Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A049910
[ 1, 2, 3, 5, 9, 19, 37, 73, 144, 292, 583, 1165, 2328, 4652, 9294, 18570, 37104, 74280, 148559, 297117, 594232, 1188460, 2376910, 4753802, 9507568, 19015065, 38029982, 76059673, 152118764, 304236365, 608470406, 1216936170, 2433863064 ]
[ "nonn" ]
A357121
[ 1, 2, 1, 2, 4, 1, 4, 2, 4, 1, 2, 4, 1, 7, 2, 7, 1, 2, 7, 4, 7, 1, 4, 7, 2, 4, 7, 1, 2, 4, 7, 2, 13, 1, 2, 13, 4, 13, 1, 4, 13, 2, 4, 13, 1, 2, 4, 13, 1, 7, 13, 2, 7, 13, 1, 2, 7, 13, 4, 7, 13, 1, 4, 7, 13, 2, 4, 7, 13, 1, 2, 4, 7, 13, 4, 24, 1, 4, 24, 2, 4, 24 ]
[ "nonn", "tabf" ]
A297583
[ 1, 5, 11, 17, 39, 93, 183, 373, 823, 1741, 3599, 7637, 16247, 34125, 71871, 152133, 321127, 676861, 1429135, 3017909, 6367607, 13437869, 28367775, 59874021, 126360711, 266707549, 562939183, 1188130069, 2507681687, 5292853517 ]
[ "nonn" ]
A145118
[ 1, 1, 1, -1, 1, -2, 1, -4, 2, 1, -6, 6, 1, -9, 18, -6, 1, -12, 36, -24, 1, -16, 72, -96, 24, 1, -20, 120, -240, 120, 1, -25, 200, -600, 600, -120, 1, -30, 300, -1200, 1800, -720, 1, -36, 450, -2400, 5400, -4320, 720, 1, -42, 630, -4200, 12600, -15120 ]
[ "easy", "sign", "tabf" ]
A354304
[ 1, 0, 1, 2, 43, 403, 23213, 118483, 51997111, 1842647621, 327581799289, 8918414485643, 4670006130663971, 361730891537680060, 130890931830249780000, 427294615628884600000, 6.534075316966069e+24, 8.851630155952471e+26, 4.152656174521051e+28 ]
[ "nonn", "frac" ]
A185198
[ 2, 3, 4, 5, 8, 8, 4, 7, 6, 1, 6, 3, 4, 6, 3, 8, 6, 4, 4, 1, 2, 0, 1, 7, 0, 0, 3, 5, 4, 0, 2, 5, 0, 0, 4, 7, 0, 5, 0, 9, 9, 6, 6, 7, 1, 0, 8, 3, 2, 7, 0, 9, 5, 8, 0, 7, 0, 4, 0, 3, 4, 0, 4, 4, 7, 4, 5, 7, 3, 4, 2, 5, 1, 0, 6, 4, 4, 6, 0, 4, 7, 2, 4, 8, 3, 7, 7, 7, 4, 5, 6, 8, 0, 2, 2, 4, 6, 7, 2 ]
[ "cons", "nonn" ]
A211823
[ 0, 2, 4, 8, 12, 14, 18, 20, 22, 30, 34, 40, 42, 44, 48, 54, 58, 60, 64, 68, 70, 78, 82, 84, 90, 92, 98, 102, 104, 110, 112, 118, 124, 128, 130, 142, 144, 152, 154, 158, 162, 170, 172, 174, 180, 184, 188, 194, 198, 200, 208, 222, 224, 228, 230, 232, 238, 240, 242 ]
[ "nonn", "base" ]
A053198
[ 2, 4, 6, 8, 20, 18, 16, 42, 32, 54, 110, 100, 64, 156, 162, 128, 272, 294, 342, 256, 506, 500, 486, 812, 930, 512, 1210, 1332, 1640, 1806, 1024, 1458, 2028, 2162, 2058, 2756, 2500, 3422, 3660, 2048, 4422, 4624, 4970, 5256, 6162, 4374, 6498, 6806, 7832, 4096 ]
[ "nonn" ]
A282327
[ 1, 9, 77, 534, 3320, 18933, 100770, 506697, 2428161, 11161765, 49469005, 212246744, 884491121, 3589900607, 14223638534, 55122970206, 209307080221, 779837798559, 2854660220661, 10278494869342, 36439277959593, 127311828611819, 438712861233581 ]
[ "nonn" ]
A296725
[ 2, 3, 3, 5, 9, 5, 8, 21, 21, 8, 13, 57, 69, 57, 13, 21, 153, 258, 258, 153, 21, 34, 393, 963, 1463, 963, 393, 34, 55, 1041, 3493, 8315, 8315, 3493, 1041, 55, 89, 2745, 12860, 44668, 72533, 44668, 12860, 2745, 89, 144, 7185, 47305, 246923, 579857, 579857, 246923 ]
[ "nonn", "tabl" ]
A362505
[ 0, 1, 4, 9, 11, 16, 25, 36, 44, 49, 64, 81, 99, 100, 111, 121, 144, 169, 176, 196, 225, 252, 256, 275, 289, 324, 361, 396, 400, 403, 441, 444, 484, 529, 539, 574, 576, 625, 676, 704, 729, 736, 765, 784, 841, 891, 900, 961, 976, 999, 1000, 1008, 1010, 1024 ]
[ "nonn", "base" ]
A260857
[ 0, 1, 64, 3249, 160000, 7845601, 384473664, 131870760799, 316621469105950, 760208147660764000, 1.8252597625615142e+21, 4.3824486899115805e+24, 1.0522259304477771e+28, 2.5263944590051134e+31, 6.0658730960712775e+34 ]
[ "nonn", "base" ]
A058753
[ 1, 0, 1, 1, 2, 1, 2, 1, 3, 3, 4, 3, 6, 4, 7, 6, 10, 8, 12, 11, 16, 14, 20, 18, 26, 23, 31, 30, 40, 37, 49, 46, 60, 58, 73, 71, 90, 87, 109, 107, 133, 130, 160, 157, 192, 190, 229, 229, 275, 274, 326, 328, 388, 390, 459, 463, 542, 550, 638, 649, 752, 764, 880, 899, 1031, 1054, 1204 ]
[ "nonn" ]
A377126
[ 1, 2, 4, 1, 4, 4, 4, 1, -1, 1, 2, 4, 1, 1, 2, 1, 2, 4, -1, 4, 4, 4, 1, 1, 2, 4, 4, 4, -1, 4, 4, 2, 2, 1, 1, 4, 2, 2, -1, 2, 4, 2, 4, 1, 4, 1, 1, 4, -1, 1, 1, 1, 4, 1, 4, 4, 4, 1, -1, 4, 2, 4, 1, 1, 2, 2, 4, 4, -1, 4, 4, 4, 4, 1, 4, 4, 4, 4, -1, 4, 4, 4, 4, 1 ]
[ "sign", "base" ]
A358809
[ 1, 0, 4, 186, 21823, 4569098, 1713573909 ]
[ "nonn", "hard", "more" ]
A320115
[ 1, 2, 3, 4, 5, 6, 3, 7, 8, 9, 3, 10, 5, 6, 11, 12, 5, 13, 3, 14, 11, 6, 3, 15, 16, 9, 11, 10, 5, 17, 3, 18, 11, 9, 11, 19, 5, 6, 11, 20, 5, 17, 3, 10, 21, 6, 3, 22, 8, 23, 11, 14, 5, 17, 11, 15, 11, 9, 3, 24, 5, 6, 25, 26, 27, 17, 3, 14, 11, 17, 3, 28, 5, 9, 25, 10, 11, 17, 3, 29, 30, 9, 3, 24, 27, 6, 11, 15, 5, 31, 11, 10, 11, 6, 11, 32, 5, 13, 25, 33, 5, 17, 3, 20 ]
[ "nonn" ]
A274081
[ 1, 5, 560, 277200, 369969600, 1040623584000, 5318844410880000, 44743448895425280000, 5.7710275849824996e+23, 1.0821132329283107e+28, 2.830021225898331e+32, 9.986037506585077e+36, 4.626841512120301e+41 ]
[ "nonn" ]
A014433
[ 1, 4, 4, 20, 52, 228, 804, 3444, 13780, 59588, 253252, 1113556, 4892276, 21860260, 98055780, 444148020, 2021194260, 9257373060, 42583930500, 196811777940, 913015265460, 4251135572580, 19856669967780, 93027410579700, 436999575464532, 2057978301836868, 9713953354107844 ]
[ "nonn" ]
A022864
[ 1, 2, 2, 3, 5, 7, 10, 16, 25, 41, 65, 105, 169, 274, 443, 720, 1169, 1898, 3082, 5007, 8135, 13216, 21473, 34891, 56692, 92118, 149682, 243219, 395210, 642182, 1043490, 1695582, 2755177, 4476933, 7274641, 11820688, 19207633, 31210810 ]
[ "nonn" ]
A070434
[ 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1, 4, 9, 5, 3, 3, 5, 9, 4, 1, 0, 1 ]
[ "nonn", "easy" ]
A181614
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 0, 24, 3, 1, 6, 23, 0, 2, 0, 0, 7, 5, 0, 22, 6, 0, 4, 1, 0, 3, 21, 5, 5, 2, 0, 20, 3, 4, 0, 4, 0, 1, 26, 0, 3, 19, 0, 2, 0, 3, 25, 26, 0, 9, 2, 2, 18, 24, 0, 25, 1, 0, 23, 8, 4, 1, 24, 1, 0, 17, 0, 23, 22, 2, 7, 24, 3, 16, 0, 0, 23, 22, 0 ]
[ "nonn", "base" ]
A301158
[ 1, 4, 10, 21, 38, 57, 76, 105, 146, 182, 212, 262, 325, 373, 414, 483, 575, 639, 686, 782, 897, 966, 1023, 1141, 1291, 1373, 1429, 1581, 1757, 1838, 1901, 2076, 2294, 2387, 2443, 2657, 2902, 2989, 3051, 3290, 3582, 3678, 3728, 4013, 4334, 4417, 4470 ]
[ "nonn" ]
A279813
[ 2, 3, 3, 1, 3, 2, 1, 4, 2, 3, 2, 5, 5, 6, 3, 5, 4, 1, 3, 3, 2, 1, 2, 3, 3, 1, 4, 1, 2, 3, 1, 3, 2, 1 ]
[ "nonn", "base", "more" ]
A162619
[ 1, 1, 2, 2, 3, 4, 3, 4, 5, 6, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 12, 10, 11, 12, 13, 14, 15, 16, 11, 12, 13, 14, 15, 16, 17, 18, 14, 15, 16, 17, 18, 19, 20, 21, 22, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 25, 26, 27, 28, 29, 30, 31, 32, 33 ]
[ "easy", "nonn", "tabl" ]
A239966
[ 0, 1, 1, 1, 1, 1, 2, 2, 4, 3, 6, 5, 8, 6, 13, 6, 15, 10, 19, 12, 24, 15, 33, 22, 38, 28, 52, 39, 61, 51, 78, 66, 94, 85, 118, 103, 140, 130, 168, 165, 194, 190, 244, 230, 274, 285, 328, 327, 394, 386, 449, 485, 522, 540, 646, 639, 712, 790, 846, 880, 1025 ]
[ "nonn", "easy" ]
A353281
[ 56, 91, 112, 153, 182, 224, 273, 364, 392, 406, 448, 459, 616, 637, 703, 728, 752, 784, 812, 819, 896, 952, 979, 1001, 1064, 1071, 1183, 1232, 1274, 1288, 1377, 1406, 1431, 1456, 1504, 1547, 1568, 1624, 1683, 1729, 1736, 1792, 1892, 1904, 1911, 1958, 1989 ]
[ "nonn" ]
A364437
[ 1, 1, 6, 42, 326, 2712, 23676, 214068, 1987488, 18838464, 181548960, 1773566208, 17523740592, 174814263088, 1758342057504, 17812729393248, 181581358338528, 1861259423846400, 19172185074938110, 198354225907274500, 2060279149742042000 ]
[ "nonn" ]
A183235
[ 1, 1, 9, 244, 15833, 1980126, 428447592, 146966837193, 75263273895385, 54867365927680616, 54868847079435960000, 7.303050854659968e+22, 1.2619714464428741e+26, 2.772551614673309e+29 ]
[ "nonn" ]
A374143
[ 9, 1053, 12641, 68141, 365641, 953181, 2830641, 6232341, 13969041, 23211261, 104733741, 84994021, 175873641, 159851141, 538547641, 602713041, 810204416, 1019740041, 1053265741, 1972957241, 3339356041, 5914492241, 6886737541, 6388758241, 8902368041, 7858982841, 4942246941, 18439299341, 26639916441 ]
[ "nonn" ]
A370944
[ 2, 8, 0, 2, 5, 1, 7, 0, 7, 6, 8, 8, 8, 1, 4, 7, 0, 8, 9, 3, 5, 3, 3, 5, 5, 8, 7, 0, 6, 4, 4, 1, 3, 5, 9, 8, 8, 8, 8, 7, 8, 6, 3, 4, 7, 9, 5, 5, 0, 9, 8, 5, 7, 2, 7, 3, 2, 1, 6, 9, 0, 3, 7, 2, 7, 8, 2, 7, 0, 8, 0, 5, 4, 4, 2, 2, 8, 8, 9, 5, 3, 5, 3, 0, 0, 2 ]
[ "nonn", "cons" ]
A236306
[ 0, 2, 2, 0, 2, 2, 3, 2, 5, 2, 11, 2, 17, 5, 5, 2, 2, 2, 2, 13, 5, 3, 2, 3, 5, 2, 11, 2, 67, 3, 3, 2, 3, 2, 2, 13, 53, 2, 5, 2, 2, 2, 47, 5, 2, 3, 2, 3, 2, 29, 3, 7, 137, 11, 3, 5, 2, 59, 31, 13, 17, 2, 5, 23, 47, 2, 101, 23, 2, 2, 13, 7, 43, 2, 2, 5, 2, 109, 3, 127 ]
[ "nonn" ]
A143700
[ 1, 1, 1, 1, 5, 1, 3, 13, 169, 25, 243, 375, 11, 49, 7, 3, 18225, 71875, 4913, 1701, 144027, 1825, 3483, 2197, 9156027, 131989, 1103, 5103, 38525, 458703, 1523, 3483891, 19283525 ]
[ "nonn", "more" ]
A325673
[ -3, 0, 1, -3, 6, -9, 9, 0, -27, 81, -162, 243, -243, 0, 729, -2187, 4375, -6579, 6732, -1139, -13719, 32946, -18921, -158355, 851598, -2896919, 8097219, -20058300, 45540943, -96506229, 193012458, -367077447, 667617642, -1166803109, 1968991969, -3225375252 ]
[ "easy", "sign" ]
A078865
[ 1, 6, 45, 525, 6930, 120120, 2297295, 53348295, 1561650090, 48522699225, 1805044411170, 74207381348100, 3194627767035705, 150451755314205340, 7993567173650388000, 472542797919255660000, 2.884140525231319e+22 ]
[ "easy", "nonn" ]
A317038
[ 3, 9, 14, 33, 90, 204, 527, 1547, 4509, 13756, 44003, 143486, 475482, 1595723, 5396281, 18338839, 62514686, 213545607, 730447004, 2500465998, 8563969469, 29341435507, 100548091093, 344604361018, 1181151528141, 4048673516576 ]
[ "nonn" ]
A281233
[ 2, 3, 4, 5, 7, 18, 35, 52, 168, 335, 502, 1668, 3335, 5002, 14287, 16668, 33335, 50002, 166668, 333335, 500002, 1666668, 3333335, 5000002, 16666668, 33333335, 50000002, 166666668, 333333335, 500000002, 1666666668, 3333333335 ]
[ "nonn", "base", "more" ]
A150103
[ 1, 2, 6, 19, 68, 255, 984, 3929, 16013, 66253, 278482, 1183947, 5079517, 21992997, 95913334, 420824859, 1857477019, 8239560040, 36707294405, 164224110552, 737390796048, 3321642113284, 15009789841105, 68013861083631, 308958608029480, 1406890127444539, 6420448495277942, 29358341405419170 ]
[ "nonn", "walk" ]
A215581
[ 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1 ]
[ "nonn", "easy" ]
A199408
[ 1, 2, 2, 3, 4, 3, 4, 4, 6, 4, 5, 6, 7, 8, 5, 6, 6, 6, 8, 10, 6, 7, 8, 9, 10, 11, 12, 7, 8, 8, 10, 8, 12, 12, 14, 8, 9, 10, 9, 12, 13, 12, 15, 16, 9, 10, 10, 12, 12, 10, 14, 16, 16, 18, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 11, 12, 12, 12, 12, 16, 12 ]
[ "nonn", "tabl", "easy" ]
A009286
[ 1, 3, 4, 14, 12, 12, 24, 60, 78, 36, 60, 28, 84, 24, 24, 248, 144, 78, 180, 168, 96, 180, 264, 120, 620, 84, 360, 168, 420, 72, 480, 1008, 240, 432, 48, 1092, 684, 180, 168, 720, 840, 96, 924, 420, 312, 792, 1104, 496, 798, 1860, 288, 1176, 1404, 360, 360, 120, 720, 1260 ]
[ "nonn" ]
A160893
[ 1, 31, 121, 496, 781, 3751, 2801, 7936, 9801, 24211, 16105, 60016, 30941, 86831, 94501, 126976, 88741, 303831, 137561, 387376, 338921, 499255, 292561, 960256, 488125, 959171, 793881, 1389296, 732541, 2929531, 954305, 2031616, 1948705 ]
[ "nonn", "mult" ]
A310928
[ 1, 4, 7, 16, 17, 22, 26, 29, 41, 38, 46, 46, 51, 64, 61, 68, 68, 73, 89, 82, 90, 90, 95, 114, 103, 114, 110, 117, 137, 126, 136, 132, 139, 162, 147, 158, 154, 161, 187, 168, 182, 174, 183, 210, 191, 204, 196, 205, 235, 212 ]
[ "nonn" ]
A278951
[ 1, 11, 100, 1110, 10000, 111100, 1001010, 11111110, 100000000, 1111000000, 10010100000, 111111110000, 1000000001000, 11110000011100, 100101000100010, 1111111101110110, 10000000000000000, 111100000000000000, 1001010001010000000, 11111111011011000000 ]
[ "nonn", "easy" ]
A375311
[ 0, 1, 4, 3, 3, 2, 8, 7, 7, 6, 6, 5, 7, 6, 6, 5, 5, 4, 6, 5, 5, 4, 4, 3, 13, 12, 12, 11, 11, 10, 12, 11, 11, 10, 10, 9, 11, 10, 10, 9, 9, 8, 10, 9, 9, 8, 8, 7, 12, 11, 11, 10, 10, 9, 11, 10, 10, 9, 9, 8, 10, 9, 9, 8, 8, 7, 9, 8, 8, 7, 7, 6, 11, 10, 10, 9, 9, 8 ]
[ "nonn" ]
A365727
[ 1, 0, 0, 0, 1, 1, 0, 0, 1, 3, 2, 0, 1, 6, 10, 5, 1, 10, 30, 35, 15, 15, 70, 140, 127, 63, 140, 420, 631, 490, 384, 1050, 2311, 2808, 2136, 2739, 6931, 12057, 12672, 11055, 19449, 42097, 61050, 60060, 66353, 131054, 241670, 306735, 308881, 428792, 835614, 1337765 ]
[ "nonn" ]
A093891
[ 1, 2, 4, 6, 8, 10, 12, 16, 18, 20, 24, 28, 30, 32, 36, 40, 42, 48, 54, 56, 60, 64, 66, 70, 72, 78, 80, 84, 88, 90, 96, 100, 104, 108, 112, 120, 126, 128, 132, 140, 144, 150, 156, 160, 162, 168, 176, 180, 192, 196, 198, 200, 204, 208, 210, 216, 220, 224, 228, 234, 240 ]
[ "nonn" ]
A264129
[ 80, 1040, 13600, 178000, 2330000, 30500000, 399250000, 5226250000, 68412500000, 895531250000, 11722656250000, 153451562500000, 2008707031250000, 26294316406250000, 344197070312500000, 4505598144531250000 ]
[ "nonn" ]
A270880
[ 1, 0, 1, 0, 1, 3, 0, 1, 28, 28, 0, 1, 400, 1680, 840, 0, 1, 10416, 168640, 277760, 83328, 0, 1, 525792, 36053248, 159989760, 139991040, 27998208, 0, 1, 51116992, 17811244032, 209056841728, 419919790080, 227569434624, 32509919232 ]
[ "nonn", "tabl" ]
A192188
[ 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 70, 72, 73, 74, 75 ]
[ "nonn" ]
A203409
[ 1, 15, 1075, 21201, 1549717, 30571395, 2234690407, 44083929957, 3222422016745, 63568996426167, 4646730313455451, 91666448762602430, 6700581889580743000, 132182955546676260000, 9.66223443804512e+21, 1.9060773023185843e+23, 1.393293535907917e+25 ]
[ "nonn", "easy" ]
A365298
[ 1, 4, 9, 2, 25, 36, 49, 1, 3, 100, 121, 18, 169, 196, 225, 2, 289, 12, 361, 50, 441, 484, 529, 9, 5, 676, 1, 98, 841, 900, 961, 1, 1089, 1156, 1225, 6, 1369, 1444, 1521, 25, 1681, 1764, 1849, 242, 75, 2116, 2209, 18, 7, 20, 2601, 338, 2809, 4, 3025, 49, 3249, 3364 ]
[ "nonn", "easy", "mult" ]
A185305
[ 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 2, 1, 1, 0, 2, 0, 1, 1, 3, 2, 1, 0, 3, 0, 1, 1, 4, 9, 1, 0, 5, 0, 1, 1, 6, 49, 1, 0, 7, 0, 1, 1, 9, 455, 1, 0, 10, 0, 1, 1, 1, 13, 5784, 2, 1, 0, 15, 0, 8, 1, 1, 18, 90940, 131, 1, 0, 21, 0, 3917, 1, 1, 26, 1620491, 123859 ]
[ "nonn", "hard", "tabf" ]
A090438
[ 1, 12, 8, 1, 360, 480, 180, 24, 1, 20160, 40320, 25200, 6720, 840, 48, 1, 1814400, 4838400, 4233600, 1693440, 352800, 40320, 2520, 80, 1, 239500800, 798336000, 898128000, 479001600, 139708800, 23950080, 2494800, 158400, 5940, 120, 1 ]
[ "nonn", "easy", "tabf" ]
A254458
[ 1, 32, 2293, 217969, 22734496, 2441987149, 264719566561, 28778500622048, 3131382012183077, 340819280011906400, 37097936406550230000, 4.0381928195178265e+21, 4.395699600228549e+23, 4.784869517495687e+25, 5.20849856927983e+27 ]
[ "nonn" ]
A326383
[ 4095, 262143, 265720, 531440, 1048575, 5592405, 11184810, 122070312, 183105468, 193710244, 244140624, 268435455, 387420488 ]
[ "nonn", "base", "more" ]
A055369
[ 1, 11, 83, 466, 2169, 8627, 30329, 96046, 278705, 749989, 1890917, 4502409, 10193231, 22062915, 45872186, 91979858, 178478201, 336129391, 615995687, 1100970460, 1922934406, 3287809354, 5511659178, 9071898905, 14679098822 ]
[ "nonn" ]
A322127
[ 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 5, 5, 5, 1, 1, 1, 3, 5, 5, 1, 1, 1, 1, 7, 7, 35, 7, 7, 1, 1, 1, 4, 14, 7, 7, 7, 1, 1, 1, 1, 9, 6, 7, 21, 7, 1, 1, 1, 1, 1, 5, 15, 5, 7, 7, 1, 1, 1, 1, 1, 1, 11, 55, 55, 11, 77, 11, 11, 11, 11, 1, 1, 1, 6, 11, 55, 33, 11, 11, 11, 11, 11, 1, 1, 1 ]
[ "nonn", "frac", "tabl", "look" ]
A123040
[ 43, 167, 229, 347, 353, 409, 769, 1097, 1277, 1283, 1439, 1619, 1823, 1861, 1979, 2003, 2089, 2213, 2221, 2393, 2549, 2579, 2729, 2791, 2939, 2971, 3001, 3119, 3167, 3181, 3229, 3299, 3323, 3329, 3361, 3533, 3541, 3571, 3697, 3931, 4049, 4079, 4111, 4159, 4259 ]
[ "easy", "nonn" ]
A367661
[ 1, 2, 4, 8, 16, 32, 66, 136, 280, 576, 1184, 2436, 5012, 10312, 21216, 43648, 89800, 184752, 380104, 782016, 1608896, 3310096, 6810096, 14010896, 28825616, 59304992, 122012384, 251024768, 516451136, 1062531712, 2186022176, 4497459138, 9252943048 ]
[ "nonn" ]
A098650
[ 9, 341, 91, 217, 1105, 25, 561, 15, 21, 561, 1541, 45, 45, 703, 645, 33, 561, 35, 1729, 49, 703, 1729, 561, 45, 561, 1891, 105, 1105, 77, 341, 65, 91, 65, 1729, 1105, 341, 87, 91, 561, 561, 1105, 85, 91, 561, 105, 111, 561, 703, 2465, 91, 561, 105, 781, 561, 91 ]
[ "nonn" ]
A338161
[ 1, -2, 4, -3, -5, 11, -6, -7, 8, 9, 10, 12, 13, -14, -16, -15, -17, 18, 19, -20, 21, 22, 23, 24, 25, -26, -27, -34, -28, -29, -30, 31, 32, 33, 35, -36, 37, 38, 39, 40, 41, -42, -43, -44, -57, -45, -46, -47, 48, 49, -50, 51, 52, 53, -55, 54, 56, 58, 59, 60, 61, -62, -63, -64, -65, -83, -66, -67, -68, -69, 70, 71 ]
[ "sign" ]
A095590
[ 1.1111111111111112e+98, 1100011, 10200, 1203, 344, 243, 201, 143, 120, 99, 90, 83, 78, 71, 69, 63 ]
[ "nonn" ]
A166012
[ 1, 2, 3, 4, 7, 10, 17, 26, 43, 68, 111, 178, 289, 466, 755, 1220, 1975, 3194, 5169, 8362, 13531, 21892, 35423, 57314, 92737, 150050, 242787, 392836, 635623, 1028458, 1664081, 2692538, 4356619, 7049156, 11405775, 18454930, 29860705, 48315634, 78176339 ]
[ "nonn", "easy" ]
A272833
[ 1, 5, 33, 181, 841, 3533, 14437, 58601, 235089, 941637, 3777085, 15107033, 60420581, 241699417, 966790837, 3867377125 ]
[ "nonn", "more" ]
A314539
[ 1, 5, 8, 15, 18, 22, 29, 30, 39, 40, 45, 52, 54, 60, 64, 68, 74, 78, 81, 89, 91, 96, 101, 105, 110, 115, 118, 124, 130, 130, 140, 141, 146, 153, 153, 162, 166, 167, 176, 178, 182, 191, 189, 199, 202, 204, 213, 214, 220, 225 ]
[ "nonn" ]
A172855
[ 0, 5, 355, 126660, 160936020, 596500235301, 5533046895002949, 114246189025868660000, 4.791845694620287e+24, 3.794774024985229e+29, 5.34535448898383e+34 ]
[ "nonn" ]
A189003
[ 1, 1, 8, 15, 95, 192, 1183, 2415, 14824, 30305, 185921, 380160, 2332097, 4768673, 29253160, 59817135, 366944287, 750331584, 4602858719, 9411975375, 57737128904, 118061508289, 724240365697, 1480934568960, 9084693297025, 18576479568193, 113956161827912 ]
[ "nonn", "easy" ]
A100477
[ 0, 1, 2, 8, 29, 105, 381, 1382, 5013, 18184, 65960, 239261, 867887, 3148143, 11419464, 41422565, 150254766, 545028892, 1977018773, 7171368869, 26013173045, 94359275646, 342275541897, 1241558350028, 4503585409524 ]
[ "nonn", "easy" ]
A310715
[ 1, 4, 7, 10, 17, 19, 24, 30, 32, 39, 42, 45, 50, 56, 61, 63, 67, 71, 78, 84, 80, 90, 94, 98, 106, 103, 109, 117, 122, 120, 126, 134, 135, 144, 144, 146, 156, 160, 158, 167, 170, 175, 181, 181, 187, 194, 198, 195, 207, 210 ]
[ "nonn" ]
A362557
[ 0, 1, 0, 1, 1, 2, 0, 3, 1, 1, 2, 1, 3, 3, 0, 6, 1, 2, 2, 3, 3, 1, 6, 4, 0, 8, 1, 4, 2, 5, 3, 2, 4, 1, 5, 2, 6, 1, 8, 5, 0, 11, 1, 7, 2, 6, 3, 3, 4, 3, 5, 4, 6, 1, 7, 2, 8, 1, 11, 6, 0, 14, 1, 9, 2, 9, 3, 5, 4, 5, 5, 6, 6, 2, 7, 3, 8, 2, 9, 2, 11, 1, 14, 7, 0 ]
[ "nonn", "look", "easy" ]
A322323
[ 20, 22, 120, 126, 300, 2200, 4000, 50000, 150000, 202020, 231000, 240000, 600000, 1600000, 2500000, 7000000, 12500000, 14300000, 40400000, 44000000, 80000000, 101250000, 102600000, 108000000, 112500000, 120120120, 126000000, 131400000, 144000000, 180000000, 225000000, 300300300, 312300000 ]
[ "base", "nonn" ]
A013094
[ 2, 17, 617, 48303, 6522881, 1347329463, 394859190065, 155788454490063, 79615692221453950, 51158770289333610000, 4.037080359465399e+22, 3.8380940325618663e+25, 4.326781787357043e+28 ]
[ "nonn" ]
A312015
[ 1, 4, 8, 13, 18, 21, 24, 29, 35, 39, 41, 45, 50, 54, 58, 63, 68, 72, 76, 80, 84, 88, 93, 97, 99, 103, 109, 114, 117, 121, 127, 132, 135, 138, 142, 146, 151, 156, 159, 162, 167, 173, 177, 180, 185, 190, 193, 196, 201, 206 ]
[ "nonn" ]
A139768
[ 21, 38, 57, 58, 71, 81, 127, 148, 164, 181, 188, 195, 204, 208, 209, 212, 232, 244, 249, 250, 251, 252, 267, 269, 270, 300, 317, 326, 356, 357, 382, 398, 407, 409, 416, 417, 420, 447, 448, 453, 471, 479, 480, 481, 492, 502, 505, 528, 530, 548, 554, 561, 570 ]
[ "nonn" ]
A177925
[ 5, 2, 2, 4, 9, 4, 0, 1, 9, 1, 0, 4, 5, 2, 5, 2, 5, 2, 9, 3, 7, 9, 4, 2, 6, 9, 3, 9, 4, 1, 4, 0, 0, 9, 8, 4, 9, 4, 4, 7, 6, 3, 4, 3, 5, 1, 8, 9, 8, 1, 8, 1, 1, 7, 1, 3, 5, 8, 7, 6, 3, 6, 9, 8, 9, 7, 4, 5, 6, 5, 2, 4, 2, 7, 8, 0, 4, 3, 1, 4, 6, 0, 8, 9, 1, 7, 0, 4, 6, 8, 8, 4, 7, 1, 0, 2, 8, 0, 7, 2, 2, 0, 8, 4, 8 ]
[ "cons", "nonn" ]
A001561
[ 90, 1560, 6460, 16848, 34782, 62320, 101520, 154440, 223138, 309672, 416100, 544480, 696870, 875328, 1081912, 1318680, 1587690, 1891000, 2230668, 2608752, 3027310, 3488400, 3994080, 4546408, 5147442, 5799240, 6503860, 7263360, 8079798, 8955232, 9891720 ]
[ "nonn", "easy" ]
A025239
[ 2, 3, 6, 21, 78, 318, 1356, 5997, 27222, 126138, 594132, 2836290, 13692300, 66729180, 327855768, 1622216829, 8076311142, 40427919714, 203353800324, 1027318915254, 5210182030308, 26517609163812, 135397544040744, 693364054299474 ]
[ "nonn" ]
A358245
[ 1, 6, 17, 36, 59, 87, 114, 145, 173, 205, 233, 265, 293, 325, 353, 385, 413, 445, 473, 505, 533, 565, 593, 625, 653, 685, 713, 745, 773, 805, 833, 865, 893, 925, 953, 985, 1013, 1045, 1073, 1105, 1133, 1165, 1193, 1225, 1253, 1285, 1313, 1345, 1373, 1405, 1433 ]
[ "nonn" ]
A047748
[ 4, 6, 8, 9, 10, 11, 13, 14, 15, 16, 17, 17, 18, 19, 20, 21, 22, 22, 23, 24, 25, 25, 26, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33, 34, 34, 35, 35, 36, 37, 37, 38, 39, 39, 40, 40, 41, 42, 42, 43, 43, 44, 45, 45, 46, 46, 47, 47, 48, 48, 49, 50, 50, 51, 51 ]
[ "nonn" ]
A225217
[ 105, 114985, 1136972771, 717429818501, 4.219349739202221e+31, 2.2598519756474984e+45, 6.4968376118158174e+66, 1.3839515413469463e+79 ]
[ "nonn", "hard", "more" ]
A025381
[ 174, 234, 254, 258, 266, 273, 279, 285, 291, 309, 327, 333, 339, 359, 362, 365, 371, 380, 391, 395, 396, 403, 413, 443, 444, 449, 451, 476, 487, 492, 521, 572, 596, 604, 643, 668, 692, 696, 772, 796, 936, 1016, 1032, 1064, 1448, 1520, 1584, 1776, 1904, 1968, 2288 ]
[ "nonn" ]
A263085
[ 1, 3, 5, 7, 10, 12, 14, 18, 20, 22, 26, 28, 31, 35, 37, 39, 43, 47, 49, 53, 55, 57, 63, 65, 68, 72, 74, 78, 82, 84, 86, 92, 96, 98, 102, 104, 106, 112, 116, 118, 123, 125, 129, 133, 135, 139, 143, 147, 149, 155, 157, 159, 167, 169, 171, 175, 177, 181, 187, 191, 194, 198 ]
[ "nonn" ]
A175486
[ 125, 325, 725, 845, 925, 1325, 1525, 1885, 2197, 2405, 2525, 2725, 3125, 3445, 3725, 3925, 3965, 4205, 4325, 4525, 4901, 4925, 5365, 5725, 6253, 6565, 6725, 6845, 6925, 7085, 7325, 7685, 7925, 8125, 8725, 8845, 8957, 9325, 9685, 9725, 9805, 9925, 10205 ]
[ "nonn" ]
A295793
[ 2, 4, 0, 8, 25, 24, 35, 34, 201, 200, 203, 202, 297, 296, 299, 298, 1335, 1334, 1333, 1332, 1331, 1330, 1329, 1328, 3295, 3294, 3293, 3292, 3291, 3290, 3289, 3288, 11749, 11748, 11761, 11760, 11745, 11744, 11765, 11764, 11757, 11756, 19623, 19622, 11753, 11752, 19619, 19618, 25475, 25474, 25473, 25472 ]
[ "nonn", "base", "look" ]
A269676
[ 7, 49, 336, 2282, 15358, 102606, 681254, 4499278, 29579382, 193688894, 1263866086, 8221560942, 53335049558, 345145632286, 2228595939654, 14361269047118, 92377858496182, 593235919318014, 3803941311320486, 24358026991712304 ]
[ "nonn" ]
A213884
[ 1, 4, 1, 2, 2, 5, 1, 2, 1, 2, 1, 4, 4, 5, 5, 1, 4, 7, 1, 4, 2, 4, 4, 1, 2, 8, 7, 4, 1, 1, 2, 1, 1, 4, 7, 4, 1, 1, 7, 4, 8, 2, 7, 4, 8, 8, 7, 2, 2, 1, 8, 2, 8, 5, 7, 1, 8, 4, 8, 1, 4, 1, 4, 7, 1, 2, 8, 2, 4, 1, 4, 8, 4, 5, 8, 2, 1, 2, 7, 7, 5, 1, 4, 8, 7, 4, 1, 4, 2, 2, 4, 5 ]
[ "nonn" ]
A368197
[ 1, 4, 4, 18, 0, 9, 32, 8, 0, 24, 100, 0, 0, 0, 25, 72, 72, 36, 0, 0, 36, 294, 0, 0, 0, 0, 0, 49, 256, 64, 0, 96, 0, 0, 0, 96, 486, 0, 144, 0, 0, 0, 0, 0, 99, 400, 400, 0, 0, 100, 0, 0, 0, 0, 100, 1210, 0, 0, 0, 0, 0, 0, 0, 0, 0, 121 ]
[ "nonn", "tabl" ]
A323997
[ 1, 1, 7, 4, 13, 31, 63047, 1069 ]
[ "nonn", "frac", "more" ]
A181626
[ 4, 0, 10, 12, 50, 100, 298, 700, 1890, 4692, 12250, 31020, 80018, 204100, 524170, 1340572, 3437250, 8799540, 22548538, 57746700, 147940850, 378927652, 970691050, 2486401660, 6369165858, 16314772500, 41791435930, 107050525932, 274216269650, 702418373380, 1799283451978 ]
[ "easy", "nonn" ]
A364387
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1 ]
[ "nonn" ]
A143280
[ 3, 0, 5, 9, 4, 0, 7, 4, 0, 5, 3, 4, 2, 5, 7, 6, 1, 4, 4, 5, 3, 9, 4, 7, 5, 4, 9, 9, 2, 3, 3, 2, 7, 8, 6, 1, 2, 9, 7, 7, 2, 5, 4, 7, 2, 6, 3, 3, 5, 3, 4, 0, 2, 0, 9, 2, 9, 9, 7, 1, 8, 7, 7, 9, 8, 0, 5, 4, 4, 2, 8, 1, 9, 6, 8, 4, 6, 1, 3, 5, 3, 5, 7, 4, 8, 1, 8, 5, 7, 4, 4, 8, 3, 4, 9, 7, 8, 2, 8, 3, 1, 5, 0, 1, 5 ]
[ "nonn", "cons" ]
A330791
[ 1, 4, 16, 58, 624, 1520, 8346, 9317, 31221, 240048, 297624, 778144, 2757880, 4670769, 7654224, 24206384, 54806653, 76521364, 260393208, 846807152, 19488644316, 58671741024, 105968380189, 140689013614, 325374626148, 535755688021, 1404720439053, 3116427665348, 3883018238329, 16166305650060 ]
[ "nonn" ]
A091179
[ 2, 3, 4, 5, 6, 9, 12, 14, 15, 16, 18, 19, 20, 27, 30, 31, 33, 38, 39, 42, 43, 44, 47, 54, 55, 56, 58, 59, 62, 63, 65, 67, 68, 69, 74, 79, 83, 84, 86, 89, 91, 93, 94, 99, 100, 102, 107, 108, 110, 122, 123, 129, 133, 134, 135, 139, 143, 147, 153, 154, 155, 156, 162, 167 ]
[ "easy", "nonn" ]
A016684
[ 4, 1, 1, 0, 8, 7, 3, 8, 6, 4, 1, 7, 3, 3, 1, 1, 2, 4, 8, 7, 5, 1, 3, 8, 9, 1, 0, 3, 4, 2, 5, 6, 1, 4, 7, 4, 6, 3, 1, 5, 6, 8, 1, 7, 4, 3, 0, 8, 1, 2, 6, 1, 0, 6, 2, 9, 3, 7, 3, 8, 3, 6, 4, 6, 4, 1, 9, 4, 3, 9, 8, 0, 6, 8, 4, 4, 9, 4, 8, 7, 3, 1, 1, 8, 5, 4, 2, 9, 2, 0, 6, 1, 0, 0, 1, 0, 3, 7, 7 ]
[ "nonn", "cons" ]
A386445
[ 1, 1, 2, 35, 2904, 749262, 469791130, 609789812623, 1465325443822620, 6004904311876287000, 3.9410188505158e+22, 3.941807115284568e+26, 5.771988198703021e+30, 1.1969949166136379e+35, 3.418976586120193e+39 ]
[ "nonn" ]
A023383
[ 5, 10, 20, 40, 130, 1010, 13020, 404040, 100412130, 201201142010, 11244024443021020, 4.324223404402441e+22, 1.412034141223011e+32 ]
[ "nonn", "base" ]
A170369
[ 1, 24, 552, 12696, 292008, 6716184, 154472232, 3552861336, 81715810728, 1879463646744, 43227663875112, 994236269127576, 22867434189934250, 525950986368487700, 12096872686475217000, 278228071788930000000 ]
[ "nonn" ]
A221813
[ 0, 1156, 30716, 6328365, 462706496, 54679689449, 5044723744009, 526749494838582 ]
[ "nonn" ]
A318850
[ 0, 1, 1, 2, 4, 8, 18, 43, 102, 250, 623, 1579, 4042, 10473, 27356, 72049, 190991, 509384, 1365586, 3678369, 9949452, 27014550, 73600711, 201153143, 551329088, 1515078957, 4173575232, 11522620375, 31878127954, 88362886345, 245372235144, 682508792835 ]
[ "nonn" ]
A276605
[ 0, 1, 1, 2, 1, 1, 2, 2, 3, 1, 1, 2, 2, 2, 2, 3, 2, 3, 3, 2, 4, 1, 1, 2, 2, 2, 2, 3, 2, 3, 3, 2, 4, 3, 2, 4, 4, 2, 3, 3, 2, 4, 3, 2, 3, 4, 2, 4, 4, 5, 1, 1, 2, 2, 2, 2, 3, 2, 3, 3, 2, 4, 3, 2, 4, 4, 2, 3, 3, 2, 4, 3, 2, 3, 4, 2, 4, 4, 5, 3, 2, 3, 4, 2, 4, 4, 5, 4, 4, 5, 2, 3, 3, 2, 4, 3, 2, 3, 4, 2, 4, 4, 5, 3, 2, 3, 4, 2, 4, 4, 4, 4, 4, 5, 2, 4, 4, 4, 4, 4, 5 ]
[ "nonn", "base" ]