Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A210061
[ 9, 51, 51, 323, 646, 323, 2187, 8767, 8767, 2187, 15435, 124097, 249327, 124097, 15435, 111659, 1800963, 7293673, 7293673, 1800963, 111659, 819243, 26510247, 216648913, 438056462, 216648913, 26510247, 819243, 6058155, 393310267 ]
[ "nonn", "tabl" ]
A034843
[ 1, 2, 23, 29, 46, 63, 68, 88, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 361, 403, 407, 411, 413, 415, 417, 422, 427, 437, 445, 446, 447, 451, 453, 454, 458, 466, 469, 471, 473, 478, 481, 482, 485, 489, 493, 497, 603, 604 ]
[ "nonn", "base" ]
A055215
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 3, 2, 1, 1, 1, 2, 3, 4, 2, 1, 1, 1, 2, 3, 5, 4, 2, 1, 1, 1, 2, 3, 5, 7, 4, 2, 1, 1, 1, 2, 3, 5, 8, 8, 4, 2, 1, 1, 1, 2, 3, 5, 8, 12, 8, 4, 2, 1, 1, 1, 2, 3, 5, 8, 13, 15, 8, 4, 2, 1, 1, 1, 2, 3, 5, 8, 13, 20, 16 ]
[ "nonn", "tabl", "walk" ]
A036853
[ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 1, 0, 0, 3, 0, 2, 0, 1, 5, 0, 5, 0, 2, 10, 1, 9, 0, 5, 23, 2, 19, 1, 11, 53, 5, 37, 2, 23, 117, 11, 78, 5, 47, 242, 25, 159, 11, 97, 477, 51, 322, 25, 195, 904, 107, 630, 53, 387, 1663, 215, 1207, 111, 752, 2993, 428, 2246, 225, 1431, 5296, 828, 4097, 448, 2667, 9246, 1578, 7317 ]
[ "nonn", "changed" ]
A286733
[ 1, 1, 0, 7, 16, 31, 64, 63, 384, 255, 1536, 1023, 6144, 4095, 24576, 4095, 122880, 16383, 491520, 65535, 1966080, 262143, 7864320, 1048575, 31457280, 4194303, 125829120, 16777215, 503316480, 67108863, 2013265920, 16777215, 8556380160, 67108863, 34225520640 ]
[ "nonn", "easy" ]
A146422
[ 1, 1, 1, 1, 9, 13, 35, 63, 2283, 5585, 180293, 562375, 23209995, 88508965, 13019468881, 63861201843, 14755196146889, 90930193025577, 44655947502046610, 347179958945954700 ]
[ "nonn" ]
A082587
[ 3, 1, 4, 3, 7, 4, 11, 7, 18, 11, 29, 18, 47, 29, 76, 47, 123, 76, 199, 123, 322, 199, 521, 322, 843, 521, 1364, 843, 2207, 1364, 3571, 2207, 5778, 3571, 9349, 5778, 15127, 9349, 24476, 15127, 39603, 24476, 64079, 39603, 103682, 64079, 167761, 103682, 271443, 167761 ]
[ "nonn", "easy" ]
A054822
[ 29, 53, 97, 127, 239, 307, 331, 359, 367, 397, 419, 457, 479, 521, 587, 653, 691, 701, 853, 877, 907, 929, 1049, 1087, 1103, 1213, 1249, 1289, 1319, 1361, 1399, 1439, 1447, 1471, 1499, 1511, 1567, 1619, 1637, 1657, 1721, 1901, 2011, 2053, 2111, 2203 ]
[ "nonn" ]
A097164
[ 1, 4, 8, 20, 36, 84, 148, 340, 596, 1364, 2388, 5460, 9556, 21844, 38228, 87380, 152916, 349524, 611668, 1398100, 2446676, 5592404, 9786708, 22369620, 39146836, 89478484, 156587348, 357913940, 626349396, 1431655764, 2505397588 ]
[ "easy", "nonn" ]
A125548
[ 0, 1, 2, 4, 8, 16, 30, 56, 102, 186, 336, 606, 1088, 1954, 3502, 6278, 11246, 20148, 36086, 64640, 115774, 207374, 371430, 665298, 1191646, 2134454, 3823160, 6847974, 12265912, 21970470, 39353006, 70488334, 126257182, 226149314 ]
[ "nonn" ]
A013887
[ 324, 612220032, 1156831381426176, 2.1859115597386964e+21, 4.130428534112329e+27, 7.804725584345566e+33, 1.4747559712960682e+40, 2.786651691169969e+46 ]
[ "nonn" ]
A146720
[ 1, 1, 1, 1, 1, 1, 5, 17, 43, 65, 175, 507, 1901, 7015, 35249, 143079, 849399, 4342589, 31597665, 199056275, 1767268871 ]
[ "nonn" ]
A112016
[ 1, 127, 1443572, 2859151, 5272635, 5469390, 5668072, 9662421, 121734535, 124825592, 161367245, 168215370, 185335291, 211254594, 217299630, 225624553, 236125265, 251716960, 271374710, 272433643, 291732835, 292536521, 345267332 ]
[ "base", "nonn" ]
A212252
[ 0, 0, 0, 3, 11, 24, 45, 76, 117, 171, 240, 324, 426, 548, 690, 855, 1045, 1260, 1503, 1776, 2079, 2415, 2786, 3192, 3636, 4120, 4644, 5211, 5823, 6480, 7185, 7940, 8745, 9603, 10516, 11484, 12510, 13596, 14742, 15951, 17225, 18564, 19971 ]
[ "nonn", "easy" ]
A123429
[ 1, 2, 4, 10, 28, 112, 568, 4184, 42450, 576926, 10009664, 215100466 ]
[ "nonn" ]
A157177
[ 1, 1, 1, 1, 5, 1, 1, 13, 13, 1, 1, 29, 82, 29, 1, 1, 61, 368, 368, 61, 1, 1, 125, 1399, 3010, 1399, 125, 1, 1, 253, 4863, 19243, 19243, 4863, 253, 1, 1, 509, 16048, 106099, 194846, 106099, 16048, 509, 1, 1, 1021, 51298, 532466, 1622734, 1622734, 532466, 51298 ]
[ "nonn", "tabl" ]
A191129
[ 1, 3, 5, 9, 13, 15, 21, 27, 37, 39, 45, 53, 61, 63, 81, 85, 109, 111, 117, 135, 149, 157, 159, 181, 183, 189, 213, 243, 245, 253, 255, 325, 327, 333, 341, 351, 405, 437, 445, 447, 469, 471, 477, 541, 543, 549, 567, 597, 629, 637, 639, 725, 729, 733, 735, 757, 759, 765, 853, 973, 975, 981, 999, 1013, 1021, 1023, 1053, 1215, 1301 ]
[ "nonn" ]
A092350
[ -1, 1, 14, 45, 94, 190, 286, 485, 653, 986, 1198, 1806, 2014, 2822, 3244, 4309, 4606, 6319, 6478, 8610, 9100, 11342, 11614, 15470, 15069, 18890, 19580, 24006, 23518, 30380, 28798, 36021, 36028, 42722, 41996, 53259, 49246, 59870, 59788, 71410, 67198, 84092, 77614 ]
[ "sign", "easy" ]
A021915
[ 0, 0, 1, 0, 9, 7, 6, 9, 4, 8, 4, 0, 8, 3, 4, 2, 4, 8, 0, 7, 9, 0, 3, 4, 0, 2, 8, 5, 4, 0, 0, 6, 5, 8, 6, 1, 6, 9, 0, 4, 5, 0, 0, 5, 4, 8, 8, 4, 7, 4, 2, 0, 4, 1, 7, 1, 2, 4, 0, 3, 9, 5, 1, 7, 0, 1, 4, 2, 7, 0, 0, 3, 2, 9, 3, 0, 8, 4, 5, 2, 2, 5, 0, 2, 7, 4, 4, 2, 3, 7, 1, 0, 2, 0, 8, 5, 6, 2, 0 ]
[ "nonn", "cons", "easy" ]
A050332
[ 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 0, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 3, 1, 1, 1, 2, 1, 2, 1 ]
[ "nonn" ]
A262352
[ 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -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, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -2, 1, -2, 1, -2, 1, -2, 1, -2, 1, -2, 1, -2, 1, -2, 1 ]
[ "sign", "easy" ]
A238252
[ 676, 9991, 284992, 6683137, 171041320, 3320993180, 64353451945, 992794904591, 15160526139045, 192941078342371, 2433696873065044, 26454369332527824, 285456371748779970, 2719536243017821000, 25745538460612970000 ]
[ "nonn" ]
A024545
[ 1, 3, 11, 12, 13, 17, 18, 19, 21, 35, 36, 38, 43, 44, 45, 48, 96, 97, 99, 106, 107, 108, 111, 112, 113, 115, 125, 126, 127, 131, 132, 133, 135, 159, 160, 162, 168, 169, 170, 173, 174, 175, 177, 185, 186, 187, 191, 192, 193, 195, 211, 212, 214, 219, 220, 221, 224, 306, 307, 309 ]
[ "nonn" ]
A371634
[ 0, 1, 3, 4, 7, 10, 12, 15, 22, 28, 30, 32, 37, 46, 60, 66, 72, 84, 85, 100, 101, 102, 111, 124, 138, 152, 180, 181, 219, 226, 252, 253, 271, 272, 277, 282, 291, 312, 372, 373, 458, 480, 481, 538, 539, 587, 588, 608, 644, 645, 681, 682, 683, 685, 687, 756, 759, 760 ]
[ "nonn", "hard" ]
A380696
[ 1, 1, 0, 1, 1, 4, 1, 9, 4, 25, 9, 64, 25, 169, 64, 441, 169, 1156, 441, 3025, 1156, 7921, 3025, 20736, 7921, 54289, 20736, 142129, 54289, 372100, 142129, 974169, 372100, 2550409, 974169, 6677056, 2550409, 17480761, 6677056, 45765225, 17480761, 119814916 ]
[ "nonn", "easy" ]
A364221
[ 28754556, 103529256, 121576571, 288033576, 293979516, 414100179, 497440040, 584411859, 766411476, 858663636, 1498843176, 1591095336, 1637221416, 1683347496, 1775599656, 1816140156, 2341109715, 2789551400, 2882625576, 3042399699, 3044066856, 3067129896, 3240102696 ]
[ "nonn", "base" ]
A350254
[ 2, 3, 3, 4, 4, 5, 5, 5, 5, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 11, 11, 11, 11, 11, 12, 12, 13, 12, 13, 13, 13, 14, 14, 14, 15, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 21, 22, 21, 22, 22, 22, 23, 23, 23 ]
[ "nonn", "base" ]
A040727
[ 27, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10, 2, 54, 2, 10 ]
[ "nonn", "cofr", "easy" ]
A138314
[ 1, 1, 1, 2, 5, 12, 37, 129, 465, 1912, 8449, 39481, 200081, 1069470, 6043361, 36120082, 226063729, 1484564600, 10184907985, 72814137773, 542009067393, 4188018707130, 33562233856177, 278441210021464, 2387929437251657 ]
[ "nonn" ]
A376162
[ 1, 1, 3, 39, 2905, 1538369, 6904262355, 304662492057063, 150347237334007000000, 9.297217960713615e+26, 7.977359567678723e+34, 1.0416555650933613e+44, 2.252283824141389e+54 ]
[ "nonn" ]
A285872
[ 0, 1, 2, 3, 4, 3, 4, 5, 6, 7, 8, 7, 8, 9, 10, 11, 12, 11, 12, 13, 14, 15, 16, 15, 16, 17, 18, 19, 20, 19, 20, 21, 22, 23, 24, 23, 24, 25, 26, 27, 28, 27, 28, 29, 30, 31, 32, 31, 32, 33, 34, 35, 36, 35, 36, 37, 38, 39, 40, 39, 40, 41, 42, 43, 44, 43, 44, 45 ]
[ "nonn" ]
A325062
[ 1, 8, 2504, 1721024, 4004836544, 34371837694976, 1144244247852783100, 1.5075671692087764e+23, 7.917017147248978e+28, 1.6611674515158129e+35, 1.3937048640127624e+42, 4.676714923185395e+49, 6.2770665660139806e+57 ]
[ "nonn" ]
A373161
[ 1, 15, 14, 15, 33, 91, 20, 153, 95, 77, 138, 325, 63, 435, 248, 187, 315, 703, 130, 861, 473, 345, 564, 1225, 221, 1431, 770, 551, 885, 1891, 336, 2145, 1139, 805, 1278, 2701, 475, 3003, 1580, 1107, 1743, 3655, 638, 4005, 2093, 1457, 2280, 4753, 825, 5151 ]
[ "nonn", "frac" ]
A339547
[ 15, 172, 1114, 5378, 22321, 83995, 293744, 968965 ]
[ "nonn", "hard", "more" ]
A130359
[ 0, 1, 3, 2, 8, 7, 6, 5, 4, 21, 22, 20, 17, 18, 19, 16, 15, 13, 12, 14, 11, 10, 9, 58, 59, 62, 63, 64, 57, 61, 54, 45, 46, 55, 48, 49, 50, 56, 60, 53, 44, 47, 52, 43, 41, 35, 36, 40, 34, 31, 32, 51, 42, 39, 33, 30, 38, 29, 27, 26, 37, 28, 25, 24, 23, 170, 171, 174, 175, 176 ]
[ "nonn" ]
A029996
[ 0, 1, 2, 3, 6, 12, 24, 26, 72, 84, 122, 133, 144, 244, 255, 279, 382, 732, 1332, 1464, 1596, 2414, 2664, 2796, 3062, 4476, 7992, 14642, 14763, 14884, 15984, 16105, 16226, 17326, 29284, 29405, 30626, 33675, 34701, 63546, 87246, 87852, 88578 ]
[ "nonn", "base" ]
A385015
[ 1, 1, 4, 4, -13, -81, -389, -198, 7455, 44515, 198661, 70243, -5428624, -40239313, -218619844, -408542577, 3648305171, 44441073999, 339489511573, 1430556904456, 2122222427956, -35048613488679, -504238969376070, -3684488832562182, -21342732340391296, -67688326964892250 ]
[ "sign" ]
A037023
[ 1, 1, 4, 1, 7, 3, 2, 0, 0, 0, 2, 2, 3, 6, 1, 2, 4, 4, 9, 4, 9, 2, 6, 4, 5, 7, 5, 1, 2, 8, 2, 8, 4, 2, 7, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 6, 2, 2, 7, 7, 6, 6, 0, 3, 3, 1, 6, 6, 2, 4, 7, 9, 0, 4, 3, 4, 6, 4, 1, 0, 1, 6, 1, 5, 1, 4, 3, 6, 0, 5, 5, 5, 1, 2, 7, 5, 4, 6, 4, 3, 7, 4, 1, 6, 5, 7, 3 ]
[ "nonn", "base", "nice", "easy", "tabl" ]
A329848
[ 2, 5, 8, 11, 14, 16, 19, 22, 25, 28, 30, 33, 36, 39, 42, 44, 47, 50, 53, 56, 58, 61, 64, 67, 70, 72, 75, 78, 81, 84, 86, 89, 92, 95, 98, 100, 103, 106, 109, 112, 114, 117, 120, 123, 126, 128, 131, 134, 137, 140, 143, 145, 148, 151, 154, 157, 159, 162, 165 ]
[ "nonn", "easy" ]
A141459
[ 1, 1, 3, 1, 15, 1, 21, 1, 15, 1, 33, 1, 1365, 1, 3, 1, 255, 1, 399, 1, 165, 1, 69, 1, 1365, 1, 3, 1, 435, 1, 7161, 1, 255, 1, 3, 1, 959595, 1, 3, 1, 6765, 1, 903, 1, 345, 1, 141, 1, 23205, 1, 33, 1, 795, 1, 399, 1, 435, 1, 177, 1, 28393365, 1, 3, 1, 255, 1, 32361, 1, 15, 1, 2343, 1, 70050435 ]
[ "nonn", "changed" ]
A191678
[ 1, 1, 5, 15, 62, 233, 937, 3729, 15121, 61492, 251942, 1036215, 4279754, 17731181, 73670725, 306823695, 1280574706, 5354602495, 22426876445, 94070238840, 395106054632, 1661489413472, 6994494531010, 29474635716345, 124319047552309, 524797934104312, 2217091297558466, 9373180869094924 ]
[ "nonn" ]
A091309
[ 1, 3, 5, 8, 10, 13, 17, 20, 24, 26, 29, 33, 36, 40, 45, 51, 55, 60, 66, 69, 73, 78, 84, 88, 93, 95, 98, 102, 105, 109, 114, 120, 124, 129, 135, 138, 142, 147, 153, 157, 162, 168, 175, 183, 188, 194, 201, 209, 218, 228, 234, 241, 249, 258, 262, 267, 273, 280, 288, 293 ]
[ "nonn" ]
A264477
[ 0, 4, 6, 16, 57, 160, 484, 1449, 4250, 12736, 37980, 112684, 335528, 998929, 2971856, 8844112, 26318889, 78319204, 233069764, 693574740, 2063954658, 6142018600, 18277651737, 54391278960, 161859683044, 481668191001, 1433366397054 ]
[ "nonn" ]
A140545
[ 23, 193, 227, 397, 431, 499, 601, 839, 907, 941, 1009, 1213, 1451, 1553, 1621, 1723, 2029, 2063, 2131, 2267, 2437, 2539, 2777, 2879, 3049, 3083, 3253, 3389, 3457, 3491, 3559, 3593, 3797, 3967, 4001, 4273, 4409, 4783, 4817, 4919, 4987, 5021, 5531, 5701, 5939 ]
[ "nonn" ]
A120030
[ 1, -4, -4, 32, -4, -104, 32, 192, -4, -292, -104, 480, 32, -680, 192, 832, -4, -1160, -292, 1440, -104, -1536, 480, 2112, 32, -2604, -680, 2624, 192, -3368, 832, 3840, -4, -3840, -1160, 4992, -292, -5480, 1440, 5440, -104, -6728, -1536, 7392, 480, -7592, 2112, 8832, 32, -9412, -2604 ]
[ "sign" ]
A046018
[ 431, 503, 743, 863, 1931, 2503, 2579, 2767, 2819, 3011, 3371, 4283, 4523, 4691, 5011, 5647, 5851, 5867, 6323, 6691, 7907, 8059, 8123, 8171, 8243, 8387, 8627, 8747, 9091, 9187, 9811, 9859, 10067, 10771, 11731, 12107, 12547, 13171, 13291 ]
[ "nonn", "fini", "full" ]
A105777
[ 1, 2, 2, 2, 1, 4, 3, 3, 3, 4, 4, 3, 3, 3, 4, 4, 3, 3, 3, 4, 1, 2, 2, 2, 1, 3, 4, 4, 4, 3, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 3, 4, 4, 4, 3, 3, 4, 4, 4, 3, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 3, 4, 4, 4, 3, 3, 4, 4, 4, 3, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 3, 4, 4, 4, 3, 1, 2, 2, 2, 1 ]
[ "nonn" ]
A304088
[ 1, 2, 3, 2, 4, 3, 2, 5, 6, 4, 3, 2, 7, 5, 7, 5, 8, 6, 4, 3, 2, 9, 7, 5, 10, 7, 5, 9, 7, 5, 11, 12, 7, 13, 9, 4, 3, 2, 8, 6, 7, 5, 14, 9, 7, 5, 13, 10, 7, 5, 10, 7, 14, 9, 7, 5, 15, 11, 15, 11, 16, 15, 11, 9, 7, 12, 8, 6, 4, 3, 2, 17, 14, 9, 7, 5, 18, 14, 9, 7, 5, 19, 13, 9, 7, 5, 20, 15, 11, 18, 13, 10, 7, 5, 21, 15, 11, 21, 15, 11, 17, 14, 9, 7, 5 ]
[ "nonn" ]
A205360
[ 49154, 1716002, 65916482, 2826905666, 128108142146, 6018114334610, 288041668868162, 13931657348458802, 677523603472081900, 33046448436950372000, 1.6143443130180614e+21, 7.892689622259634e+22 ]
[ "nonn" ]
A085262
[ 1, 2, 4, 7, 8, 12, 13, 14, 16, 21, 22, 23, 24, 26, 28, 31, 32, 38, 39, 40, 41, 42, 44, 46, 48, 51, 52, 55, 56, 60, 61, 62, 64, 71, 72, 73, 74, 75, 76, 78, 80, 82, 84, 87, 88, 91, 92, 95, 96, 100, 101, 102, 104, 108, 109, 110, 112, 117, 118, 119, 120, 122, 124, 127, 128, 136 ]
[ "nonn" ]
A004798
[ 1, 4, 10, 22, 45, 88, 167, 310, 566, 1020, 1819, 3216, 5645, 9848, 17090, 29522, 50793, 87080, 148819, 253610, 431086, 731064, 1237175, 2089632, 3523225, 5930668, 9968122, 16730830, 28045221, 46954360, 78524159, 131181406, 218933030, 365044788, 608135635, 1012268592 ]
[ "nonn", "easy" ]
A190786
[ 8, 104, 512, 1488, 9680, 73728, 603680, 2508800, 1085407232, 29473106432, 583166845500512, 18236498181611825000 ]
[ "nonn", "more" ]
A075135
[ 1, 5, 39, 209, 2857, 11883, 233057, 2632787, 13468239, 13739939, 433545709, 7488194853, 281072414761, 284780929571, 12393920563953, 288249495707519, 2038704876507433, 2058454144222533, 2077126179153173, 60750140156034616 ]
[ "easy", "frac", "nonn" ]
A228991
[ 2, 3, 13, 29, 31, 37, 61, 67, 71, 103, 109, 139, 149, 167, 191, 223, 229, 241, 257, 263, 269, 271, 347, 349, 367, 379, 457, 461, 487, 577, 607, 673, 701, 761, 797, 809, 907, 911, 967, 983, 1019, 1031, 1033, 1049, 1063, 1097, 1103, 1109, 1283, 1303, 1423 ]
[ "nonn" ]
A280708
[ 1, 8, 24, 24, 86, 1260, 1890, 14136, 197400, 10467660, 1231572090 ]
[ "nonn", "hard", "more" ]
A171492
[ 13, 14, 16, 17, 18, 19, 21, 23, 25, 26, 27, 28, 29, 31, 32, 34, 35, 37, 38, 39, 41, 42, 43, 45, 46, 47, 49, 51, 52, 53, 54, 56, 57, 58, 59, 61, 62, 63, 64, 65, 67, 68, 69, 71, 72, 73, 74, 75, 76, 78, 79, 81, 82, 83, 84, 85, 86, 87, 89, 91, 92, 93, 94, 95, 96, 97, 98, 103, 106 ]
[ "nonn", "base", "easy" ]
A108931
[ 0, 1, -3, 8, -18, 47, -105, 274, -612, 1597, -3567, 9308, -20790, 54251, -121173, 316198, -706248, 1842937, -4116315, 10741424, -23991642, 62605607, -139833537, 364892218, -815009580, 2126747701, -4750223943, 12395593988, -27686334078, 72246816227 ]
[ "easy", "sign" ]
A250301
[ 0, 3, 3, 6, 12, 12, 6, 12, 18, 18, 18, 18, 36, 36, 12, 24, 30, 18, 18, 24, 42, 54, 42, 36, 60, 66, 54, 48, 90, 90, 30, 54, 54, 18, 18, 24, 42, 54, 42, 42, 66, 78, 78, 78, 114, 150, 102, 72, 108 ]
[ "nonn", "tabf", "more" ]
A059971
[ 1, 1, 3, 1, 5, 2, 13, 12, 14, 13, 1, 6, 13, 8, 13, 1, 17, 8, 158, 155, 72, 170, 198, 48, 145, 208, 165, 25, 55, 205, 171, 206, 55, 158, 6, 140, 151, 53, 113, 252, 191, 254, 228, 26, 116, 130, 146, 243, 145, 118, 72, 14, 75, 115, 20, 69, 60, 177, 121, 99, 171, 169, 170 ]
[ "nonn" ]
A355345
[ 2, -2, -5, 6, -7, 14, -6, -9, 27, -30, 10, -11, 44, -77, 55, -10, -13, 65, -156, 182, -91, 14, -15, 90, -275, 450, -378, 140, -14, -17, 119, -442, 935, -1122, 714, -204, 18, -19, 152, -665, 1729, -2717, 2508, -1254, 285, -18, -21, 189, -952, 2940, -5733, 7007, -5148, 2079, -385, 22, -23, 230, -1311, 4692, -10948, 16744, -16445, 9867, -3289, 506 ]
[ "sign" ]
A378437
[ 1, -1, -1, 0, -1, 0, -1, 0, 0, 1, -1, 0, -1, 1, 1, 0, -1, 0, -1, -1, 1, 1, -1, -2, 0, 1, 0, -1, -1, -2, -1, 0, 1, 1, 1, -2, -1, 1, 1, -1, -1, -1, -1, 0, 0, 1, -1, -2, 0, 0, 1, 0, -1, 0, 1, 0, 1, 1, -1, -26, -1, 1, 0, 0, 1, -1, -1, 0, 1, -1, -1, -14, -1, 1, 0, 0, 1, 0, -1, -1, 0, 1, -1, -19, 1, 1, 1, -1, -1, -17, 1, 0, 1, 1, 1 ]
[ "sign" ]
A378299
[ 0, 1, 1, 2, 1, 6, 2, 5, 1, 14, 6, 9, 2, 13, 5, 10, 1, 30, 14, 17, 6, 25, 9, 22, 2, 29, 13, 18, 5, 26, 10, 21, 1, 62, 30, 33, 14, 49, 17, 46, 6, 57, 25, 38, 9, 54, 22, 41, 2, 61, 29, 34, 13, 50, 18, 45, 5, 58, 26, 37, 10, 53, 21, 42, 1, 126, 62, 65, 30, 97, 33, 94 ]
[ "nonn", "base", "look" ]
A171343
[ 1, 48, 600, 3508, 14052, 42317, 109747, 246748, 506056, 957496, 1711530, 2888737, 4697950, 7347177, 11142675, 16442506, 23725134, 33457393, 46379533, 63133961, 84702206, 112077781, 146525734, 189191462, 241922034, 306290527, 384361598 ]
[ "nonn" ]
A064805
[ 13, 16, 19, 22, 23, 25, 28, 31, 34, 37, 38, 40, 43, 46, 47, 49, 52, 53, 55, 58, 61, 64, 67, 68, 73, 76, 79, 82, 83, 85, 86, 88, 89, 91, 94, 97, 98, 100, 103, 106, 109, 112, 113, 115, 118, 121, 124, 127, 128, 130, 131, 133, 134, 136, 139, 142, 143, 145, 148, 151, 152 ]
[ "easy", "nonn" ]
A220470
[ 1, 6, 12, 20, 55, 42, 56, 72, 144, 110, 253, 156, 351, 336, 240, 272, 1751, 342, 3420, 500, 672, 506, 1081, 600, 2525, 702, 1512, 812, 1711, 930, 992, 1440 ]
[ "nonn", "more" ]
A244912
[ 1, 2, 3, 4, 6, 7, 9, 9, 11, 12, 15, 16, 18, 20, 20, 21, 25, 26, 29, 31, 33, 34, 38, 36, 38, 39, 42, 43, 47, 48, 52, 54, 56, 58, 58, 59, 61, 63, 67, 68, 72, 73, 76, 79, 81, 82, 88, 84, 88, 90, 93, 94, 99, 101, 105, 107, 109, 110, 116, 117, 119, 122, 117, 119, 123 ]
[ "nonn", "base" ]
A289736
[ 19, 1693, 43189, 5745471106339, 350473737488839, 4.00546383455545e+31, 7.805146964610614e+37, 2.6811096859197443e+38 ]
[ "nonn" ]
A293118
[ 1, 0, 0, -6, -24, -120, -360, 0, 20160, 302400, 3628800, 39916800, 419126400, 4151347200, 36324288000, 207048441600, -1743565824000, -103742166528000, -2925529096089600, -69945932735078400, -1571249213614080000, -34354603773794304000, -741528257908838400000 ]
[ "sign" ]
A266248
[ 1, 2, 5, 10, 21, 43, 86, 173, 346, 693, 1386, 2773, 5546, 11093, 22186, 44373, 88746, 177493, 354986, 709973, 1419946, 2839893, 5679786, 11359573, 22719146, 45438293, 90876586, 181753173, 363506346, 727012693, 1454025386, 2908050773, 5816101546, 11632203093 ]
[ "nonn", "easy" ]
A133906
[ 2, 3, 5, 2, 2, 7, 9, 2, 2, 3, 3, 2, 2, 17, 17, 2, 2, 3, 3, 2, 2, 23, 25, 2, 2, 4, 3, 2, 2, 31, 37, 2, 2, 8, 8, 2, 2, 3, 41, 2, 2, 4, 4, 2, 2, 3, 3, 2, 2, 5, 5, 2, 2, 3, 3, 2, 2, 4, 4, 2, 2, 67, 3, 2, 2, 44, 44, 2, 2, 16, 16, 2, 2, 3, 4, 2, 2, 5, 5, 2, 2, 3, 3, 2, 2, 89, 9, 2, 2, 3, 3, 2, 2, 97, 97, 2, 2, 7 ]
[ "nonn" ]
A052603
[ 1, 1, 8, 78, 984, 15480, 292320, 6441120, 162207360, 4595512320, 144662112000, 5009199148800, 189221439052800, 7743449813299200, 341258374762905600, 16113703632009984000, 811588993992032300000, 4.34316035967707e+22 ]
[ "easy", "nonn" ]
A181409
[ 2, 2, 6, 10, 18, 18, 41, 42, 74, 84, 64, 125, 109, 169, 108, 242, 142, 234, 288, 254, 380, 379, 281, 274, 326, 376, 625, 677, 1122, 1400, 1417, 1934, 1620, 2254, 3584, 3674, 3019, 3548, 6128, 6074 ]
[ "nonn" ]
A365607
[ 0, 40, 328, 2536, 19912, 158056, 1260616, 10073320, 80551624, 644308072, 5154149704, 41232252904, 329855188936, 2638833008488, 21110638558792, 168885031942888, 1351080025960648, 10808639518937704, 86469114085259070, 691752906483344900, 5534023233270575000, 44272185810376060000 ]
[ "nonn", "easy" ]
A309558
[ 1, 5, 10, 2095, 5623, 13589, 14047, 19519, 21143, 154249 ]
[ "nonn", "more" ]
A388586
[ 1, 0, 8, 6, 4, 0, 8, 2, 9, 0, 0, 3, 3, 7, 7, 0, 6, 8, 0, 4, 6, 4, 3, 2, 3, 5, 6, 6, 7, 8, 3, 6, 4, 9, 3, 5, 9, 1, 8, 2, 0, 0, 6, 9, 5, 3, 3, 3, 9, 5, 7, 5, 1, 9, 8, 3, 6, 7, 5, 7, 0, 6, 3, 6, 4, 9, 0, 7, 2, 8, 8, 6, 8, 3, 1, 8, 6, 3, 7, 1, 8, 7, 9, 2, 6, 9, 8 ]
[ "nonn", "cons" ]
A154134
[ 3, 6, 10, 30, 124, 238, 405, 6430, 22869, 32657, 224544, 2396968, 15229280, 28274047, 53458049, 134537968 ]
[ "nonn", "more" ]
A271996
[ 6, 14, 32, 50, 82, 114, 164, 214, 286, 358, 456, 554, 682, 810, 972, 1134, 1334, 1534, 1776, 2018, 2306, 2594, 2932, 3270, 3662, 4054, 4504, 4954, 5466, 5978, 6556, 7134, 7782, 8430, 9152, 9874, 10674, 11474, 12356, 13238, 14206, 15174, 16232, 17290, 18442 ]
[ "nonn", "easy" ]
A058176
[ 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 5, 7, 3, 1, 0, 417, 559, 264, 59, 4, 0, 367517, 467480, 227168, 57213, 7712, 524, 14 ]
[ "nonn", "tabl", "more" ]
A232312
[ 52, 853, 14042, 231454, 3815483, 62897985, 1036869496, 17092731689, 281772661177, 4645005493684, 76572638191385, 1262295368124753, 20808863766803180, 343032876614802200, 5654876487122281000 ]
[ "nonn" ]
A047752
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 133, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 708, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3861, 0 ]
[ "nonn" ]
A057693
[ 1, 1, 2, 6, 18, 66, 276, 1212, 5916, 31068, 171576, 1014696, 6319512, 41143896, 281590128, 2007755856, 14871825936, 114577550352, 913508184096, 7526682826848, 64068860545056, 561735627038496, 5068388485760832, 47026385852423620, 447837548306401700 ]
[ "nonn" ]
A039059
[ 0, 2, 3, 4, 6, 7, 13, 16, 18, 19, 20, 22, 23, 24, 26, 27, 28, 30, 31, 32, 34, 35, 36, 38, 39, 41, 48, 50, 51, 52, 54, 55, 56, 58, 59, 60, 62, 63, 69, 85, 93, 101, 104, 106, 107, 108, 110, 111, 117, 125, 128, 130, 131, 132, 134, 135, 141, 144, 146, 147, 148, 150, 151 ]
[ "nonn", "base", "easy" ]
A170166
[ 1, 13, 156, 1872, 22464, 269568, 3234816, 38817792, 465813504, 5589762048, 67077144576, 804925734912, 9659108818944, 115909305827328, 1390911669927936, 16690940039135232, 200291280469622800 ]
[ "nonn" ]
A290478
[ 1, 1, 3, 1, 4, 1, 3, 7, 1, 6, 1, 3, 4, 12, 1, 8, 1, 3, 7, 15, 1, 4, 13, 1, 3, 6, 18, 1, 12, 1, 3, 4, 7, 12, 28, 1, 14, 1, 3, 8, 24, 1, 4, 6, 24, 1, 3, 7, 15, 31, 1, 18, 1, 3, 4, 12, 13, 39, 1, 20, 1, 3, 7, 6, 18, 42, 1, 4, 8, 32, 1, 3, 12, 36, 1, 24, 1, 3, 4, 7 ]
[ "nonn", "tabf" ]
A127027
[ 103, 148, 164, 205, 223, 226, 268, 359, 630, 652, 940, 1005, 1194, 1213, 1332, 1353, 1441, 1481, 1519, 1750, 1823, 1825, 1835, 1930, 1951, 1961, 2309, 2339, 2347, 2357, 2498, 2511, 2527, 2554, 2608, 2683, 3086, 3108, 3157, 3377, 3646, 3653, 3656, 3738, 3762 ]
[ "nonn" ]
A160256
[ 1, 2, 3, 4, 6, 8, 9, 16, 18, 24, 12, 10, 30, 5, 36, 15, 48, 20, 60, 7, 120, 14, 180, 21, 240, 28, 300, 35, 360, 42, 420, 11, 840, 22, 1260, 33, 1680, 44, 2100, 55, 2520, 66, 2940, 77, 3360, 88, 3780, 110, 378, 165, 126, 220, 63, 440, 189, 880, 567, 1760 ]
[ "nonn", "look" ]
A007587
[ 0, 1, 13, 46, 110, 215, 371, 588, 876, 1245, 1705, 2266, 2938, 3731, 4655, 5720, 6936, 8313, 9861, 11590, 13510, 15631, 17963, 20516, 23300, 26325, 29601, 33138, 36946, 41035, 45415, 50096, 55088, 60401, 66045, 72030, 78366, 85063, 92131, 99580, 107420, 115661 ]
[ "nonn", "easy", "nice" ]
A029494
[ 1, 3, 9, 21, 39, 71, 101, 111, 128, 239, 251, 384, 401, 419, 521, 1152, 1664, 4992, 14976, 21617, 23296, 29952, 34437, 36608, 45312, 51183, 92928, 117481, 191232, 225043, 255309, 742144, 910592, 1374464, 4074467, 5427968, 10461747, 10528128, 10897536, 14721408, 15387264, 15529344, 18626688, 20796849, 27863424, 28862509, 32013423, 41722496, 47329152, 52894873, 64367901, 66678144, 68195712, 77870208 ]
[ "nonn", "base" ]
A128303
[ 1, 3, 8, 12, 24, 29, 59, 66, 90, 97, 162, 172, 187, 224, 234, 335, 385, 412, 489, 531, 551, 630, 692, 791, 921, 997, 1128, 1223, 1256, 1285, 1420, 1484, 1518, 1549, 1937, 2146, 2315, 2441, 2483, 2556, 2606, 2651, 2915, 3124, 3175, 3542, 3587, 3645, 3751, 3800 ]
[ "nonn" ]
A223440
[ 16, 48, 48, 144, 256, 144, 432, 1376, 1376, 432, 1296, 7424, 14112, 7424, 1296, 3888, 40160, 147520, 147520, 40160, 3888, 11664, 217600, 1562176, 3099264, 1562176, 217600, 11664, 34992, 1180256, 16693920, 67182208, 67182208, 16693920, 1180256 ]
[ "nonn", "tabl" ]
A166468
[ 1, 4, 12, 36, 108, 324, 972, 2916, 8748, 26244, 78732, 236196, 708582, 2125728, 6377136, 19131264, 57393360, 172178784, 516532464, 1549585728, 4648722192, 13946061600, 41837869872, 125512664832, 376535160174, 1129596977628 ]
[ "nonn", "easy" ]
A357835
[ 0, 1, -1, 2, -5, 14, -35, -14, 1701, -26418, 351351, -4622982, 62705643, -890078826, 13297263525, -209438953542, 3477446002485, -60803484275898, 1117975706702127, -21580455768575890, 436591651807054100, -9241512424454752000, 204338436416329780000 ]
[ "sign" ]
A207983
[ 3, 81, 12468, 12271227, 81269646503, 3578849222737632, 1.0435233051668937e+21, 2.0155567420690613e+27 ]
[ "nonn" ]
A344277
[ 5978882, 15916082, 20621042, 22673378, 30623138, 33998258, 39765362, 48432482, 53809938, 61627202, 65413922, 74346818, 84942578, 88258898, 95662112, 103363442, 117259298, 128929682, 131641538, 137149922, 143244738, 155831858, 158811842, 167042642, 174135122, 175706258, 188529362 ]
[ "nonn" ]
A193816
[ 1, 1, 2, 1, 5, 6, 1, 7, 17, 14, 1, 9, 31, 49, 30, 1, 11, 49, 111, 129, 62, 1, 13, 71, 209, 351, 321, 126, 1, 15, 97, 351, 769, 1023, 769, 254, 1, 17, 127, 545, 1471, 2561, 2815, 1793, 510, 1, 19, 161, 799, 2561, 5503, 7937, 7423, 4097, 1022, 1, 21, 199, 1121 ]
[ "nonn", "tabl" ]
A041708
[ 19, 39, 58, 1083, 1141, 3365, 129011, 261387, 390398, 7288551, 7678949, 22646449, 868244011, 1759134471, 2627378482, 49051947147, 51679325629, 152410598405, 5843282065019, 11838974728443, 17682256793462, 330119597010759, 347801853804221, 1025723304619201 ]
[ "nonn", "cofr", "frac", "easy" ]
A276543
[ 1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 3, 5, 2, 1, 0, 5, 13, 11, 3, 1, 0, 8, 31, 33, 16, 3, 1, 0, 14, 80, 136, 85, 27, 4, 1, 0, 21, 201, 478, 434, 171, 37, 4, 1, 0, 39, 533, 1849, 2270, 1249, 338, 54, 5, 1, 0, 62, 1401, 6845, 11530, 8389, 3056, 590, 70, 5, 1 ]
[ "nonn", "tabl" ]
A001466
[ 8, 61, 5020, 128541455, 162924332716605980, 2.8783052231699297e+34, 8.712956156538996e+68 ]
[ "nonn", "frac" ]
A138514
[ 1, 1, -2, -1, 0, -2, 1, 0, 0, 2, 1, 2, -2, 0, 2, 1, 0, -2, 0, -2, 0, -1, 0, 0, -2, 0, 0, 0, -1, 2, -2, 0, 2, 0, 0, 2, 3, 0, 0, -2, 0, 0, 2, 0, 2, 1, -2, 0, 0, 0, -2, -2, 0, 2, -2, 1, -2, -2, 0, 0, 0, 0, 0, 0, 0, -2, 1, 0, 0, 0, 0, -2, 2, 0, 2, 2, 0, 2, 1, 0, -2, 0, 2, 0, -2, 0, 0, 4, 0, 0, 0, 1, 0, 0, 0, -2, -2, 0, 0, 0, 2, -2, 0, 0, -2 ]
[ "sign" ]
A148811
[ 1, 1, 3, 8, 26, 86, 309, 1108, 4177, 16043, 62131, 245624, 988058, 3974672, 16249872, 67146327, 277391652, 1159193515, 4883667639, 20554100144, 87291612458, 373042330747, 1592243882405, 6845720258023, 29580989452406, 127649661170533, 554181473820419, 2415949131968238, 10517688992163296 ]
[ "nonn", "walk" ]