, 30, 36, 40, 42, 42, 40, 36, 30, 22, 12, 0, 14, 26, 36, 44, 50, 54, 56, 56, 54, 50, 44, 36, 26, 14, 0, 16, 30, 42, 52, 60, 66, 70, 72, 72, 70, 66 ]
[ "nonn" ]
A073212
[ 5, 8, 5, 9, 7, 17, 3, 14, 7, 11, 9, 13, 18, 7, 13, 8, 4, 6, 13, 7, 12, 2, 8, 12, 10, 7, 15, 4, 5, 12, 11, 11, 6, 4, 12, 17, 11, 8, 14, 14, 3, 10, 16, 3, 18, 12, 9, 16, 14, 10, 5, 14, 13, 9, 4, 18, 13, 10, 18, 10, 11, 11, 11, 9, 10, 2, 11, 8, 8, 12, 10, 3, 6, 5 ]
[ "easy", "nonn", "base" ]
A152460
[ 3, 5, 11, 13, 17, 23, 29, 31, 37, 43, 47, 59, 67, 71, 97, 101, 103, 107, 109, 113, 137, 149, 157, 181, 197, 229, 233, 239, 251, 263, 269, 271, 281, 283, 307, 311, 313, 331, 347, 349, 353, 359, 367, 383, 431, 467, 503, 523, 563, 571, 587, 607, 643, 647, 683, 691 ]
[ "nonn" ]
A127587
[ 2, 1, 0, 0, 1, 0, 1, 0, 4, 6, 4, 2, 1, 0, 4, 3, 1, 0, 1, 0, 13, 6, 25, 12, 38, 21, 10, 15, 7, 3, 1, 0, 4, 5, 2, 23, 11, 5, 2, 24, 23, 11, 5, 2, 13, 6, 19, 9, 4, 18, 10, 20, 19, 9, 4, 2, 31, 15, 7, 3, 1, 0, 11, 5, 2, 66, 62, 42, 62, 39, 19, 9, 4, 14, 11, 5, 2, 54, 46, 29, 14, 29, 14, 63, 31, 15, 7 ]
[ "nonn" ]
A170024
[ 1, 15, 210, 2940, 41160, 576240, 8067360, 112943040, 1581202560, 22136835840, 309915701760, 4338819824640, 60743477544960, 850408685629440, 11905721598812160, 166680102383370240, 2333521433367183400 ]
[ "nonn" ]
A217400
[ 7, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742 ]
[ "nonn", "base", "easy" ]
A247354
[ 0, 1, 0, 2, 2, 5, 10, 17, 38, 66, 138, 257, 508, 981, 1900, 3702, 7154, 13925, 26966, 52381, 101594, 197150, 382578, 742257, 1440440, 2794777, 5423256, 10522954, 20418882, 39620597, 76879298, 149176601, 289460206, 561667802, 1089854522, 2114747217 ]
[ "nonn", "easy" ]
A159187
[ 1, 50, 1584, 41333, 978688, 22038748, 484376036, 10552353342 ]
[ "nonn" ]
A233471
[ 0, 1, 0, 1, 18, 9, 31, 33, 0, 49, 3, 81, 146, 177, 207, 65, 224, 81, 307, 1, 342, 9, 118, 225, 68, 529, 0, 753, 467, 549, 623, 641, 27, 757, 607, 81, 632, 389, 846, 801, 905, 981, 261, 81, 243, 1757, 1554, 2241, 2383, 249, 792, 1329, 851, 729, 1332, 2529, 1737, 2793, 298 ]
[ "nonn", "easy" ]
A298476
[ 1, 2, 37, 203, 1332, 13428, 160884, 858740, 10295924, 54958708, 658938484, 3517356660 ]
[ "nonn", "base", "more" ]
A147942
[ 1, 2, 6, 16, 74, 304, 1424, 7946, 39908, 231442, 1351720, 9447558, 67300148, 488187450, 4266438488, 36066619444 ]
[ "nonn" ]
A215083
[ 0, 0, 1, 0, 1, 5, 0, 1, 9, 36, 0, 1, 17, 98, 354, 0, 1, 33, 276, 1300, 4425, 0, 1, 65, 794, 4890, 20515, 67171, 0, 1, 129, 2316, 18700, 96825, 376761, 1200304, 0, 1, 257, 6818, 72354, 462979, 2142595, 7907396, 24684612, 0, 1, 513, 20196, 282340, 2235465, 12313161, 52666768, 186884496, 574304985, 0, 1, 1025, 60074, 1108650, 10874275, 71340451, 353815700, 1427557524, 4914341925, 14914341925 ]
[ "nonn", "tabl" ]
A324853
[ 1, 2, 6, 30, 330, 4290, 60060, 1021020, 29609580, 917896980, 33962188260, 1290563153880, 52913089309080, 2275262840290440, 106937353493650690, 6309303856125390000, 422723358360401150000, 3.001335844358848e+22, 2.190975166381959e+24 ]
[ "nonn", "more" ]
A185000
[ 11, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111, 1101, 11100, 1110, 111 ]
[ "nonn" ]
A120294
[ 2, 5, 1, 17, 13, 37, 1, 1, 41, 101, 61, 29, 1, 197, 113, 257, 1, 1, 181, 401, 1, 97, 53, 577, 313, 677, 73, 157, 421, 1, 1, 1, 109, 89, 613, 1297, 137, 1, 761, 1601 ]
[ "frac", "nonn" ]
A037740
[ 2, 15, 108, 756, 5294, 37059, 259416, 1815912, 12711386, 88979703, 622857924, 4360005468, 30520038278, 213640267947, 1495481875632, 10468373129424, 73278611905970, 512950283341791, 3590651983392540 ]
[ "nonn", "base", "easy" ]
A106824
[ 1, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 2, 3, 1, 3, 2, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1 ]
[ "nonn", "easy" ]
A260909
[ 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 4, 4, 32, 2, 32, 32, 64, 64, 256, 256, 512, 128, 512, 1024, 2048, 1024, 4096, 16384, 32768, 1024, 4096, 32768, 262144, 131072, 524288, 524288, 4194304, 2097152, 16777216, 33554432, 67108864, 33554432, 268435456, 268435456 ]
[ "nonn" ]
A024346
[ 1, 27, 484, 7266, 98959, 1269177, 15642586, 187539120, 2204181925, 25529358855, 292445725936, 3321943348542, 37489352241979, 420930326166741, 4707254688375814, 52473555698990420, 583456285162491600 ]
[ "nonn", "easy" ]
A141444
[ 1, 1, 9, 17, 309, 1265, 48927, 435807, 36527739, 709448287, 129684847323, 5504589599263, 2200548059561679, 204460755826652740 ]
[ "nonn" ]
A209265
[ 1, 28, 1537, 21322, 145633, 659176, 2284273, 6565462, 16434817, 36993268, 76543201, 147907618, 270071137, 470178112, 785923153, 1268369326, 1985229313, 3024644812, 4499499457, 6552300538, 9360664801, 13143443608, 18167522737 ]
[ "nonn", "easy" ]
A024229
[ 0, 1, -2, 19, -1572, -24763, -5174758, -230357353, -45947071688, -3138700558071, -787255563055690, -40961532387015784, -13644908739614624000, 5.015831039379054e+21, 1.9100189901501656e+24, 1.8566167394801273e+27, 8.928014827765351e+29 ]
[ "sign" ]
A136644
[ 1, 1, -1, -1, -2, 1, -3, 1, 3, -1, -1, 8, 0, -4, 1, 5, 7, -14, -2, 5, -1, 7, -14, -21, 20, 5, -6, 1, -3, -35, 21, 45, -25, -9, 7, -1, -17, -4, 98, -16, -80, 28, 14, -8, 1, -11, 83, 60, -204, -14, 126, -28, -20, 9, -1, 23, 102, -219, -232, 350, 84, -182, 24, 27, -10, 1 ]
[ "uned", "tabl", "sign" ]
A370286
[ 1, 3, 17, 102, 645, 4193, 27764, 186231, 1261213, 8604759, 59053167, 407217396, 2819252544, 19583729766, 136426565999, 952743556907, 6667916884701, 46755146944959, 328398159653117, 2310073990369926, 16271915501598596, 114757849228310350 ]
[ "nonn" ]
A234170
[ 448, 4536, 47936, 517104, 5630848, 61624416, 675750656, 7420655424, 81506779648, 895774029696, 9842817944576, 108194841049344, 1188960811214848, 13069954464677376, 143629781032349700, 1578903606956196900 ]
[ "nonn" ]
A215883
[ 0, 1, 1, 1, 0, 2, 2, 2, 0, 2, 2, 2, 0, 2, 2, 2, 0, 1, 1, 1, 0, 3, 3, 3, 0, 3, 3, 3, 0, 3, 3, 3, 0, 1, 1, 1, 0, 3, 3, 3, 0, 3, 3, 3, 0, 3, 3, 3, 0, 1, 1, 1, 0, 3, 3, 3, 0, 3, 3, 3, 0, 3, 3, 3, 0, 1, 1, 1, 0, 2, 2, 2, 0, 2, 2, 2, 0, 2, 2, 2, 0, 1, 1, 1, 0, 4, 4 ]
[ "nonn", "base" ]
A311729
[ 1, 4, 8, 13, 16, 22, 26, 30, 33, 38, 42, 46, 46, 56, 57, 66, 64, 76, 74, 85, 80, 92, 88, 98, 96, 105, 106, 116, 118, 124, 127, 132, 136, 138, 140, 146, 149, 154, 156, 166, 168, 177, 174, 186, 182, 192, 188, 199, 196, 208 ]
[ "nonn" ]
A093139
[ 7, 17, 1117, 11117, 11111117, 1.1111111111111111e+22, 1.1111111111111112e+28, 1.1111111111111112e+39 ]
[ "nonn" ]
A191351
[ 1, 0, 2, 9, 8, 130, 1134, -252, 29504, 447480, -1837800, 14172840, 471846792, -4864408848, 14099478288, 1166776034760, -18687216197760, 31767501808320, 5630793922569024, -113411010324632830, 156669582211562880 ]
[ "sign" ]
A097252
[ 0, 5, 30, 35, 180, 185, 210, 215, 1080, 1085, 1110, 1115, 1260, 1265, 1290, 1295, 6480, 6485, 6510, 6515, 6660, 6665, 6690, 6695, 7560, 7565, 7590, 7595, 7740, 7745, 7770, 7775, 38880, 38885, 38910, 38915, 39060, 39065, 39090, 39095, 39960, 39965, 39990, 39995 ]
[ "nonn", "base", "changed" ]
A032981
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 21, 22, 23, 32, 33, 34, 43, 44, 45, 54, 55, 56, 65, 66, 67, 76, 77, 78, 87, 88, 89, 98, 99, 100, 101, 110, 111, 112, 121, 122, 123, 210, 211, 212, 221, 222, 223, 232, 233, 234, 321, 322, 323, 332, 333, 334, 343, 344, 345 ]
[ "nonn", "base" ]
A085157
[ 1, 1, 2, 3, 4, 5, 6, 14, 24, 36, 50, 66, 168, 312, 504, 750, 1056, 2856, 5616, 9576, 15000, 22176, 62832, 129168, 229824, 375000, 576576, 1696464, 3616704, 6664896, 11250000, 17873856, 54286848, 119351232, 226606464, 393750000, 643458816 ]
[ "nonn", "changed" ]
A179914
[ 1733, 1973, 2113, 2137, 2237, 2311, 2347, 2371, 2713, 2719, 2837, 2953, 2971, 3373, 3673, 3719, 3733, 3739, 4337, 4373, 4397, 4673, 5231, 5233, 5347, 5479, 6131, 6197, 6317, 6733, 6737, 7193, 7331, 7523, 8237, 8317, 8537, 9719, 10313, 10337, 10937 ]
[ "base", "nonn" ]
A219254
[ 0, 0, 0, 0, 0, 1, 1, 2, 1, 2, 1, 2, 3, 2, 1, 4, 2, 2, 2, 3, 2, 2, 2, 2, 4, 4, 1, 4, 4, 3, 3, 3, 3, 3, 3, 4, 4, 5, 0, 5, 7, 3, 3, 6, 3, 5, 3, 5, 4, 6, 2, 3, 6, 2, 5, 6, 3, 5, 5, 4, 6, 6, 3, 5, 7, 3, 4, 8, 3, 5, 5, 3, 4, 7, 3, 6, 6, 5, 5, 8, 4, 3, 8, 4, 5, 8, 1 ]
[ "nonn" ]
A009982
[ 1, 38, 1444, 54872, 2085136, 79235168, 3010936384, 114415582592, 4347792138496, 165216101262848, 6278211847988224, 238572050223552500, 9065737908494995000, 344498040522809800000, 1.3090925539866773e+22, 4.974551705149374e+23, 1.890329647956762e+25 ]
[ "nonn", "easy" ]
A242345
[ 0, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 2, 2, 1, 4, 4, 7, 1, 2, 1, 1, 1, 6, 4, 1, 4, 2, 6, 3, 7, 1, 3, 7, 4, 6, 1, 5, 6, 9, 12, 7, 5, 6, 4, 11, 2, 3, 6, 12, 6, 18, 13, 3, 14, 13, 14, 15, 4, 9, 6, 3, 13, 8, 12, 5, 12, 6, 6, 20, 8, 14, 19, 8, 5, 5, 22, 20, 6, 18, 6 ]
[ "nonn" ]
A175047
[ 1, 4, 3, 8, 9, 12, 7, 16, 17, 36, 19, 24, 25, 28, 15, 32, 33, 68, 35, 72, 73, 76, 39, 48, 49, 100, 51, 56, 57, 60, 31, 64, 65, 132, 67, 136, 137, 140, 71, 144, 145, 292, 147, 152, 153, 156, 79, 96, 97, 196, 99, 200, 201, 204, 103, 112, 113, 228, 115, 120, 121, 124, 63, 128 ]
[ "base", "nonn" ]
A022909
[ 0, 2, 1, 0, 0, 0, 1, 2, 3, 1, 0, 0, 1, 2, 3, 3, 2, 0, 3, 5, 5, 4, 4, 3, 4, 6, 7, 5, 4, 4, 5, 6, 7, 6, 5, 4, 6, 7, 8, 7, 6, 5, 7, 8, 9, 7, 6, 6, 7, 8, 9, 9, 8, 6, 9, 10, 9, 8, 8, 8, 9, 11, 10, 9, 8, 8, 9, 10, 11, 10, 9, 8, 10, 11, 11, 10, 10, 9, 11, 12, 12, 10, 9, 9, 10, 11, 12, 12, 11, 9 ]
[ "nonn" ]
A281637
[ 1, 11, 11, 1011, 11011, 1011, 111011, 11001011, 1111011, 101001011, 11111111011, 11101001011, 1000111111011, 11010001001011, 11110111111011, 1000010101001011, 11001111111111012, 11100010001001012, 1001101110111111000, 11100101010101000000, 111111111111111000 ]
[ "nonn", "easy" ]
A017261
[ 32768, 1419857, 11881376, 52521875, 164916224, 418195493, 916132832, 1804229351, 3276800000, 5584059449, 9039207968, 14025517307, 21003416576, 30517578125, 43204003424, 59797108943, 81136812032 ]
[ "nonn", "easy" ]
A359737
[ 0, 12, 10, 4, 1, 17, 6, 7, 41, 27, 48, 25, 9, 11, 62, 30, 42, 15, 26, 43, 14, 20, 28, 19, 16, 2, 38, 23, 22, 29, 32, 40, 51, 18, 33, 59, 36, 3, 53, 47, 35, 46, 54, 49, 57, 24, 63, 87, 31, 91, 111, 64, 37, 113, 5, 39, 56, 88, 81, 52, 58, 50, 80, 86, 61, 92, 60, 141, 85, 82, 147 ]
[ "nonn", "base" ]
A009124
[ 1, 0, 1, -3, 16, -90, 616, -4893, 44416, -453540, 5145856, -64222983, 874402816, -12897183390, 204862698496, -3486535686273, 63292764553216, -1220795601029640, 24931903045697536, -537463528325234750 ]
[ "sign", "easy" ]
A183495
[ 3, 9, 36, 128, 540, 2048, 8256, 32784, 131328, 524288, 2098368, 8388608, 33558528, 134217984, 536887296, 2147483648, 8590003200, 34359738368, 137439215616, 549755817984, 2199024304128, 8796093022208, 35184376332288, 140737488355328 ]
[ "nonn" ]
A055266
[ 1, 3, 5, 4, 2, 6, 8, 7, 9, 11, 10, 12, 13, 14, 16, 17, 15, 18, 20, 19, 21, 23, 22, 24, 25, 26, 28, 27, 29, 31, 32, 30, 33, 35, 34, 36, 38, 37, 39, 41, 40, 42, 43, 44, 46, 45, 47, 48, 50, 49, 51, 53, 52, 54, 56, 55, 57, 58, 59, 60, 61, 62, 63, 65, 64, 66, 67, 68, 70, 71, 69, 72 ]
[ "easy", "nonn" ]
A293845
[ 1, 2, 1, 5, 7, 3, 16, 50, 56, 21, 67, 446, 1010, 945, 315, 374, 5395, 22692, 40455, 32550, 9765, 2825, 92881, 704601, 2167179, 3193155, 2255715, 615195, 29212, 2350136, 32061404, 162602418, 394534644, 496062000, 312519060, 78129765, 417199, 89342600, 2220570872, 18194735010, 68980503390, 138302085600, 151794972000 ]
[ "nonn", "tabl" ]
A206679
[ 306, 1728, 9792, 55836, 317736, 1809324, 10300608, 58646916, 333899064, 1901032092, 10823363424, 61621963812, 350839639224, 1997477224380, 11372475138624, 64748269110564, 368639041055544, 2098816612656732 ]
[ "nonn" ]
A253389
[ 13625124998637488000, 28428684442602684000, 1652983470, 2, 31975, 4400, 61964512293803550000, 8264462800, 0, 1234567890, 14233809528576618000, 16969012743858543000, 9412305876, 27, 15937, 18125674943632986000, 2376, 1652983470, 0, 24680, 84530839221546910000, 22644848642280060000, 27, 2, 7, 22840808842260464000, 28556013027144397000, 2488420660, 0 ]
[ "nonn", "base", "easy" ]
A231967
[ 110, 1265, 11891, 568301, 5719229, 46203659, 371436119, 1057570169, 2978731439, 8475105539, 8777935031, 14865764009, 22397944469, 24460553171, 26008879181, 27621202391, 47549400491, 53960155829, 54994829321, 57639193331, 119010782819, 157361958899 ]
[ "nonn" ]
A243401
[ 5, 23, 41, 61, 73, 103, 109, 157, 167, 181, 307, 311, 347, 367, 467, 577, 593, 601, 677, 709, 739, 839, 863, 1039, 1181, 1201, 1279, 1381, 1399, 1621, 1627, 1789, 1847, 1861, 1871, 1913, 1997, 2063, 2287, 2347, 2371, 2657, 2699, 2797, 2887, 2963, 3209, 3343, 3359, 3623 ]
[ "nonn" ]
A256838
[ 10009, 10169, 10289, 10529, 10729, 11369, 11681, 12401, 12601, 12809, 13249, 13721, 14489, 15329, 16561, 16889, 17569, 17921, 19801, 20201, 21881, 22769, 23689, 26641, 27689, 29881, 30449, 32801, 33409, 34649, 35281, 37889, 38561, 39241, 39929, 48809, 53681 ]
[ "nonn" ]
A322605
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 17, 19, 24, 29, 34, 39, 44 ]
[ "nonn", "more" ]
A156530
[ 1, -15, -16, 4815, 4880, -1395375, -4235056, 6856832895, 6936070160, -3613621050225, -18276663250096, 23278645378559804, 70641946424861840, -53167932813614190000, -376470930261391440000, 2.6155142129936917e+24, 2.645700680985683e+24 ]
[ "sign", "frac" ]
A075528
[ 0, 3, 105, 3570, 121278, 4119885, 139954815, 4754343828, 161507735340, 5486508657735, 186379786627653, 6331426236682470, 215082112260576320, 7306460390622913000, 248204571168918470000, 8.431648959352604e+21, 2.8642786004681965e+23 ]
[ "nonn", "easy" ]
A004220
[ 0, 3, 5, 6, 7, 8, 8, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19 ]
[ "nonn" ]
A196009
[ 5, 27, 10, 9, 9, 21, 15, 32, 54, 120, 20, 24, 18, 16, 25, 81, 18, 42, 279, 30, 64, 45, 108, 27, 35, 152, 240, 27, 40, 63, 72, 135, 48, 40, 45, 96, 245, 36, 32, 50, 162, 105, 36, 84, 261, 55, 360, 45, 48, 72, 189, 60, 128, 144, 90, 65, 72, 45, 63, 105, 216, 54 ]
[ "nonn" ]
A091211
[ 2, 11, 16, 21, 32, 41, 55, 62, 66, 71, 81, 86, 91, 103, 113, 121, 123, 134, 142, 148, 150, 163, 165, 186, 190, 195, 210, 215, 221, 227, 229, 235, 239, 249, 261, 265, 270, 283, 288, 298, 300, 303, 307, 314, 319, 327, 333, 342, 350, 360, 369, 376, 380, 385 ]
[ "nonn" ]
A106334
[ 1, 9, 8, 7, 3, 6, 9, 7, 2, 1, 1, 8, 4, 6, 8, 4, 1, 4, 5, 2, 6, 9, 2, 8, 9, 7, 8, 3, 3, 4, 4, 4, 1, 2, 6, 1, 8, 3, 4, 2, 7, 1, 7, 7, 2, 9, 8, 5, 5, 4, 5, 7, 4, 7, 0, 3, 5, 6, 2, 2, 3, 1, 0, 3, 8, 2, 6, 9, 5, 8, 9, 3, 8, 8, 6, 6, 2, 5, 5, 4, 7, 7, 6, 2, 0, 9, 7, 6, 2, 9, 9, 6, 3, 3, 6, 5, 7, 2, 7, 4, 6, 8, 1, 3, 5 ]
[ "cons", "nonn" ]
A343292
[ 1, 2, 3, 4, 4, 6, 5, 8, 7, 9, 7, 12, 8, 12, 13, 14, 10, 16, 11, 18, 17, 18, 13, 24, 16, 21, 19, 24, 16, 28, 17, 26, 25, 27, 25, 32, 20, 30, 29, 36, 22, 38, 23, 36, 35, 36, 25, 44, 29, 41, 37, 42, 28, 46, 37, 48, 41, 45, 31, 56, 32, 48, 47, 50, 43, 58, 35, 54, 49, 60 ]
[ "nonn" ]
A387272
[ 1, 12, 100, 720, 4815, 30884, 193144, 1188576, 7236690, 43741720, 263056728, 1576298464, 9421080123, 56200937940, 334801389360, 1992471776448, 11848869296622, 70425535830696, 418426332826200, 2485390365370080, 14760336569524854, 87650482093915740 ]
[ "nonn" ]
A137674
[ 1, 2, 5, 13, 35, 84, 198, 414, 960, 1898, 4263, 8556, 18473, 37490, 79526, 159956, 338873, 680306, 1438941, 2869908, 6057397, 12038460, 25300258, 50460684, 105275708, 211424744, 437486956, 879869316, 1810901110, 3642407379, 7495644753, 15038540180, 30957576741 ]
[ "nonn", "base" ]
A040712
[ 27, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1, 12, 1, 4, 54, 4, 1 ]
[ "nonn", "cofr", "easy" ]
A218123
[ 1, 2, 2, 2, 2, 3, 3, 3, 5, 5, 5, 7, 7, 7, 7, 7, 7, 11, 11, 11, 11, 13, 13, 13, 13, 13, 13, 17, 17, 17, 17, 17, 17, 19, 19, 19, 19, 19, 19, 19, 23, 23, 23, 23, 23, 23, 23, 23, 29, 29, 29, 29, 31, 31, 31, 31, 31, 31, 31, 31, 31, 37, 37, 37, 37, 37, 37, 41, 41, 41, 41, 43, 43, 43, 43, 43, 43, 43, 47, 47 ]
[ "nonn", "frac" ]
A365090
[ 2, 2, 3, 4, 7, 9, 13, 19, 27, 41, 58 ]
[ "nonn", "more" ]
A128074
[ 0, 18, 810, 21870, 446148, 7676370, 117979902, 1674039150, 22384294920, 285916320882, 3521652245010, 42113381995278, 491427393476940, 5617523480607090, 63094193590782440, 697970937800860200 ]
[ "nonn", "easy" ]
A217487
[ 1, 10, 299, 21908, 2901717, 602319006, 180257075455, 73470070612264, 39124516839956390, 26373727254869320000, 2.195118382592722e+22, 2.210862309393007e+25, 2.6501124576166084e+28, 3.728262038236448e+31 ]
[ "nonn" ]
A084464
[ 0, 1, 2, 4, 5, 8, 9, 11, 13, 16, 18, 22, 23, 28, 29, 32, 35, 39, 41, 46, 48, 54, 55, 59, 62, 67, 70, 76, 78, 85, 86, 90, 94, 99, 103, 109, 112, 119, 121, 129, 130, 139, 140, 145, 150, 156, 160, 167, 170, 178, 180, 189, 191, 201, 202, 208, 213, 220, 224, 232, 235, 244 ]
[ "nonn" ]
A228123
[ 1, 10, 86, 581, 4148, 31984, 261080, 2208196, 19132652, 168806740, 1510676802 ]
[ "nonn", "more" ]
A311016
[ 1, 4, 8, 11, 12, 13, 16, 20, 23, 26, 30, 36, 43, 46, 44, 39, 40, 49, 58, 62, 62, 64, 70, 77, 78, 73, 68, 72, 83, 92, 96, 98, 103, 108, 110, 105, 100, 101, 110, 122, 128, 130, 132, 137, 140, 139, 134, 132, 135, 144 ]
[ "nonn" ]
A230454
[ 25, 575, 51175, 4554575, 405357175 ]
[ "nonn", "base", "more" ]
A084849
[ 1, 4, 11, 22, 37, 56, 79, 106, 137, 172, 211, 254, 301, 352, 407, 466, 529, 596, 667, 742, 821, 904, 991, 1082, 1177, 1276, 1379, 1486, 1597, 1712, 1831, 1954, 2081, 2212, 2347, 2486, 2629, 2776, 2927, 3082, 3241, 3404, 3571, 3742, 3917, 4096, 4279, 4466 ]
[ "easy", "nonn" ]
A038891
[ 3, 5, 17, 19, 31, 59, 61, 67, 71, 73, 79, 101, 103, 107, 127, 137, 149, 151, 157, 167, 179, 197, 211, 223, 227, 229, 233, 277, 307, 313, 331, 349, 353, 379, 383, 389, 397, 431, 439, 457, 461, 487, 523, 541, 547 ]
[ "nonn" ]
A385865
[ 1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 4, 3, 4, 1, 1, 4, 2, 2, 4, 1, 1, 4, 1, 8, 1, 4, 1, 1, 4, 9, 7, 7, 9, 4, 1, 1, 4, 9, 6, 5, 6, 9, 4, 1, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 1, 4, 9, 4, 1, 12, 1, 4, 9, 4, 1, 1, 4, 9, 3, 12, 10, 10, 12, 3, 9, 4, 1, 1, 4, 9, 2, 11, 8, 7, 8, 11, 2, 9, 4, 1, 1 ]
[ "nonn", "easy", "tabl" ]
A254235
[ 512, 2616, 10684, 41140, 150016, 514920, 1700100, 5487356, 17402796, 54388900, 168051612, 514608380, 1564152640, 4724495088, 14194815516, 42456223192, 126490940620, 375582012308, 1111890899408, 3283117868720, 9671825746548 ]
[ "nonn" ]
A115292
[ 1, 4, 4, 7, 17, 7, 8, 32, 32, 8, 8, 39, 66, 39, 8, 8, 40, 88, 88, 40, 8, 8, 40, 95, 130, 95, 40, 8, 8, 40, 96, 152, 152, 96, 40, 8, 8, 40, 96, 159, 194, 159, 96, 40, 8, 8, 40, 96, 160, 216, 216, 160, 96, 40, 8, 8, 40, 96, 160, 223, 258, 223, 160, 96, 40, 8 ]
[ "easy", "nonn", "tabl" ]
A149757
[ 1, 1, 5, 17, 85, 343, 1715, 7501, 37505, 171085, 855425, 3999601, 19998005, 94992091, 474960455, 2280616019, 11403080095, 55180159045, 275900795225, 1342819665229, 6714098326145, 32822357011259, 164111785056295, 805053179115385, 4025265895576925, 19800669173042076, 99003345865210380 ]
[ "nonn", "walk" ]
A275332
[ 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 2, 2, 2, 1, 1, 0, 1, 1, 1, 2, 2, 1, 1, 1, 0, 1, 2, 3, 5, 7, 8, 9, 9, 8, 7, 5, 3, 2, 1, 0, 1, 1, 2, 2, 4, 4, 5, 4, 5, 4, 4, 2, 2, 1, 1, 0, 1, 2, 4, 6, 10, 14, 19, 23, 28, 31, 34, 34, 34, 31, 28, 23, 19, 14, 10, 6, 4, 2, 1 ]
[ "nonn", "tabf" ]
A034220
[ 1, 1, 8, 127, 10045, 3226809, 2123742189, 1670170058120, 1289964348650070, 920838234258938800, 599346797545763800000, 3.561462433192055e+23, 1.942517725366854e+26, 9.783362178141243e+28 ]
[ "nonn", "fini" ]
A179293
[ 401, 12101, 16901, 28901, 52901, 184901, 220901, 792101, 1020101, 1144901, 2464901, 3204101, 3648101, 3880901, 3960101, 5428901, 6604901, 7672901, 9672101, 12180101, 12460901, 13468901, 13912901, 14364101, 15132101, 18576101 ]
[ "easy", "nonn" ]