Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A169674
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0 ]
[ "nonn", "easy" ]
A199343
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 18, 11, 12, 13, 14, 15, 16, 17, 18, 19, 28, 21, 22, 23, 24, 25, 26, 27, 28, 29, 38, 31, 32, 33, 34, 35, 36, 37, 38, 39, 48, 41, 42, 43, 44, 45, 46, 47, 48, 49, 58, 51, 52, 53, 54, 55, 56, 57, 58, 59, 68, 61, 62, 63, 64, 65, 66, 67, 68, 69, 78, 71, 72, 73, 74, 75, 76, 77, 78, 79, 88, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98, 91, 92, 93, 94, 95, 96, 97, 98, 99, 189 ]
[ "nonn", "base" ]
A342594
[ 1, 3, 6, 9, 15, 18, 21, 30, 45, 60, 63, 72, 75, 78, 81, 90, 105, 120, 135, 147, 150, 162, 165, 180, 189, 210, 225, 231, 300, 315, 357, 360, 378, 390, 405, 420, 441, 450, 465, 495, 504, 525, 540, 567, 630, 648, 666, 675, 690, 693, 729, 735, 770, 810, 825, 840, 855, 858, 882, 900, 903, 945, 975, 990 ]
[ "nonn" ]
A148124
[ 1, 1, 2, 4, 11, 26, 75, 209, 628, 1883, 5951, 18686, 60927, 199714, 664361, 2240274, 7643810, 26202820, 91110947, 318663775, 1120228682, 3977941573, 14197123531, 50843366658, 183631585543, 665691578173, 2420005200256, 8859024855551, 32527716161891, 119696589287840, 443083822620602, 1644126404907612 ]
[ "nonn", "walk" ]
A002898
[ 1, 0, 6, 12, 90, 360, 2040, 10080, 54810, 290640, 1588356, 8676360, 47977776, 266378112, 1488801600, 8355739392, 47104393050, 266482019232, 1512589408044, 8610448069080, 49144928795820, 281164160225520, 1612061452900080, 9261029179733760, 53299490722049520 ]
[ "nonn", "walk", "nice" ]
A081354
[ 2, 4, 5, 6, 8, 12, 13, 14, 15, 16, 17, 18, 22, 24, 28, 29, 32, 35, 36, 37, 38, 39, 41, 42, 44, 45, 46, 48, 50, 51, 53, 54, 55, 56, 61, 62, 64, 66, 72, 73, 76, 84, 86, 87, 88, 89, 91, 92, 94, 95, 96, 97, 98, 100, 101, 105, 108, 109, 111, 112, 113, 114, 115, 117, 118, 119, 123 ]
[ "nonn" ]
A343489
[ 0, 0, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 3, 2, 0, 1, 4, 6, 4, 4, 0, 1, 5, 11, 12, 5, 2, 0, 1, 6, 18, 32, 20, 6, 6, 0, 1, 7, 27, 70, 85, 42, 7, 4, 0, 1, 8, 38, 132, 260, 260, 70, 8, 6, 0, 1, 9, 51, 224, 629, 1050, 735, 144, 9, 4, 0, 1, 10, 66, 352, 1300, 3162, 4102, 2224, 270, 10, 10 ]
[ "nonn", "tabl" ]
A387450
[ 9, 9, 5, 4, 7, 1, 9, 2, 2, 5, 7, 3, 0, 8, 4, 6, 0, 4, 7, 2, 6, 2, 5, 5, 2, 8, 1, 1, 2, 9, 9, 3, 0, 6, 1, 5, 7, 5, 7, 5, 2, 6, 8, 6, 6, 0, 7, 9, 4, 9, 7, 4, 3, 5, 0, 9, 5, 3, 5, 4, 2, 4, 7, 6, 1, 5, 6, 5, 8, 9, 5, 7, 4, 8, 9, 8, 2, 7, 8, 0, 8, 3, 9, 3, 5, 2, 9, 1, 7, 0, 1, 8, 1, 8, 8, 8, 3, 9, 0, 0, 7, 9, 0, 6, 7, 7, 9, 5, 3, 7, 0, 6, 6, 7, 3, 0, 7, 3 ]
[ "nonn", "cons" ]
A132971
[ 1, -1, -1, 0, -1, 1, 0, 0, -1, 1, 1, 0, 0, 0, 0, 0, -1, 1, 1, 0, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1, 1, 0, 1, -1, 0, 0, 1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1, 1, 0, 1, -1, 0, 0, 1, -1, -1, 0, 0, 0, 0, 0, 1, -1 ]
[ "sign" ]
A285522
[ 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 6, 6, 4, 1, 1, 6, 18, 10, 5, 1, 1, 20, 24, 40, 15, 6, 1, 1, 14, 135, 70, 75, 21, 7, 1, 1, 48, 130, 544, 165, 126, 28, 8, 1, 1, 52, 648, 700, 1625, 336, 196, 36, 9, 1, 1, 140, 1137, 4480, 2635, 3996, 616, 288, 45, 10, 1 ]
[ "nonn", "tabl" ]
A100871
[ 1, 2, 8, 6, 18, 6, 39, 14, 24, 20, 95, 12, 101, 41, 32, 30, 160, 26 ]
[ "more", "nonn" ]
A048982
[ 0, 0, 0, 1, 3, 8, 15, 22, 32, 50, 85, 80, 98, 84, 59, 37, 10, 2, 0, 0, 0 ]
[ "nonn", "more" ]
A105088
[ 34, 120, 240, 368, 516, 648, 816, 960, 1152, 1320, 1488, 1660, 1856, 2024, 2196, 2388, 2596, 2816, 3004, 3192, 3408, 3576, 3740, 3960, 4188, 4472, 4656, 4840, 5016, 5204, 5388, 5640, 5884, 6076, 6332, 6564, 6756, 6960, 7176, 7452, 7676, 7896, 8124, 8304 ]
[ "easy", "nonn" ]
A129257
[ 53, 79, 109, 131, 197, 199, 269, 293, 313, 353, 359, 373, 383, 433, 443, 463, 503, 521, 571, 577, 593, 613, 617, 643, 659, 673, 701, 709, 719, 733, 751, 773, 787, 797, 811, 827, 839, 863, 877, 883, 919, 937, 953, 967, 977, 991, 997, 1013, 1031, 1033, 1039 ]
[ "nonn" ]
A097876
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15 ]
[ "nonn" ]
A135535
[ 13, 61, 1021, 4093, 16381, 1048573, 4194301, 16777213, 1.9807040628566084e+28, 8.307674973655724e+34, 5.316911983139664e+36, 1.42724769270596e+45, 2.3945242826029513e+52, 1.1857109937901178e+80, 1.3998404638611276e+101 ]
[ "nonn" ]
A035701
[ 11, 27, 38, 41, 46, 49, 58, 59, 68, 79, 81, 110, 121, 128, 135, 142, 150, 159, 163, 165, 167, 171, 180, 181, 182, 193, 195, 202, 205, 206, 209, 211, 219, 221, 223, 231, 234, 240, 258, 268, 269, 277, 279, 284, 292, 296, 310, 313, 316, 319, 322, 327, 336, 339 ]
[ "nonn" ]
A125046
[ 0, 1, 3, 8, 34, 711, 459041, 210066847942, 4.412788774611624e+22, 1.9472704769152966e+45, 3.7918623102659263e+90 ]
[ "nonn" ]
A248393
[ 1, 2, 1, 3, 4, 4, 2, 6, 7, 7, 5, 7, 5, 7, 6, 10, 8, 10, 9, 11, 7, 13, 12, 16, 14, 14, 10, 14, 10, 14, 11, 17, 13, 17, 14, 18, 12, 20, 17, 23, 19, 21, 16, 24, 18, 24, 19, 25, 17, 29, 26, 30, 24, 30, 24, 32, 28, 28, 20, 28, 20, 28, 21 ]
[ "nonn" ]
A039842
[ 1, 1, 2, 4, 5, 8, 12, 17, 24, 34, 45, 63, 84, 111, 148, 193, 251, 326, 417, 536, 678, 862, 1083, 1360, 1701, 2116, 2624, 3248, 3996, 4915, 6015, 7349, 8948, 10875, 13171, 15932, 19207, 23121, 27760, 33274, 39789, 47504, 56592, 67320, 79909, 94738, 112079, 132436, 156212, 183998, 216399, 254166, 298066, 349148 ]
[ "nonn" ]
A213011
[ 1, 2, 4, 5, 9, 10, 16, 17, 25, 28, 36, 41, 49, 58, 64, 77, 81, 100, 121, 129, 144, 160, 169, 196, 197, 225, 238, 256, 281, 289, 324, 328, 361, 381, 400, 440, 441, 484, 501, 529, 568, 576, 625, 639, 676, 712, 729, 784, 791, 841, 874, 900, 961, 963, 1024, 1060, 1089, 1156, 1161, 1225, 1264, 1296, 1369, 1371, 1444, 1480, 1521, 1593, 1600, 1681, 1720, 1764 ]
[ "nonn" ]
A383794
[ 1, 3, 1, 9, 3, 3, 3, 81, 1, 9, 3, 9, 3, 9, 3, 243, 3, 3, 3, 27, 3, 9, 3, 81, 9, 9, 3, 27, 3, 9, 3, 729, 3, 9, 9, 9, 3, 9, 3, 243, 3, 9, 3, 27, 3, 9, 3, 243, 9, 27, 3, 27, 3, 9, 9, 243, 3, 9, 3, 27, 3, 9, 3, 6561, 9, 9, 3, 27, 3, 27, 3, 81, 3, 9, 9, 27, 9, 9, 3, 729 ]
[ "nonn", "frac", "mult" ]
A021962
[ 0, 0, 1, 0, 4, 3, 8, 4, 1, 3, 3, 6, 1, 1, 6, 9, 1, 0, 2, 2, 9, 6, 4, 5, 0, 9, 3, 9, 4, 5, 7, 2, 0, 2, 5, 0, 5, 2, 1, 9, 2, 0, 6, 6, 8, 0, 5, 8, 4, 5, 5, 1, 1, 4, 8, 2, 2, 5, 4, 6, 9, 7, 2, 8, 6, 0, 1, 2, 5, 2, 6, 0, 9, 6, 0, 3, 3, 4, 0, 2, 9, 2, 2, 7, 5, 5, 7, 4, 1, 1, 2, 7, 3, 4, 8, 6, 4, 3, 0 ]
[ "nonn", "cons" ]
A159482
[ 0, 0, 0, 5, 7, 7, 11, 13, 13, 17, 19, 19, 23, 23, 23, 29, 31, 31, 31, 37, 37, 41, 43, 43, 47, 47, 47, 53, 53, 53, 59, 61, 61, 61, 67, 67, 71, 73, 73, 73, 79, 79, 83, 83, 83, 89, 89, 89, 79, 97, 97, 101, 103, 103, 107, 109, 109, 113, 113, 113, 109, 113, 113, 109, 127, 127 ]
[ "nonn" ]
A128379
[ 1, -1, -24, 0, 276, 300, -1748, -4300, 4278, 29026, 22724, -94668, -242398, -18722, 856980, 1472252, -384491, -5299269, -7824968, 2088032, 25655442, 38814478, -69160, -99735912, -175711283, -68736397, 294769680, 686373176, 562588924, -513324396, -2155273788, -2808874356 ]
[ "sign" ]
A306495
[ 1, 4, 16, 74, 402, 2542, 18446, 151482, 1390738, 14126582, 157365222, 1908110866, 25022451482, 352918443438, 5327630246542, 85716034274282, 1464281837606946, 26470821156031464, 504879319309407170, 10132393298394712000, 213441590598213760000 ]
[ "nonn" ]
A018626
[ 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750 ]
[ "nonn", "fini", "full" ]
A224652
[ 1, 1, 1, 1, 2, 3, 1, 5, 8, 10, 1, 14, 25, 35, 45, 1, 42, 89, 141, 196, 251, 1, 132, 357, 644, 966, 1302, 1638, 1, 429, 1602, 3284, 5300, 7526, 9878, 12300, 1, 1430, 7959, 18423, 31947, 47859, 65619, 84765, 104877, 1, 4862, 43127, 112255, 209500, 331795, 475738, 637657, 813730, 1000135 ]
[ "nonn", "tabl" ]
A229845
[ 33, 11925, 2381469, 514371027, 110203382331, 23643209345079, 5071373978989773, 1087831682400037200, 233343097940265960000, 5.005283699065197e+22, 1.0736490824597247e+25, 2.3030110925562214e+27 ]
[ "nonn" ]
A229827
[ 0, 0, 0, 4, 0, 24, 0, 0, 0, 5308, 0, 123884, 0, 0, 0, 147288372, 0, 7238567052, 0, 0, 0 ]
[ "nonn", "more", "hard" ]
A335119
[ 5, 33, 233, 1734, 13487, 111460, 950039, 8282970, 73631430, 662319904, 6022446576, 55201746383 ]
[ "nonn", "more" ]
A311325
[ 1, 4, 8, 12, 16, 21, 27, 32, 35, 41, 45, 50, 52, 61, 64, 71, 72, 83, 82, 87, 90, 105, 103, 109, 112, 125, 122, 128, 133, 146, 142, 148, 153, 162, 158, 165, 173, 184, 180, 187, 193, 200, 196, 205, 212, 222, 218, 227, 230, 236 ]
[ "nonn" ]
A355419
[ 2, 3, 7, 17, 21, 29, 39, 59, 79, 77, 101, 101, 107, 117, 161, 183, 177, 183, 205, 239, 293, 253, 241, 359, 339, 343, 337, 319, 347, 421, 411, 403, 471, 435, 467, 483, 581, 527, 535, 589, 549, 651, 715, 703, 661, 673, 763, 765, 707, 833, 819, 793, 1009, 829 ]
[ "nonn" ]
A041563
[ 1, 3, 7, 24, 823, 2493, 5809, 19920, 683089, 2069187, 4821463, 16533576, 566963047, 1717422717, 4001808481, 13722848160, 470578645921, 1425458785923, 3321496217767, 11389947439224, 390579709151383, 1183129074893373, 2756837858938129, 9453642651707760 ]
[ "nonn", "frac", "easy" ]
A177377
[ 1, 1, 2, 4, 9, 22, 58, 164, 497, 1621, 5749, 22572, 100753, 528778, 3376927, 26917694, 270793597, 3438163325, 54872573755, 1096972396453, 27415834320206, 855886182233279, 33367897950658860, 1624569696575576000 ]
[ "nonn" ]
A269872
[ 1, 4, 5, 32, 13, 84, 29, 168, 33, 268, 61, 416, 53, 580, 121, 748, 105, 964, 185, 1188, 181, 1500, 221, 1784, 221, 2108, 305, 2480, 317, 2812, 437, 3188, 421, 3616, 545, 4152, 469, 4576, 645, 5124, 521, 5712, 813, 6100, 801, 6784, 885, 7356, 917, 8076, 1005 ]
[ "nonn", "easy" ]
A386103
[ 2, 7, 11, 17, 19, 29, 71, 79, 97, 127, 179, 191, 197, 199, 211, 227, 229, 271, 277, 719, 727, 797, 911, 919, 929, 971, 977, 991, 997, 1117, 1129, 1171, 1217, 1229, 1277, 1279, 1291, 1297, 1721, 1777, 1979, 1997, 1999, 2111, 2129, 2179, 2221, 2297, 2711, 2719 ]
[ "nonn", "base", "easy" ]
A333732
[ 1, 2, 3, 4, 6, 8, 18, 40, 230, 4296, 431206, 162267272, 201636689772, 777816803942188, 9865957936943931000, 3.958866675496817e+23, 5.371617660807664e+28, 2.352451526963034e+34, 3.5682168849414944e+40 ]
[ "nonn" ]
A075304
[ 5, 7, 17, 19, 31, 37, 43, 61, 97, 109, 181, 211, 331, 337, 401, 443, 487, 617, 631, 641, 661, 919, 1051, 1117, 1217, 1249, 1321, 1429, 1453, 1531, 1657, 1777, 2549, 2551, 2857, 2861, 2917, 2971, 3137, 3307, 3539, 3541, 3659, 3907, 4289, 4421, 4423, 5101 ]
[ "nonn" ]
A332521
[ 2, 4, 8, 3, 8, 0, 4, 0, 1, 0, 2, 9, 4, 7, 4, 0, 9, 0, 1, 4, 7, 3, 2, 5, 7, 3, 6, 9, 1, 4, 8, 6, 8, 8, 9, 9, 2, 5, 1, 8, 5, 8, 3, 0, 5, 4, 8, 9, 7, 5, 2, 3, 3, 2, 3, 6, 6, 6, 7, 5, 2, 8, 0, 6, 5, 4, 3, 5, 8, 0, 1, 5, 0, 8, 6, 6, 8, 9, 4, 8, 0, 9, 0, 1, 7, 1 ]
[ "nonn", "cons" ]
A347035
[ 31, 43, 109, 127, 157, 189 ]
[ "nonn", "more" ]
A238911
[ 6768, 385632, 274834944, 91433307852, 37515316223070, 14507257474374354, 5704285560865936000, 2.2324228782875861e+21, 8.748380783408924e+23, 3.427016228905682e+26, 1.3426124561214885e+29 ]
[ "nonn" ]
A141172
[ 2, 29, 37, 53, 109, 113, 137, 149, 193, 197, 233, 277, 281, 317, 337, 373, 389, 401, 421, 449, 457, 541, 557, 569, 613, 617, 641, 653, 673, 701, 709, 757, 809, 821, 877, 953, 977, 1009, 1033, 1061, 1093, 1117, 1129, 1201, 1213, 1229, 1289, 1297, 1373, 1381, 1409, 1429, 1453, 1481, 1493 ]
[ "nonn" ]
A377941
[ 1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 1, 8, 2, 1, 0, 1, 17, 13, 3, 1, 0, 1, 39, 45, 19, 3, 1, 0, 1, 79, 182, 77, 25, 4, 1, 0, 1, 162, 607, 363, 114, 33, 4, 1, 0, 1, 301, 2004, 1539, 593, 170, 41, 5, 1, 0, 1, 589, 6139, 6361, 2764, 928, 234, 51, 5, 1, 0, 1, 1141, 18278, 25072, 12733, 4597, 1387, 323, 61, 6, 1 ]
[ "nonn", "tabl" ]
A387032
[ 2, 3, 4, 5, 6, 7, 8, 9, 22, 23, 24, 25, 26, 27, 28, 29, 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 44, 45, 46, 47, 48, 49, 52, 53, 54, 55, 56, 57, 58, 59, 62, 63, 64, 65, 66, 67, 68, 69, 72, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 85, 86, 87, 88, 89, 92, 93, 94, 95, 96, 97, 98, 99, 222 ]
[ "nonn", "base", "easy" ]
A383104
[ 1, 0, 0, 1, 0, 0, 0, 2, 1, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 0, 0, 3, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 1, 0, 0, 2, 1, 1, 0, 1, 0, 2, 0, 2, 0, 0, 0, 1, 0, 0, 1, 2, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 1, 1, 0, 0, 0, 2, 2, 0, 0, 1, 0, 0 ]
[ "nonn" ]
A355972
[ 5, 2, 8, 5, 8, 5, 4, 9, 7, 9, 4, 5, 4, 4, 7, 7, 9, 4, 1, 9, 16, 27, 6, 7, 5, 8, 5, 20, 77, 8, 9, 3, 35, 3, 7, 4, 16, 4, 7, 3, 35, 4, 8, 3, 13, 7, 3, 5, 4, 9, 3, 15, 11, 3, 7, 7, 9, 4, 4, 65, 49, 20, 5, 20, 14, 9, 15, 4, 4, 27, 40, 5, 4, 16, 27, 6, 5, 22, 25, 11, 35, 3, 9, 16, 27, 6, 7, 5, 3, 9, 4, 5, 8, 3, 11, 20 ]
[ "nonn", "frac" ]
A157443
[ 86, 411, 978, 1787, 2838, 4131, 5666, 7443, 9462, 11723, 14226, 16971, 19958, 23187, 26658, 30371, 34326, 38523, 42962, 47643, 52566, 57731, 63138, 68787, 74678, 80811, 87186, 93803, 100662, 107763, 115106, 122691, 130518, 138587, 146898 ]
[ "nonn", "easy" ]
A349693
[ 1, 4, 2, 10, 2, 8, 2, 20, 3, 8, 2, 20, 2, 8, 4, 35, 2, 12, 2, 20, 4, 8, 2, 40, 3, 8, 4, 20, 2, 16, 2, 56, 4, 8, 4, 30, 2, 8, 4, 40, 2, 16, 2, 20, 6, 8, 2, 70, 3, 12, 4, 20, 2, 16, 4, 40, 4, 8, 2, 40, 2, 8, 6, 84, 4, 16, 2, 20, 4, 16, 2, 60, 2, 8, 6, 20, 4, 16, 2, 70 ]
[ "nonn", "mult" ]
A167682
[ 1, 4, 20, 84, 324, 1188, 4212, 14580, 49572, 166212, 551124, 1810836, 5904900, 19131876, 61647156, 197696052, 631351908, 2008846980, 6370914708, 20145865428, 63536960196, 199908972324, 627621192180, 1966546402164, 6150687683364, 19205208480708 ]
[ "nonn", "easy" ]
A291016
[ 4, 19, 90, 426, 2016, 9540, 45144, 213624, 1010880, 4783536, 22635936, 107114400, 506870784, 2398538304, 11350005120, 53708800896, 254152774656, 1202663842560, 5691066407424, 26930415389184, 127436093890560, 603034071008256, 2853587862706176 ]
[ "nonn", "easy" ]
A204934
[ 2, 6, 24, 6, 6, 24, 120, 120, 24, 720, 24, 120, 362880, 720, 720, 120, 120, 24, 120, 720, 720, 24, 24, 120, 720, 362880, 5040, 40320, 720, 720, 3628800, 120, 5040, 720, 40320, 5040, 6227020800, 120, 362880, 720, 5040, 720, 39916800, 5040 ]
[ "nonn" ]
A099000
[ 1, 2, 3, 6, 24, 51, 251, 3121, 42613, 23023556, 143130479, 2602986161967491 ]
[ "nonn", "hard", "more" ]
A007849
[ 2, 6, 8, 80, 2112, 123648, 23963648, 25806963456 ]
[ "nonn", "hard", "nice" ]
A227462
[ 1, 2, 12, 144, 2400, 50760, 1310400, 39984000, 1407490560, 56143130400, 2502730137600, 123302540148480, 6653043673436160, 390182090889951360, 24713127865269043000, 1.6811802954521423e+21, 1.2225261954951896e+23, 9.463442426016057e+24, 7.769444975810626e+26 ]
[ "nonn" ]
A185533
[ 3818262, 180225834, 8169865470, 353516027506, 15816011545490, 703501386832854, 31129923319285056, 1383146517309461800, 61410685014516310000, 2.7246946616806427e+21, 1.209557161344616e+23 ]
[ "nonn" ]
A318502
[ 0, 0, 0, 1, 0, 0, 0, 3, 1, 0, 0, 5, 0, 0, 0, 7, 0, 2, 0, 11, 0, 0, 0, 23, 1, 0, 4, 9, 0, 7, 0, 15, 0, 0, 0, 5, 0, 0, 0, 17, 0, 7, 0, 13, 13, 0, 0, 43, 1, 14, 0, 19, 0, 24, 0, 27, 0, 0, 0, 45, 0, 0, 15, 31, 0, 7, 0, 23, 0, 15, 0, 19, 0, 0, 15, 21, 0, 7, 0, 61, 13, 0, 0, 59, 0, 0, 0, 47, 0, 31, 0, 25, 0, 0, 0, 83, 0, 2, 11, 61, 0, 7, 0, 41, 15 ]
[ "nonn" ]
A140802
[ 1, 32, 640, 10240, 143360, 1835008, 22020096, 251658240, 2768240640, 29527900160, 307090161664, 3126736191488, 31267361914880, 307863255777280, 2990671627550720, 28710447624486910, 272749252432625660, 2567051787601182700, 23959150017611040000 ]
[ "nonn", "easy" ]
A363199
[ 1, 1, 2, 7, 27, 138, 822, 5154, 33880, 227495, 1554266, 10749089, 75106906 ]
[ "nonn", "hard", "more" ]
A144072
[ 1, 8, 100, 1144, 12906, 141848, 1532276, 16290920, 170938483, 1773107760, 18208004664, 185316171472, 1871103319988, 18756665504080, 186798940872312, 1849265718114736, 18207140415436700, 178355043327698000, 1738966407826986000, 16881111732250395000 ]
[ "nonn" ]
A186486
[ 1296, 713, 713, 7988, 1638, 7988, 7147, 3343, 3343, 7147, 50755, 13342, 49225, 13342, 50755, 50359, 23790, 36032, 36032, 23790, 50359, 306067, 77358, 306279, 187120, 306279, 77358, 306067, 340221, 146406, 248504, 285899, 285899, 248504, 146406 ]
[ "nonn", "tabl" ]
A077721
[ 7, 2801, 17207, 19559, 120401, 134513, 134807, 137201, 840743, 842759, 842801, 941249, 943601, 958007, 958049, 958343, 960793, 5782001, 5784409, 5899307, 5899601, 5899657, 5901659, 6591089, 6607903, 6706393, 6708787, 6722801, 6722857, 6723193 ]
[ "nonn" ]
A216320
[ 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 3, 1, 4, 4, 2, 1, 3, 3, 1, 4, 4, 2, 1, 5, 5, 5, 5, 1, 2, 2, 2, 1, 3, 2, 6, 3, 6, 1, 3, 6, 3, 6, 2, 1, 4, 2, 4, 1, 8, 8, 4, 4, 8, 8, 2, 1, 8, 8, 8, 4, 8, 2, 4, 1, 6, 6, 3, 3, 2, 1, 9, 9, 3, 9, 3, 9, 9, 9, 1, 4, 4, 2, 2, 4, 4, 2, 1, 3, 6, 2, 3, 6 ]
[ "nonn", "easy", "tabf" ]
A125277
[ 1, 1, 2, 7, 32, 169, 981, 6113, 40386, 280871, 2047316, 15595317, 123876270, 1024188790, 8799533250, 78443220865, 724472766347, 6922133112818, 68331103658847, 695983854400857, 7305630631254242, 78941171881894720 ]
[ "nonn" ]
A216182
[ 1, 3, 1, 5, 7, 1, 7, 25, 11, 1, 9, 63, 61, 15, 1, 11, 129, 231, 113, 19, 1, 13, 231, 681, 575, 181, 23, 1, 15, 377, 1683, 2241, 1159, 265, 27, 1, 17, 575, 3653, 7183, 5641, 2047, 365, 31, 1, 19, 833, 7183, 19825, 22363, 11969, 3303, 481, 35, 1 ]
[ "nonn", "tabl" ]
A323035
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 23, 25, 26, 28, 29, 30, 32, 34, 37, 41, 42, 48, 49, 50, 51, 56, 57, 59, 61, 68, 71, 72, 75, 76, 79, 80, 81, 82, 84, 86, 88, 89, 92, 93, 100, 103, 108, 118, 119, 120, 122, 125, 129, 130, 135, 141, 143 ]
[ "nonn" ]
A165880
[ 1, 18, 306, 5202, 88434, 1503378, 25557426, 434476242, 7386096114, 125563633938, 2134581776793, 36287890202880, 616894133404896, 10487200267134144, 178282404528545950, 3030800876768794600, 51523614901389240000 ]
[ "nonn" ]
A197341
[ 1, 73, 856, 12148, 159818, 2218128, 30771790, 425710602, 5901225887, 81906890563, 1136740659494, 15777299597218, 219003011443420, 3040043574547156, 42200212094991310, 585805173715282800, 8131923948348935000 ]
[ "nonn" ]
A116671
[ 13, 17, 31, 53, 71, 73, 101, 181, 197, 223, 229, 239, 241, 281, 311, 313, 353, 367, 491, 521, 607, 821, 859, 863, 919, 1129, 1217, 1303, 1381, 1427, 1471, 1583, 1667, 1721, 1723, 1753, 1811, 1877, 1879, 1933, 1979, 2017, 2063, 2089, 2221, 2399, 2441, 2447 ]
[ "nonn", "easy" ]
A073702
[ 9, 1, 1, 25, 25, 1, 121, 225, 9, 529, 1681, 441, 1849, 11025, 6889, 4225, 64009, 73441, 2209, 326041, 632025, 31329, 1413721, 4669921, 1320201, 4844401, 30371121, 19882681, 10582009, 174847729, 208196041, 4190209, 882030601, 1770810561 ]
[ "nonn", "easy" ]
A355139
[ 3, 7, 11, 19, 46, 75, 113, 138, 169, 186, 227, 240, 287, 374, 382, 481, 528, 536, 672, 713, 722, 760, 836, 922, 972, 1015, 1031, 1052, 1077, 1122, 1144, 1235, 1244, 1371, 1392, 1466, 1549, 1613, 1669, 1859, 1938, 2059, 2109, 2118, 2127, 2391, 2557, 2661, 2730, 2739, 2765, 2798, 2949, 2962 ]
[ "nonn" ]
A120891
[ 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 2, 1, 2, 1, 1, 4, 1, 1, 2, 1, 2, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1, 4, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 1, 1, 4, 1, 1, 2, 2 ]
[ "nonn" ]
A040641
[ 25, 1, 4, 1, 3, 7, 8, 2, 8, 7, 3, 1, 4, 1, 50, 1, 4, 1, 3, 7, 8, 2, 8, 7, 3, 1, 4, 1, 50, 1, 4, 1, 3, 7, 8, 2, 8, 7, 3, 1, 4, 1, 50, 1, 4, 1, 3, 7, 8, 2, 8, 7, 3, 1, 4, 1, 50, 1, 4, 1, 3, 7, 8, 2, 8, 7, 3, 1, 4, 1, 50, 1, 4, 1, 3, 7, 8, 2, 8, 7, 3, 1, 4, 1, 50, 1, 4, 1, 3, 7 ]
[ "nonn", "cofr", "easy" ]
A324688
[ 0, 0, -1, 0, -7, -6, 0, -78, -2, -1, 0, 3, -14, -13, -2, 0, 9, -54646, -3, -2, 8497, 0, -8, -5, -4, -172288, -3, -2, 0, 27, 1784552, 33920, 33921, 33922, 33923, -3, 0, 8, -3137, -3136, -3, -5, -4, -3, -82, 0, -15, -12, -11, -9, -8, -4, -7, -4, -3, 0, 36, 37 ]
[ "sign" ]
A170608
[ 1, 23, 506, 11132, 244904, 5387888, 118533536, 2607737792, 57370231424, 1262145091328, 27767192009216, 610878224202752, 13439320932460544, 295665060514132000, 6504631331310903000, 143101889288839870000 ]
[ "nonn" ]
A117127
[ 1, 1, 2, 1, 2, 3, 3, 1, 2, 1, 4, 3, 4, 5, 4, 1, 2, 2, 3, 2, 3, 2, 7, 3, 4, 4, 6, 6, 5, 7, 5, 1, 2, 2, 3, 1, 4, 3, 4, 2, 4, 2, 5, 2, 4, 4, 9, 3, 4, 5, 5, 4, 6, 4, 9, 6, 6, 6, 7, 9, 6, 9, 6, 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 5, 2, 6, 4, 5, 2, 4, 3, 6, 3, 5, 4, 7, 2, 5, 4, 7, 3, 7, 5, 11, 3, 4, 5, 5, 4, 7, 5, 7, 4 ]
[ "easy", "nonn", "base" ]
A089049
[ 0, 0, 0, 0, 1, 1, 1, 2, 2, 1, 2, 2, 2, 2, 3, 1, 2, 1, 2, 2, 3, 2, 3, 1, 2, 2, 3, 1, 3, 1, 1, 0, 2, 1, 2, 2, 3, 2, 3, 1, 3, 2, 3, 1, 3, 1, 1, 0, 2, 2, 3, 1, 3, 1, 1, 0, 3, 1, 1, 0, 1, 0, 0, 0, 2, 1, 2, 2, 3, 2, 3, 1, 3, 2, 3, 1, 3, 1, 1, 0, 3, 2, 3, 1, 3, 1, 1, 0, 3, 1, 1, 0, 1, 0, 0, 0, 2, 2, 3, 1, 3, 1, 1, 0, 3 ]
[ "nonn" ]
A221763
[ 1, 4, 16, 79, 319, 1576, 6364, 31441, 126961, 627244, 2532856, 12513439, 50530159, 249641536, 1008070324, 4980317281, 20110876321, 99356704084, 401209456096, 1982153764399, 8004078245599, 39543718583896, 159680355455884, 788892217913521 ]
[ "nonn", "easy" ]
A100198
[ -1, 0, -1, -2, -2, -3, -2, -3, -3, -3, -2, -3, -3, -4, -3, -2, -2, -3, -3, -4, -4, -3, -2, -3, -3, -3, -2, -2, -2, -3, -4, -5, -5, -4, -3, -2, -2, -3, -2, -1, -1, -2, -3, -4, -4, -4, -3, -4, -4, -4, -4, -3, -3, -4, -4, -3, -3, -2, -1, -2, -2, -3, -2, -2, -2, -1, -2, -3, -3, -2, -3, -4, -4, -5, -4, -4, -4, -3, -4, -5, -5, -5, -4, -5, -5, -4, -3, -2, -2, -3, -3, -2, -2, -1, 0, 1, 1, 0, 0, 0, 0, -1, -2, -3, -3 ]
[ "sign" ]
A211447
[ 91, 561, 3397, 20495, 123133, 738307, 4420961, 26449067, 158114037, 944443595, 5635861085, 33592371427, 199953831841, 1188364420259, 7050730029429, 41757312808091, 246836304140925, 1456269364652499, 8574736487657897 ]
[ "nonn" ]
A113940
[ 6, 10, 15, 21, 253, 703, 1081, 1711, 1891, 2701, 3403, 25651, 34453, 38503, 49141, 60031, 64261, 73153, 79003, 88831, 104653, 108811, 114481, 126253, 146611, 158203, 171991, 188191, 218791, 226801, 258121, 269011, 286903, 351541, 371953, 385003, 392941 ]
[ "base", "nonn" ]
A161845
[ 1, 6, 4096, 531441, 100000000, 5159780352, 289254654976, 129746337890625, 72057594037927940, 6746640616477458000, 655360000000000000000, 6.308807923967155e+23, 7.054294986864041e+26, 9.647972922817449e+28 ]
[ "nonn" ]
A322093
[ 1, 2, 0, 6, 2, 0, 24, 30, 2, 0, 120, 864, 174, 2, 0, 720, 39480, 41304, 1092, 2, 0, 5040, 2631600, 19606320, 2265024, 7188, 2, 0, 40320, 241133760, 16438575600, 11804626080, 134631576, 48852, 2, 0, 362880, 29083420800, 22278418248240, 131402141197200, 7946203275000, 8437796016, 339720, 2, 0 ]
[ "nonn", "tabl" ]
A057790
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 3, 2, 3, 1, 1, 1, 1, 3, 4, 4, 3, 1, 1, 1, 1, 5, 5, 6, 5, 5, 1, 1, 1, 1, 6, 7, 10, 10, 7, 6, 1, 1, 1, 1, 8, 11, 16, 14, 16, 11, 8, 1, 1, 1, 1, 12, 17, 22, 27, 27, 22, 17, 12, 1, 1, 1, 1, 18, 23, 39, 44, 44, 44, 39, 23, 18, 1, 1, 1, 1 ]
[ "nonn", "tabl", "easy", "nice" ]
A124140
[ 24, 78, 90, 224, 260, 264, 348, 570, 728, 846, 996, 1580, 1692, 2030, 2514, 3552, 3762, 4560, 4648, 4668, 5250, 5976, 6448, 6650, 6954, 8634, 10458, 11994, 13624, 14056, 14476, 16056, 17064, 17292, 17412, 18960, 21712, 22652, 23500, 24108, 26940, 27132, 27412 ]
[ "nonn" ]
A056050
[ 1, 5, 6, 10, 20, 25, 26, 30, 40, 45, 50, 60, 65, 70, 76, 80, 85, 90, 100, 200, 225, 300, 376, 400, 425, 500, 600, 625, 700, 800, 825, 876, 900, 1000, 1025, 1100, 1200, 1300, 1400, 1425, 1500, 1600, 1700, 1800, 1825, 1876, 1900, 2000, 2100, 2200, 2225, 2300 ]
[ "easy", "nonn", "base" ]
A063982
[ 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 4, 2, 2, 4, 8, 2, 2, 2, 2, 2, 4, 4, 4, 2, 4, 2, 4, 2, 8, 4, 4, 2, 8, 4, 2, 4, 8, 8, 8, 2, 8, 2, 4, 4, 4, 4, 2, 2, 4, 4, 2, 4, 4, 8, 2, 4, 8, 4, 8, 4, 4, 8, 2, 2, 8, 2, 8, 4, 4, 4, 2, 2, 4, 4, 2, 2, 8, 16, 2, 4, 8, 4, 4, 2, 8, 8 ]
[ "nonn", "nice" ]
A162786
[ 6, 7, 8, 9, 10, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277 ]
[ "easy", "nonn" ]
A156555
[ 5, 23, 239, 10460353199, 617673396283943, 450283905890997400, 36472996377170790000, 1.938324566768002e+25, 6.758519863481753e+34, 1.546132562196034e+48 ]
[ "nonn" ]
A360513
[ 1, 1, 2, 5, 13, 47 ]
[ "nonn", "more" ]
A174994
[ 16, 16, 144, 144, 400, 400, 784, 784, 1296, 1296, 1936, 1936, 2704, 2704, 3600, 3600, 4624, 4624, 5776, 5776, 7056, 7056, 8464, 8464, 10000, 10000, 11664, 11664, 13456, 13456, 15376, 15376, 17424, 17424, 19600, 19600, 21904, 21904, 24336, 24336, 26896, 26896, 29584, 29584, 32400, 32400, 35344, 35344 ]
[ "nonn", "less", "easy" ]
A354410
[ 10, 200, 1001, 1010, 1100, 3000, 10002, 10020, 10200, 12000, 20001, 20010, 20100, 21000, 40000, 100003, 100011, 100030, 100101, 100110, 100300, 101001, 101010, 101100, 103000, 110001, 110010, 110100, 111000, 130000, 200002, 200020, 200200, 202000, 220000 ]
[ "nonn", "base" ]
A189606
[ 1, 28, 256, 2853, 30283, 321815, 3414588, 36212912, 383990913, 4071436782, 43168209556, 457694879893, 4852734814404, 51451313282657, 545514314383676, 5783833141059232, 61323273361025440, 650181923557415200 ]
[ "nonn" ]
A303909
[ 1, 0, 0, 0, 1, 1, 1, 1, 2, 4, 5, 6, 8, 13, 19, 26, 36, 51, 74, 105, 148, 208, 296, 421, 597, 846, 1198, 1699, 2409, 3417, 4843, 6865, 9732, 13799, 19566, 27739, 39325, 55749, 79041, 112063, 158877, 225241, 319331, 452734, 641866, 910001, 1290137, 1829079, 2593169, 3676457, 5212266 ]
[ "nonn" ]
A379199
[ 1, 1, 2, 2, 4, 9, 45, 164, 546, 1493, 3944, 10588, 32997, 112945, 396404, 1330461, 4265180, 13292275, 41778612, 135378928, 452828655, 1534394542, 5175561385, 17246318586, 56998526633, 188492707958, 628391304843, 2115131897264, 7162685531894, 24280930956521, 82152859633099 ]
[ "nonn" ]
A190496
[ 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 3, 1, 3, 1, 2, 0, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 0, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 3, 2, 3, 1, 2, 0, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 0, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 3, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 0, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 0, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 3, 2, 3, 1, 2, 0, 2, 3, 1, 2, 1, 2, 3, 1, 3, 1, 2, 0 ]
[ "nonn" ]
A389518
[ 0, 0, 0, 0, 1, 9, 20, 36, 62, 99, 136, 203, 264, 349, 455, 574, 709, 866, 1035, 1249, 1470, 1707, 1979, 2302, 2636, 2983, 3386, 3826, 4277, 4789, 5325, 5903, 6472, 7166, 7879, 8620, 9383, 10232, 11074, 12070, 13027, 14071, 15151, 16285, 17510, 18731, 20039, 21449, 22889, 24391 ]
[ "nonn", "changed" ]
A300305
[ 1, 3, 4, 6, 6, 7, 8, 8, 9, 10, 11, 11, 12, 12, 14, 15, 15, 15, 15, 16, 18, 18, 18, 18, 18, 19, 20, 22, 22, 22, 22, 22, 22, 23, 24, 26, 25, 25, 25, 26, 26, 26, 27, 29, 31, 29, 29, 29, 29, 29, 30, 31, 32, 33, 35, 33, 33, 33, 33, 33, 34, 34, 35, 36, 38, 40, 37, 37, 37, 37, 37, 37, 38, 38, 39, 41, 42, 45 ]
[ "nonn", "tabl" ]
A208989
[ 1, 3, 7, 33, 159, 874, 4935, 28816, 171413, 1036611, 6350875, 39346156, 246076193, 1551630136, 9853551873, 62966367376, 404595868611 ]
[ "nonn" ]
A258718
[ 1, 8, 1, 9, 0, 5, 8, 9, 0, 2, 0, 0, 8, 0, 1, 2, 1, 5, 6, 7, 6, 2, 0, 9, 6, 7, 7, 9, 0, 2, 8, 7, 2, 1, 2, 3, 4, 0, 4, 7, 9, 5, 5, 0, 2, 6, 4, 8, 5, 2, 1, 1, 5, 2, 1, 7, 5, 8, 8, 5, 4, 2, 1, 4, 3, 2, 1, 8, 7, 9, 9, 0, 1, 4, 9, 1, 4, 2, 1, 1, 8, 9, 2, 7, 3 ]
[ "nonn", "cons", "base" ]