Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A390114
[ 1, 2, 6, 11, 32, 58, 153, 189, 227, 439, 837, 915, 1949, 2067, 2485, 2615, 2938, 7143, 8016, 7668, 23497, 30273, 43179, 42134, 35240, 32812, 115743, 47162, 298915, 48948, 590375, 410001, 153313, 328612, 1024469, 1360274, 625810, 638018, 588530, 1258690, 470528 ]
[ "nonn" ]
A215789
[ 1, 1, 1, 2, 5, 12, 42, 110, 462, 1274, 6006, 17136, 87516, 255816, 1385670, 4124406, 23371634, 70549050, 414315330, 1264752060, 7646001090, 23555382240, 145862174640, 452806924752, 2861142656400, 8939481277552, 57468093927120 ]
[ "nonn" ]
A221722
[ 21, 3605, 544757, 81980587, 12325049264, 1852447247829, 278394265759168, 41836968289680536, 6287169859547252000, 944818763789937700000, 1.4198460532615954e+23, 2.1337022505681037e+25 ]
[ "nonn" ]
A173969
[ 102, 258, 282, 426, 606, 642, 654, 906, 1182, 1338, 1902, 2094, 2766, 3126, 3414, 3786, 4038, 4206, 4926, 5286, 5514, 5682, 5826, 5946, 6306, 6546, 6654, 6918, 7086, 7302, 7386, 7554, 7926, 8166, 8202, 9294, 10158, 10806, 11082, 11598, 11706, 11874 ]
[ "nonn" ]
A052834
[ 0, 0, 2, 9, 36, 150, 673, 3262, 17006, 94827, 562594, 3535026, 23430839, 163254884, 1192059222, 9097183601, 72384727656, 599211936354, 5150665398897, 45891416030314, 423145657921378, 4031845922290571, 39645290116637020, 401806863439720960, 4192631462935194000 ]
[ "easy", "nonn" ]
A265902
[ 0, 1, 2, 3, 4, 19, 6, 7, 8, 9, 10, 55, 12, 13, 58, 57, 64, 73, 18, 5, 20, 21, 22, 25, 24, 23, 26, 27, 28, 163, 30, 37, 172, 165, 190, 217, 36, 31, 166, 39, 40, 175, 174, 193, 220, 171, 46, 181, 192, 199, 226, 219, 208, 235, 54, 11, 56, 15, 14, 59, 60, 65, 74, 63, 16, 61, 66, 67, 76, 75, 70 ]
[ "nonn", "base" ]
A365648
[ 1, 4, 6, 12, 10, 24, 14, 30, 27, 40, 22, 70, 26, 56, 56, 70, 34, 108, 38, 116, 78, 88, 46, 172, 75, 104, 108, 162, 58, 224, 62, 158, 122, 136, 128, 310, 74, 152, 144, 284, 82, 312, 86, 254, 242, 184, 94, 396, 147, 300, 188, 300, 106, 432, 200, 396, 210, 232, 118 ]
[ "nonn" ]
A083322
[ 1, 2, 6, 11, 22, 42, 85, 170, 342, 683, 1366, 2730, 5461, 10922, 21846, 43691, 87382, 174762, 349525, 699050, 1398102, 2796203, 5592406, 11184810, 22369621, 44739242, 89478486, 178956971, 357913942, 715827882, 1431655765, 2863311530, 5726623062 ]
[ "nonn", "easy" ]
A288188
[ 1, 8, -7, 64, -84, 21, 512, -896, 224, 196, -35, 4096, -8960, 2240, 3920, -350, -980, 35, 32768, -86016, 21504, 56448, -3360, -18816, 336, -5488, 1470, 1176, -21, 262144, -802816, 200704, 702464, -31360, -263424, 3136, -153664, 27440, 21952, -196, 38416, -1372, -3430, 7 ]
[ "sign", "tabf" ]
A356332
[ 0, 1, 2, 3, 4, 10, 6, 7, 8, 9, 5, 11, 12, 31, 27, 23, 16, 17, 28, 19, 20, 21, 22, 15, 24, 30, 26, 14, 18, 29, 25, 13, 32, 33, 86, 82, 65, 71, 38, 78, 61, 57, 42, 51, 44, 45, 72, 83, 74, 62, 50, 43, 75, 53, 54, 55, 56, 41, 58, 77, 70, 40, 49, 63, 64, 36, 79, 85 ]
[ "nonn", "base" ]
A046353
[ 9, 15, 27, 45, 57, 85, 121, 123, 259, 305, 351, 403, 413, 415, 483, 495, 575, 597, 627, 639, 663, 687, 689, 705, 717, 735, 807, 875, 893, 931, 935, 985, 989, 1073, 1135, 1183, 1203, 1207, 1263, 1285, 1293, 1331, 1353, 1383, 1385, 1407, 1473, 1505, 1545 ]
[ "nonn", "base" ]
A353377
[ 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 2, 0, 0, 0, 3, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 2, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1 ]
[ "nonn" ]
A018740
[ 1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952 ]
[ "nonn", "fini", "full", "easy" ]
A288974
[ 1, 11, 101, 1111, 11011, 111111, 1000111, 11111111, 101001111, 1111111111, 10110011111, 111011111111, 1011000111111, 11111111111111, 101101001111111, 1111101111111111, 11110100011111112, 101110011111111100, 1111111100111111200, 11011010111111110000 ]
[ "nonn", "easy" ]
A223955
[ 4, 85, 3471, 176893, 9779558, 556027700, 31770135236, 1805384910990, 101606391647751, 5657068092397559, 311737148953336260, 17023765723406627000, 922742812050648200000 ]
[ "nonn" ]
A333768
[ 0, 1, 2, 1, 3, 1, 1, 1, 4, 1, 2, 1, 1, 1, 1, 1, 5, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 1, 2, 1, 3, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 2, 1, 3, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1 ]
[ "nonn" ]
A263773
[ 1, 6, 9, -12, -42, -18, 36, 48, 45, -12, -108, -36, 84, 84, 72, -72, -186, -54, 36, 120, 126, -96, -216, -72, 180, 186, 126, -12, -336, -90, 216, 192, 189, -144, -324, -144, 84, 228, 180, -168, -540, -126, 288, 264, 252, -72, -432, -144, 372, 342, 279, -216 ]
[ "sign" ]
A214524
[ 16, 61, 1166, 1616, 1661, 6116, 6161, 6611, 111666, 116166, 116616, 116661, 161166, 161616, 161661, 166116, 166161, 166611, 611166, 611616, 611661, 616116, 616161, 616611, 661116, 661161, 661611, 666111 ]
[ "nonn", "base", "easy" ]
A124189
[ 42, 47, 60, 119, 153, 179, 195, 236, 269, 287, 383, 821, 846, 921, 924, 1104, 1181, 1200, 1349, 1806, 1917, 1980, 2015, 2049, 2057, 2369, 2394, 2522, 2660, 2876, 2882, 2940, 2991, 3206, 3311, 3570, 3695, 3741, 3785, 3840, 3944, 3966, 4049, 4148, 4377, 4448 ]
[ "nonn" ]
A174698
[ 1, 81, 4409, 175720, 2479881, 17925691, 92952858, 379978716, 1286959255, 3765248749, 9805497200, 23226916560, 50866495373, 104288896551, 202154535834, 373400685738, 661407061211, 1129334088897, 1866838857216 ]
[ "nonn", "easy" ]
A222143
[ 4096, 19307236, 91058563924, 429480137694664, 2025664524518719700, 9.554152945600145e+21, 4.5062665956031455e+25, 2.125404405814981e+29, 1.0024581981241095e+33 ]
[ "nonn" ]
A049611
[ 0, 1, 4, 13, 38, 104, 272, 688, 1696, 4096, 9728, 22784, 52736, 120832, 274432, 618496, 1384448, 3080192, 6815744, 15007744, 32899072, 71827456, 156237824, 338690048, 731906048, 1577058304, 3388997632, 7264534528, 15535702016 ]
[ "nonn", "easy" ]
A361461
[ 2, 5, 7, 8, 11, 13, 15, 17, 19, 20, 23, 26, 27, 29, 31, 34, 35, 37, 39, 41, 43, 44, 47, 48, 49, 53, 54, 55, 56, 59, 61, 62, 63, 65, 67, 69, 71, 73, 74, 75, 76, 79, 80, 83, 84, 87, 89, 92, 94, 95, 97, 98, 99, 101, 103, 104, 107, 109, 110, 111, 113, 116, 118, 119, 120, 123, 124, 125, 127, 129, 131, 132 ]
[ "nonn" ]
A201411
[ 1, 4, 5, 1, 9, 2, 5, 7, 2, 2, 1, 2, 3, 2, 8, 7, 9, 9, 9, 4, 4, 6, 9, 4, 6, 6, 0, 4, 5, 0, 2, 0, 7, 9, 9, 6, 0, 0, 5, 4, 5, 0, 6, 4, 1, 0, 6, 1, 4, 3, 6, 1, 9, 1, 2, 0, 5, 3, 3, 0, 6, 1, 2, 7, 8, 5, 7, 2, 2, 2, 0, 7, 9, 9, 5, 1, 2, 9, 4, 9, 6, 7, 4, 4, 9, 9, 2, 8, 2, 5, 4, 6, 1, 0, 4, 5, 6, 3, 0 ]
[ "nonn", "cons" ]
A186992
[ 1, 2, 4, 4, 12, 4, 28, 16, 32, 12, 116, 16, 248, 48, 72, 112, 728, 64, 1512, 192, 384, 256, 3783, 255, 3086, 732, 2674, 826, 14164, 255, 25999, 6275, 5769, 3785, 8818, 1681, 67036, 7984, 13643, 4910, 133296, 2664, 218406, 24268, 26254 ]
[ "nonn" ]
A258811
[ 3, 5, 3, 17, 5, 11, 5, 29, 11, 5, 17, 5, 149, 29, 3, 11, 5, 3, 11, 11, 41, 29, 5, 17, 5, 11, 3, 269, 11, 5, 41, 5, 5, 29, 11, 11, 179, 5, 59, 5, 29, 149, 29, 29, 3, 17, 5, 3, 17, 11, 41, 5, 149, 29, 11, 59, 3, 5, 17, 3, 461, 179, 1229, 17, 29, 107, 59, 179, 11, 5 ]
[ "nonn" ]
A240632
[ 8, 81, 637, 4989, 38634, 299329, 2319211, 17971509, 139264013, 1079178635, 8362717691, 64803934520, 502175240181, 3891429932618, 30155264060461, 233677585671980, 1810802052546549, 14032171994804298, 108737368953561200 ]
[ "nonn" ]
A383459
[ 1, 1, 1, 1, 2, 1, 2, 2, 2, 3, 2, 3, 4, 3, 3, 3, 4, 3, 4, 5, 5, 4, 4, 5, 4 ]
[ "nonn", "more" ]
A332149
[ 9, 494, 44944, 4449444, 444494444, 44444944444, 4444449444444, 444444494444444, 44444444944444450, 4444444449444444700, 444444444494444400000, 4.444444444494445e+22, 4.444444444449444e+24, 4.4444444444449445e+26, 4.444444444444494e+28, 4.4444444444444493e+30 ]
[ "nonn", "base", "easy" ]
A306373
[ 120, 672, 4320, 4680, 26208, 523776, 20427264, 29795040, 34369920, 96445440, 197064960, 459818240, 557107200 ]
[ "nonn", "more" ]
A302416
[ 4, 25, 30, 66, 142, 289, 599, 1268, 2660, 5558, 11659, 24470, 51293, 107533, 225522, 472918, 991618, 2079349, 4360310, 9143205, 19172527, 40203428, 84303632, 176778210, 370690543, 777310342, 1629961137, 3417905349, 7167090042 ]
[ "nonn" ]
A239751
[ 16, 32, 64, 128, 129, 132, 136, 144, 192, 256, 257, 258, 264, 272, 288, 384, 512, 513, 514, 516, 528, 544, 576, 768, 1024, 1025, 1026, 1028, 1032, 1056, 1088, 1152, 1153, 1154, 1156, 1168, 1184, 1216, 1280, 1281, 1282, 1284, 1288, 1296, 1312, 1344, 1536, 1537, 1538, 1544, 1552, 1568, 1664 ]
[ "nonn", "base", "easy" ]
A076094
[ 5, 41, 653, 4159, 14159, 358979, 1592653, 28841971, 795028841, 5926535897, 93238462643, 141592653589, 9265358979323, 23846264338327, 841971693993751, 8628034825342117, 89793238462643380, 348253421170679800, 3832795028841971700, 89793238462643390000 ]
[ "easy", "nonn", "base" ]
A072175
[ 1, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3, 2, 1, 0, -1, 0, 3, 4, 3 ]
[ "sign", "easy", "less" ]
A040073
[ 9, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9, 18, 9 ]
[ "nonn", "cofr", "easy" ]
A319499
[ 1, 2, 5, 3, 9, 7, 11, 4, 6, 13, 19, 10, 21, 15, 22, 8, 33, 12, 25, 18, 26, 27, 39, 14, 20, 29, 42, 30, 61, 31, 45, 16, 23, 47, 67, 17, 49, 35, 50, 36, 73, 37, 53, 107, 38, 77, 55, 79, 28, 40, 81, 41, 83, 59, 84, 60, 43, 122, 87, 44, 89, 63, 90, 32, 129, 46, 93 ]
[ "nonn", "base" ]
A003508
[ 1, 2, 3, 4, 7, 8, 11, 12, 18, 24, 30, 41, 42, 55, 72, 78, 97, 98, 108, 114, 139, 140, 155, 192, 198, 215, 264, 281, 282, 335, 408, 431, 432, 438, 517, 576, 582, 685, 828, 857, 858, 888, 931, 958, 1440, 1451, 1452, 1469, 1596, 1628, 1679, 1776, 1819, 1944 ]
[ "nonn", "nice", "easy" ]
A050037
[ 1, 1, 4, 5, 6, 11, 15, 16, 17, 33, 48, 59, 65, 70, 74, 75, 76, 151, 225, 295, 360, 419, 467, 500, 517, 533, 548, 559, 565, 570, 574, 575, 576, 1151, 1725, 2295, 2860, 3419, 3967, 4500, 5017, 5517, 5984, 6403, 6763, 7058, 7283, 7434 ]
[ "nonn" ]
A342991
[ 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "easy" ]
A340061
[ 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 2, 2, 3, 4, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 5, 5, 6, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2 ]
[ "nonn", "tabf" ]
A006706
[ 1, 2, 3, 4, 7, 12, 23, 44, 90, 186, 407, 902, 2072, 4844, 11595, 28150, 69491, 173522, 438423, 1117968, 2875960, 7453070, 19447591, 51050224, 134749849, 357446716, 952527403, 2548897192, 6846986075, 18458150242, 49923931099, 135443922536, 368511905808 ]
[ "nonn" ]
A249404
[ 52, 52, 52, 52, 53, 52, 52, 52, 52, 53, 52, 52, 52, 52, 52, 53, 52, 52, 52, 52, 53, 52, 52, 52, 52, 52, 53, 52, 52, 52, 52, 52, 53, 52, 52, 52, 52, 53, 52, 52, 52, 52, 52, 53, 52, 52, 52, 52, 53, 52, 52, 52, 52, 52, 53, 52, 52, 52, 52, 52, 53, 52, 52, 52, 52, 53, 52, 52, 52 ]
[ "nonn" ]
A322536
[ 1, 3139, 180325, 2636263, 19610233, 97464799, 370487485, 1163205475, 3164588407, 7702189345, 17148949027, 35500063501, 69161990275, 128000343121, 226698100687, 386480229085, 637265493637, 1020310909975, 1591418959705, 2424782370859, 3617545938373, 5295169534843 ]
[ "nonn" ]
A025408
[ 100, 161, 198, 217, 224, 252, 289, 308, 315, 350, 369, 376, 379, 406, 413, 416, 432, 435, 442, 477, 496, 503, 533, 540, 548, 559, 568, 585, 587, 594, 604, 611, 624, 631, 646, 650, 665, 672, 685, 692, 702, 709, 711, 728, 737, 748, 756, 763, 765, 793, 800, 802, 819, 821, 828, 854, 861, 863, 864, 880, 882, 883, 889, 890, 917, 919, 920, 926, 927, 945, 946, 954, 973, 980, 981, 988, 1007, 1010, 1017, 1044 ]
[ "nonn" ]
A146531
[ 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 6, 2, 6, 1, 1, 1, 2, 2, 1, 1, 1, 9, 3, 18, 3, 9, 1, 1, 1, 3, 3, 3, 3, 1, 1, 1, 12, 4, 36, 6, 36, 4, 12, 1, 1, 1, 4, 4, 6, 6, 4, 4, 1, 1, 1, 15, 5, 60, 10, 90, 10, 60, 5, 15, 1 ]
[ "nonn", "tabl", "easy" ]
A298265
[ 1, 5, 15, 10, 35, 50, 20, 70, 150, 55, 100, 70, 126, 350, 275, 300, 200, 350, 204, 210, 700, 825, 220, 700, 1000, 210, 1050, 700, 1020, 700, 330, 1260, 1925, 1100, 1400, 3000, 1100, 1050, 2450, 3500, 1400, 3060, 2040, 3500, 2340, 495, 2100, 3850, 3300, 715, 2520, 7000, 5500, 3150, 2100, 4900, 10500, 3850, 7000, 2485, 7140, 10200, 4080, 10500, 7000, 11700, 8230, 715, 3300, 6930, 7700, 3575, 4200, 14000, 16500, 4400, 7350, 10500, 1540, 8820, 24500, 19250, 21000, 14000, 12425, 14280, 30600, 11220, 20400, 14280, 24500, 35000, 14000, 35100, 23400, 41150, 29140 ]
[ "nonn", "tabf" ]
A386070
[ 5, 7, 47, 457, 547, 557, 577, 757, 4007, 4057, 4447, 4457, 4507, 4547, 5077, 5407, 5477, 5507, 5557, 7057, 7457, 7477, 7507, 7547, 7577, 7757, 40507, 40577, 44507, 44777, 45007, 45077, 45557, 45707, 45757, 47057, 47407, 47507, 47777, 50047, 50077, 50707, 50777 ]
[ "nonn", "base", "easy" ]
A054275
[ 1, 8, 24, 52, 90, 140, 200, 272, 354, 448, 552, 668, 794, 932, 1080, 1240, 1410, 1592, 1784, 1988, 2202, 2428, 2664, 2912, 3170, 3440, 3720, 4012, 4314, 4628, 4952, 5288, 5634, 5992, 6360, 6740, 7130, 7532, 7944, 8368, 8802, 9248, 9704, 10172, 10650, 11140 ]
[ "nonn", "easy" ]
A221616
[ 3, 26, 13, 2, 21, 16, 8, 14, 6, 18, 5, 12, 10, 11, 9, 20, 4, 23, 19, 25, 1, 27, 22, 17, 7, 15, 24 ]
[ "nonn", "fini", "full" ]
A056337
[ 0, 0, 1, 4, 15, 49, 160, 498, 1544, 4715, 14356, 43420, 131145, 394990, 1188564, 3572400, 10732065, 32224216, 96733636, 290317660, 871200664, 2614083394, 7843255300, 23531731530, 70599259170, 211805771345 ]
[ "nonn" ]
A102863
[ 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1 ]
[ "easy", "nonn" ]
A050828
[ 1, 1, 1, 3, 5, 7, 9, 11, 13, 13, 15, 17, 19, 21, 21, 23, 25, 25, 27, 29, 29, 29, 29, 29, 31, 33, 35, 37, 37, 39, 41, 41, 43, 45, 47, 49, 51, 51, 51, 51, 53, 55, 57, 57, 59, 59, 61, 61, 61, 61, 61, 61, 61, 63, 65, 67, 69, 69, 71, 73, 73, 75, 77, 79, 81, 83, 85, 87, 87, 89, 91 ]
[ "nonn", "easy" ]
A309004
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 2, 1 ]
[ "nonn" ]
A259533
[ 1, 4, 18, 94, 582, 4294, 37398, 378214, 4366422, 56697574, 817979478, 12981058534, 224732536662, 4214866778854, 85130743747158, 1842265527790054, 42525237455785304, 1042966136232956200, 27084277306054500000, 742412698554626700000, 2.1421502369955072e+22, 6.489985999880326e+23 ]
[ "nonn", "easy" ]
A388753
[ 9, 1, 0, 1, 7, 9, 7, 2, 1, 1, 2, 4, 4, 5, 4, 6, 8, 2, 6, 0, 8, 7, 1, 5, 5, 1, 5, 6, 4, 4, 9, 3, 7, 1, 3, 9, 2, 4, 0, 3, 8, 0, 7, 5, 6, 9, 6, 6, 3, 0, 0, 1, 8, 5, 1, 7, 6, 5, 1, 9, 1, 3, 8, 9, 8, 1, 6, 0, 0, 4, 0, 6, 4, 6, 6, 8, 9, 6, 5, 8, 3, 1, 8, 2, 8, 0, 3 ]
[ "nonn", "cons" ]
A070891
[ 30, 15, 105, 210, 2310, 5005, 1616615, 9699690, 223092870, 111546435, 2156564410, 100280245065, 3710369067405, 7420738134810, 6541380665835015 ]
[ "nonn", "frac" ]
A060289
[ 4, 5, 17, 53, 250, 1404, 9013, 58608, 401614, 2908740, 21832530 ]
[ "nonn", "base", "more" ]
A100726
[ 2, 3, 5, 7, 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 ]
[ "base", "nonn" ]
A254828
[ 1, 2, 3, 4, 5, 5, 6, 7, 8, 8, 9, 9, 10, 11, 12, 12, 13, 13, 14, 15, 16, 16, 17, 18, 19, 20, 21, 21, 22, 22, 23, 24, 25, 26, 27, 27, 28, 29, 30, 30, 31, 31, 32, 33, 34, 34, 35, 35, 36, 37, 38, 38, 39, 40, 41, 42, 43, 43, 44, 44, 45, 46, 47, 48, 49, 49, 50, 51, 52, 52, 53, 53, 54, 55, 56, 56 ]
[ "nonn" ]
A019981
[ 8, 1, 4, 4, 3, 4, 6, 4, 2, 7, 9, 7, 4, 5, 9, 4, 0, 2, 3, 8, 2, 5, 6, 6, 1, 3, 9, 4, 9, 7, 9, 6, 9, 5, 7, 5, 2, 3, 2, 2, 5, 5, 0, 1, 8, 0, 6, 8, 0, 4, 4, 4, 6, 6, 0, 0, 1, 0, 3, 3, 3, 3, 3, 1, 9, 8, 6, 1, 7, 2, 8, 6, 9, 3, 5, 0, 0, 0, 3, 7, 4, 0, 2, 8, 6, 1, 7, 5, 5, 6, 6, 3, 6, 2, 7, 6, 1, 1, 9 ]
[ "nonn", "cons" ]
A294135
[ 5, 11, 17, 257, 449, 1601, 6577, 20353, 25601, 40961, 65537, 95873, 163841, 176129, 1179649, 8452097, 13631489, 26419201, 32310529, 38031361, 56867009, 59637761, 144310273, 480865793, 697434113, 1572864001, 2013265921, 7547650049, 62872289281, 483049603073 ]
[ "nonn" ]
A193356
[ 1, 0, 3, 0, 5, 0, 7, 0, 9, 0, 11, 0, 13, 0, 15, 0, 17, 0, 19, 0, 21, 0, 23, 0, 25, 0, 27, 0, 29, 0, 31, 0, 33, 0, 35, 0, 37, 0, 39, 0, 41, 0, 43, 0, 45, 0, 47, 0, 49, 0, 51, 0, 53, 0, 55, 0, 57, 0, 59, 0, 61, 0, 63, 0, 65, 0, 67, 0, 69, 0, 71, 0, 73, 0, 75 ]
[ "nonn", "easy", "mult" ]
A082627
[ 2, 7, 17, 191, 1051, 1934063 ]
[ "dead" ]
A053577
[ 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 16, 17, 19, 23, 24, 28, 29, 31, 32, 37, 41, 43, 47, 48, 53, 56, 59, 61, 62, 64, 67, 71, 73, 79, 83, 89, 96, 97, 101, 103, 107, 109, 112, 113, 124, 127, 128, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 192, 193, 197 ]
[ "nonn" ]
A134371
[ 1, 2, 576, 373248000, 2642908293365760000, 6.292383221978976e+32, 1.2078744213598963e+52 ]
[ "nonn" ]
A035286
[ 0, 0, 32, 156, 456, 1040, 2040, 3612, 5936, 9216, 13680, 19580, 27192, 36816, 48776, 63420, 81120, 102272, 127296, 156636, 190760, 230160, 275352, 326876, 385296, 451200, 525200, 607932, 700056, 802256, 915240, 1039740, 1176512, 1326336 ]
[ "nonn", "easy" ]
A124355
[ 0, 0, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000, 20922789888000, 355687428096000, 6402373705728000, 121645100408832000, 2432902008176640000 ]
[ "nonn" ]
A126647
[ 25, 1, 23, 6, 10, 12, 14, 3, 20, 16, 2, 24, 13, 8, 18, 11, 7, 21, 9, 17, 15, 19, 5, 22, 4 ]
[ "fini", "full", "nonn", "tabf" ]
A096019
[ 3, 7, 23, 67, 203, 607, 1823, 5467, 16403, 49207, 147623, 442867, 1328603, 3985807, 11957423, 35872267, 107616803, 322850407, 968551223, 2905653667, 8716961003, 26150883007, 78452649023, 235357947067, 706073841203, 2118221523607 ]
[ "nonn", "easy" ]
A140435
[ 0, 1, 1, 3, 1, 7, 1, 7, 5, 11, 1, 15, 1, 15, 13, 15, 1, 23, 1, 23, 17, 23, 1, 31, 9, 27, 17, 31, 1, 43, 1, 31, 25, 35, 21, 47, 1, 39, 29, 47, 1, 59, 1, 47, 41, 47, 1, 63, 13, 59, 37, 55, 1, 71, 29, 63, 41, 59, 1, 87, 1, 63, 53, 63, 33, 91, 1, 71, 49, 91, 1, 95, 1, 75, 69, 79, 33, 107, 1, 95, 53 ]
[ "nonn" ]
A041284
[ 12, 25, 112, 249, 6088, 12425, 55788, 124001, 3031812, 6187625, 27782312, 61752249, 1509836288, 3081424825, 13835535588, 30752496001, 751895439612, 1534543375225, 6890068940512, 15314681256249 ]
[ "nonn", "cofr", "frac", "easy" ]
A326481
[ 1, -2, 2, 4, -16, -32, 272, 544, -7936, -15872, 353792, 707584, -22368256, -44736512, 1903757312, 3807514624, -209865342976, -419730685952, 29088885112832, 58177770225664, -4951498053124096, -9902996106248192, 1015423886506852400 ]
[ "sign" ]
A019994
[ 2, 21, 929, 3380, 44668, 45653, 90314, 442076, 1511645, 2108657, 6512625, 59305467, 268601019, 418467213, 680269244, 712120382, 838792718, 1067470406, 1095301586, 53830654373, 62793395990, 137694158842 ]
[ "nonn" ]
A384741
[ 1, 1, 0, 1, 1, 0, 1, 2, 3, 0, 1, 3, 8, 28, 0, 1, 4, 15, 74, 461, 0, 1, 5, 24, 144, 1200, 11776, 0, 1, 6, 35, 244, 2325, 29842, 421207, 0, 1, 7, 48, 380, 3968, 56688, 1040896, 19832128, 0, 1, 8, 63, 558, 6285, 95524, 1933227, 47948490, 1179482201, 0 ]
[ "nonn", "tabl" ]
A102327
[ 1753, 2357, 7103, 9749, 13441, 16453, 21467, 22739, 25153, 28409, 29059, 33247, 33347, 36781, 42853, 51427, 57751, 58453, 62347, 65777, 66593, 69119, 72923, 78643, 80407, 83591, 85619, 89909, 91411, 99409, 101209, 101363, 113171, 124337 ]
[ "nonn" ]
A270404
[ 2, 7, 58, 5005, 17866792, 376849528799811, 2.0029377504657505e+29, 3.2943134937280085e+58 ]
[ "nonn", "frac", "easy" ]
A113091
[ 1, 12, 255, 11326, 1136709, 272246616, 162043308555, 246976754748242, 985451332639242400, 1.0465989453804483e+22, 2.996845480412974e+26, 2.337348132788895e+31, 5.0070606529634724e+36 ]
[ "nonn" ]
A210984
[ 2, 6, 8, 14, 16, 20, 28, 32, 34, 40, 50, 56, 58, 62, 70, 82, 90, 94, 96, 102, 112, 126, 136, 142, 144, 148, 156, 168, 184, 196, 204, 208, 210, 216, 226, 240, 258, 272, 282, 288, 290, 294, 302, 314, 330, 350, 366, 378, 386, 390, 392, 398, 408, 422, 440, 462 ]
[ "nonn", "tabl" ]
A018710
[ 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900 ]
[ "nonn", "fini", "full", "easy" ]
A348708
[ 0, 4, 30, 303, 3053, 30421, 303857, 3039127, 30395383, 303963673, 3039652332, 30396399068, 303963519954, 3039635209356, 30396355530761, 303963552535238, 3039635510867921, 30396355103617024, 303963550950390700, 3039635508820145000, 30396355092470750000, 303963550928711250000 ]
[ "nonn" ]
A042789
[ 1, 2, 5, 12, 29, 1752, 3533, 8818, 21169, 51156, 3090529, 6232214, 15554957, 37342128, 90239213, 5451694908, 10993629029, 27438952966, 65871534961, 159182022888, 9616792908241, 19392767839370, 48402328586981, 116197425013332, 280797178613645 ]
[ "nonn", "frac", "easy" ]
A385451
[ 5, 11, 14, 7, 10, 71, 13, 101, 48, 129, 18, 17, 46, 37, 22, 27, 62, 35, 28, 55, 66, 3279, 92, 49, 42, 155, 32, 1721, 154, 81, 50, 59, 38, 229, 152, 53, 222, 859, 58, 393, 190, 45, 52, 73, 68, 97, 104, 60, 128, 63, 72, 87, 436, 401, 136, 673, 142, 429, 272, 163 ]
[ "nonn", "easy" ]
A017417
[ 32, 371293, 7962624, 52521875, 205962976, 601692057, 1453933568, 3077056399, 5904900000, 10510100501, 17623416832, 28153056843, 43204003424, 64097340625, 92389579776, 129891985607, 178689902368, 241162079949, 320000000000, 418227202051, 539218609632 ]
[ "nonn", "easy" ]
A236859
[ 0, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2 ]
[ "nonn" ]
A384181
[ 2, 3, 71, 97, 179, 181, 211, 223, 251, 283, 431, 503, 577, 827, 857, 971, 1019, 1021, 1109, 1213, 1249, 1259, 1279, 1289, 1373, 1427, 1429, 1483, 1571, 1609, 1619, 1637, 1699, 1709, 1759, 1801, 2053, 2129, 2141, 2213, 2269, 2281, 2293, 2297, 2339, 2381, 2477, 2503 ]
[ "nonn" ]
A145756
[ 2, 6, 62, 210, 2570, 9198, 121574, 6170930, 23091222, 1238188770, 17878237850, 68186767614, 998138215286, 56649051916610, 3256840408493918, 12600235023025650, 734198769102867700, 11085367330679919000 ]
[ "nonn" ]
A021884
[ 1, 23, 358, 4758, 58419, 686541, 7864936, 88727036, 991573957, 11016698979, 121950785034, 1346833901634, 14852822151415, 163644677778137, 1801937252261452, 19834231783445350, 218267009404507600 ]
[ "nonn", "easy" ]
A308848
[ 1, -1, -1, 5, 7, -71, -139, 2071, 5335, -103207, -331511, 7853251, 30256381, -847377805, -3808492297, 123081031165, 632196102455, -23155450005175, -133802756269735, 5477371955388355, 35167483918412256, -1591161899246627300, -11237664710770160000, 556875003328690900000, 4.2905006762725736e+21 ]
[ "sign" ]
A286608
[ 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 27, 28, 30, 32, 33, 35, 36, 39, 40, 42, 44, 45, 48, 49, 50, 52, 54, 55, 56, 60, 63, 64, 65, 66, 68, 70, 72, 75, 77, 78, 80, 81, 84, 85, 88, 90, 91, 96, 98, 99, 100, 102, 104, 105, 108, 110, 112, 117, 119, 120, 121, 125, 126, 128, 130 ]
[ "nonn", "base" ]
A178797
[ 0, 1, 8, 32, 104, 261, 544, 1000, 1696, 2759, 4296, 6434, 9352, 13243, 18304, 24774, 32960, 43223, 55976, 71752, 90936, 113973, 141312, 173436, 210960, 254587, 305000, 364406, 432824, 511421, 600992, 702556, 817200, 946131, 1090392, 1251238 ]
[ "nonn" ]
A204493
[ 3971, 339311, 18296109, 2046727035, 208673819127, 16952599195335, 2150256810788631, 231484563516049060, 17383011406345705000, 2.3925899164237724e+21, 2.416623688693357e+23 ]
[ "nonn" ]
A170293
[ 1, 44, 1892, 81356, 3498308, 150427244, 6468371492, 278139974156, 11960018888708, 514280812214444, 22114074925221092, 950905221784507000, 40888924536733800000, 1.7582237550795534e+21, 7.56036214684208e+22 ]
[ "nonn" ]
A358438
[ 4, 6, 15, 25, 34, 35, 46, 62, 69, 74, 94, 106, 119, 121, 122, 134, 142, 146, 158, 169, 178, 206, 213, 214, 235, 249, 253, 265, 267, 299, 303, 319, 321, 334, 382, 395, 422, 445, 446, 454, 466, 469, 482, 514, 517, 538, 586, 589, 591, 623, 629 ]
[ "nonn" ]
A231639
[ 21, 599, 69671, 7176194, 722149510, 72839521581, 7337927223290, 739300928401336, 74484943708241710, 7504342874539245000, 756062619205812400000, 7.617328358446627e+22, 7.674456207021624e+24 ]
[ "nonn" ]
A016190
[ 1, 20, 301, 4040, 51001, 620060, 7352101, 85656080, 985263601, 11225320100, 126965305501, 1427999420120, 15990423157801, 178436520564140, 1985678518660501, 22048354837360160, 244384923399813600 ]
[ "nonn", "easy" ]
A386235
[ 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 4, 6, 3, 7, 8, 6, 7, 6, 9, 8, 9, 9, 9, 15, 11, 13, 16, 13, 17, 15, 16, 17, 16, 19, 19, 23, 19, 21, 27, 23, 26, 24, 25, 29, 27, 28, 30, 32, 32, 34, 37, 35, 36, 37, 38, 40, 38, 38, 44, 46, 43, 46, 48, 50, 50, 48, 50, 50, 54, 52, 56, 60, 54, 64, 63, 62, 64 ]
[ "nonn" ]
A338659
[ 27, 1, 34, 81, 15, 81, 48, 86, 150, 37, 355, 23, 37, 47, 56, 15, 37, 44, 55, 37, 43, 37, 14, 17, 27, 340, 811, 27, 37, 340, 15, 37, 37, 15, 23, 35, 14, 91, 22, 48, 44, 233, 63, 33, 53, 75, 37, 3, 75, 37, 14, 27, 811, 37, 27, 88, 37, 63, 37, 171, 22, 391, 74, 43, 44, 37, 43, 480, 37, 37, 478 ]
[ "nonn", "base" ]
A243741
[ 1, 0, 0, 0, 0, 0, 1, 7, 28, 84, 210, 462, 925, 1723, 3038, 5145, 8498, 13930, 23143, 39859, 72500, 140266, 286678, 609217, 1323197, 2897511, 6339636, 13787488, 29726648, 63472185, 134190162, 280988786, 583076160, 1199816068, 2449963412, 4967798570, 10009806563 ]
[ "nonn" ]
A261926
[ 3, 3, 3, 6, 3, 3, 6, 9, 5, 6, 5, 7, 9, 5, 6, 3, 3, 6, 9, 5, 7, 5, 9, 3, 5, 3, 6, 3, 3, 6, 10, 6, 7, 7, 9, 5, 5, 5, 7, 7, 5, 5, 9, 9, 9, 5, 6, 3, 3, 6, 9, 5, 6, 5, 7, 10, 6, 7, 3, 6, 9, 7, 7, 9 ]
[ "nonn" ]
A019974
[ 4, 0, 1, 0, 7, 8, 0, 9, 3, 3, 5, 3, 5, 8, 4, 4, 7, 1, 6, 3, 4, 5, 7, 1, 5, 1, 2, 9, 4, 6, 3, 4, 1, 8, 0, 7, 8, 5, 2, 0, 1, 2, 1, 2, 3, 8, 0, 0, 9, 8, 3, 4, 9, 5, 0, 2, 7, 2, 9, 8, 9, 0, 8, 2, 2, 1, 7, 3, 8, 2, 5, 8, 4, 5, 9, 1, 3, 5, 3, 8, 9, 8, 1, 4, 9, 5, 3, 7, 6, 9, 6, 9, 6, 2, 4, 0, 3, 3, 7 ]
[ "nonn", "cons", "easy", "changed" ]