Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A045782
[ 1, 2, 3, 4, 5, 7, 9, 11, 12, 15, 16, 19, 21, 22, 26, 29, 30, 31, 36, 38, 42, 45, 47, 52, 56, 57, 64, 66, 67, 74, 77, 92, 97, 98, 101, 105, 109, 118, 135, 137, 139, 141, 162, 165, 171, 176, 181, 189, 195, 198, 203, 212, 231, 249, 250, 254, 257, 267, 269, 272, 289 ]
[ "nonn" ]
A063779
[ 15, 18, 20, 24, 25, 30, 33, 35, 36, 40, 42, 45, 48, 50, 54, 55, 57, 60, 63, 65, 66, 70, 72, 75, 78, 80, 84, 85, 90, 95, 96, 99, 100, 102, 105, 106, 108, 109, 110, 114, 115, 118, 120, 125, 126, 128, 129, 130, 132, 133, 134, 135, 137, 138, 139, 140, 141, 142, 143 ]
[ "dead" ]
A378693
[ 1, 6, 63, 806, 11445, 173388, 2745470, 44891118, 752141682, 12845874594, 222813745704, 3914269052736, 69501455945987, 1245309605501088, 22488056019050124, 408861223600687700, 7478056231521534000, 137496627558561860000, 2.540015518588821e+21 ]
[ "nonn" ]
A196671
[ 0, 0, 42, 516, 4498, 414123 ]
[ "nonn" ]
A005710
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 14, 18, 23, 29, 36, 44, 53, 64, 78, 96, 119, 148, 184, 228, 281, 345, 423, 519, 638, 786, 970, 1198, 1479, 1824, 2247, 2766, 3404, 4190, 5160, 6358, 7837, 9661, 11908, 14674, 18078, 22268, 27428, 33786, 41623 ]
[ "nonn", "easy" ]
A349135
[ 2, 0, 0, 1, 0, 4, 0, 1, 4, 6, 0, 2, 0, 8, 12, 1, 0, 6, 0, 3, 16, 12, 0, 2, 9, 14, 12, 4, 0, 4, 0, 1, 24, 18, 24, 5, 0, 20, 28, 3, 0, 6, 0, 6, 26, 24, 0, 2, 16, 17, 36, 7, 0, 16, 36, 4, 40, 30, 0, 8, 0, 32, 36, 1, 42, 10, 0, 9, 48, 12, 0, 5, 0, 38, 46, 10, 48, 12, 0, 3, 37, 42, 0, 11, 54, 44, 60, 6, 0, 20, 56, 12 ]
[ "sign" ]
A075722
[ 1, 2, 15, 21, 29, 39, 42, 53, 57, 77, 81, 92, 117, 123, 131, 147, 149, 153, 167, 168, 200, 204, 207, 233, 249, 251, 252, 275, 278, 314, 317, 326, 357, 372, 378, 380, 410, 422, 434, 438, 440, 462, 467, 468, 498, 516, 546, 585, 587, 596, 608, 615, 621, 636 ]
[ "nonn", "easy" ]
A218973
[ 1, 1, 1, 2, 6, 4, 23, 16, 122, 109, 551, 570, 4633, 4224 ]
[ "nonn", "more" ]
A103438
[ 0, 0, 1, 0, 1, 2, 0, 1, 3, 3, 0, 1, 5, 6, 4, 0, 1, 9, 14, 10, 5, 0, 1, 17, 36, 30, 15, 6, 0, 1, 33, 98, 100, 55, 21, 7, 0, 1, 65, 276, 354, 225, 91, 28, 8, 0, 1, 129, 794, 1300, 979, 441, 140, 36, 9, 0, 1, 257, 2316, 4890, 4425, 2275, 784, 204, 45, 10 ]
[ "nonn", "tabl" ]
A108765
[ 1, 4, 14, 45, 139, 422, 1272, 3823, 11477, 34440, 103330, 310001, 930015, 2790058, 8370188, 25110579, 75331753, 225995276, 677985846, 2033957557, 6101872691, 18305618094, 54916854304, 164750562935, 494251688829, 1482755066512, 4448265199562, 13344795598713 ]
[ "easy", "nonn" ]
A106891
[ 11, 13, 17, 23, 31, 41, 43, 47, 53, 59, 67, 79, 83, 97, 101, 103, 107, 109, 127, 139, 167, 173, 181, 193, 197, 229, 239, 251, 269, 271, 281, 283, 293, 307, 311, 317, 337, 353, 359, 367, 379, 397, 401, 431, 439, 443, 461, 479, 487, 509, 541, 547, 557, 563 ]
[ "nonn", "easy" ]
A045647
[ 1, 2, 4, 792, 51648, 53824, 95328, 6460672, 54468608, 59854592, 7236791296 ]
[ "base", "nonn", "more" ]
A379300
[ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 2, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1 ]
[ "nonn" ]
A082761
[ 1, 4, 20, 104, 544, 2848, 14912, 78080, 408832, 2140672, 11208704, 58689536, 307302400, 1609056256, 8425127936, 44114542592, 230986743808, 1209462292480, 6332826779648, 33159111507968, 173623361929216, 909103725543424, 4760128905543680, 24924358531088384, 130505635564355580 ]
[ "easy", "nonn" ]
A329424
[ 0, 1, 2, 1, 4, 5, 2, 7, 8, 1, 10, 11, 4, 13, 14, 5, 16, 17, 2, 19, 20, 7, 22, 23, 8, 25, 26, 1, 28, 29, 10, 11, 4, 11, 14, 5, 4, 17, 2, 13, 40, 41, 14, 43, 44, 5, 46, 47, 16, 49, 50, 17, 52, 53, 2, 55, 56, 19, 58, 59, 20, 7, 22, 7, 8, 25, 22, 1, 28, 23, 70, 71 ]
[ "nonn", "base" ]
A078581
[ 4, 5, 16, 21, 31, 41, 92, 156, 91, 216, 121, 185, 336, 640, 249, 316, 608, 459, 241, 596, 476, 704, 1296, 493, 627, 619, 1340, 521, 541, 1072, 1647, 691, 1416, 859, 1281, 1624, 1916, 1445, 1257, 1696, 4800, 1301, 1509, 1363, 1313, 2804, 2192, 2200, 1427 ]
[ "nonn" ]
A041554
[ 17, 86, 103, 292, 979, 2250, 14479, 31208, 108103, 247414, 355517, 2024999, 69205483, 348052414, 417257897, 1182568208, 3964962521, 9112493250, 58639922021, 126392337292, 437816933897, 1002026205086 ]
[ "nonn", "cofr", "frac", "easy" ]
A235694
[ 102347, 102349, 102369, 102379, 102385, 102386, 102387, 102389, 102394, 102395, 102398, 102439, 102457, 102458, 102463, 102467, 102469, 102473, 102478, 102479, 102493, 102549, 102569, 102574, 102589, 102637, 102639, 102649, 102658, 102659, 102683, 102689 ]
[ "nonn", "base" ]
A058559
[ 1, 0, 3, -4, 4, -4, 7, -12, 13, -16, 22, -28, 38, -44, 55, -72, 83, -104, 129, -156, 187, -220, 273, -328, 384, -452, 539, -652, 757, -880, 1041, -1220, 1428, -1652, 1924, -2244, 2585, -2992, 3458, -3992, 4581, -5244, 6053, -6936, 7910, -9024, 10303, -11784, 13380, -15176, 17257, -19584 ]
[ "sign" ]
A356739
[ 7, 153, 197, 7399, 24434, 24434, 9242360, 238861211, 238861211 ]
[ "nonn", "base", "more" ]
A124113
[ 99, 987, 9951, 99939, 996983, 9981153, 99745289, 981196517, 9927756573, 99243774623, 992617385333, 9751651447377 ]
[ "hard", "nonn", "base" ]
A225671
[ 3, 23, 107, 337, 853, 1621, 2971, 4919, 7757, 11657, 16103, 22193, 29251, 37699, 48523, 61051, 75479, 91459, 110563, 131641, 155501, 183581, 214177, 248593, 286063, 325883, 369979, 419449, 473647, 534029, 600623, 667531, 739523, 816769, 900997, 988651, 1083613 ]
[ "nonn" ]
A022526
[ 1, 1023, 58025, 989527, 8717049, 50700551, 222009073, 791266575, 2413042577, 6513215599, 15937424601, 35979939623, 75941127625, 151396163127, 287395735649, 522861237151, 916482272673, 1554473326175, 2560599031177, 4108933742199, 6439880978201, 9880041813223 ]
[ "nonn", "easy" ]
A342011
[ 1, 2, 1, 3, 1, 2, 4, 1, 5, 6, 1, 2, 3, 7, 8, 9, 1, 10, 11, 4, 2, 12, 13, 14, 1, 15, 16, 17, 3, 18, 19, 20, 21, 5, 22, 1, 23, 2, 24, 25, 6, 26, 27, 28, 29, 30, 31, 32, 33, 34, 1, 35, 36, 4, 37, 38, 39, 7, 40, 41, 42, 43, 44, 45, 46, 8, 47, 2, 48, 49, 50, 3, 51, 52, 53, 54, 1, 55, 56, 57, 58, 59, 60, 61, 62, 9, 63, 64 ]
[ "nonn" ]
A223683
[ 32, 1024, 13045, 85663, 384009, 1363639, 4123210, 11062778, 27036251, 61267043, 130398069, 263173867, 507406703, 940062881, 1681523014, 2915323586, 4914979621, 8079822545, 12982166253, 20428540847, 31538210365, 47842720947 ]
[ "nonn" ]
A007738
[ 1, 1, 1, 2, 4, 1, 1, 2, 3, 4, 10, 2, 12, 1, 4, 2, 16, 3, 3, 4, 1, 10, 22, 2, 4, 12, 9, 2, 7, 4, 15, 4, 10, 16, 4, 6, 9, 3, 12, 4, 40, 1, 6, 10, 12, 22, 23, 2, 1, 4, 16, 12, 26, 9, 20, 2, 3, 7, 29, 4, 60, 15, 3, 8, 12, 10, 66, 16, 22, 4, 70, 6, 24, 9, 4, 6, 10, 12, 78, 4, 27, 40, 41, 2, 16, 6, 7, 10 ]
[ "nonn", "base" ]
A057469
[ 3, 7, 11, 83, 149, 223, 599, 647, 1373, 8423, 149497, 388897, 531611, 2052329 ]
[ "nonn", "more" ]
A315299
[ 1, 6, 10, 16, 19, 27, 33, 34, 46, 49, 53, 61, 66, 70, 76, 80, 86, 92, 98, 99, 111, 113, 116, 126, 129, 135, 143, 144, 154, 156, 162, 166, 172, 180, 181, 189, 197, 196, 208, 209, 215, 225, 226, 232, 240, 242, 248, 252, 260, 263 ]
[ "nonn" ]
A375570
[ 0, 1, 2, 2, 4, 5, 3, 3, 8, 9, 4, 11, 12, 13, 4, 4, 16, 17, 18, 19, 20, 6, 22, 23, 24, 5, 26, 27, 7, 29, 5, 5, 32, 33, 34, 35, 8, 37, 38, 39, 40, 6, 42, 43, 44, 9, 46, 47, 48, 49, 50, 51, 52, 53, 54, 10, 6, 57, 58, 59, 60, 61, 6, 6, 64, 65, 11, 67, 68, 69, 70 ]
[ "nonn" ]
A215623
[ 1, 2, 11, 89, 836, 8551, 92445, 1039030, 12019135, 142151324, 1711116646, 20894534324, 258195565959, 3222677162409, 40569811695707, 514520507077695, 6567611974106756, 84310605465652750, 1087798325715407700, 14098475168420866000, 183465816241394780000 ]
[ "nonn", "easy" ]
A082313
[ 0, 1, 2, 3, 4, 8, 6, 7, 5, 9, 21, 14, 18, 13, 11, 22, 16, 17, 12, 19, 20, 10, 15, 23, 58, 37, 49, 35, 28, 62, 42, 46, 32, 51, 55, 27, 41, 25, 59, 39, 50, 36, 30, 63, 44, 45, 31, 53, 54, 26, 40, 33, 64, 47, 48, 34, 56, 57, 24, 38, 60, 61, 29, 43, 52, 65, 170, 107, 142, 100 ]
[ "nonn" ]
A334751
[ 8, 9, 2, 1, 6, 7, 22, 23, 24, 25, 10, 11, 12, 3, 4, 5, 18, 19, 20, 21, 44, 45, 46, 47, 48, 49, 26, 27, 28, 29, 30, 13, 14, 15, 16, 17, 38, 39, 40, 41, 42, 43, 74, 75, 76, 77, 78, 79, 80, 81, 50, 51, 52, 53, 54, 55, 56, 31, 32, 33, 34, 35, 36, 37, 66, 67, 68, 69 ]
[ "nonn" ]
A313289
[ 1, 4, 9, 15, 21, 27, 32, 36, 40, 45, 51, 57, 63, 68, 72, 76, 81, 87, 93, 99, 104, 108, 112, 117, 123, 129, 135, 140, 144, 148, 153, 159, 165, 171, 176, 180, 184, 189, 195, 201, 207, 212, 216, 220, 225, 231, 237, 243, 248, 252 ]
[ "nonn" ]
A127613
[ 1, 1, 1, 3, 1, 10, 1, 13, 4, 16, 1, 268, 1, 22, 21, 107, 1, 577, 1, 693, 29, 34, 1, 26512, 6, 40, 37, 1329, 1, 50323, 1, 1725, 45, 52, 43, 537559, 1, 58, 53, 113317, 1, 134368, 1, 3225, 2916, 70, 1, 10259608, 8, 4091, 69, 4485, 1, 282700, 67, 303277, 77, 88, 1 ]
[ "frac", "nonn" ]
A102549
[ 1, 4, 10, 23, 57, 132, 301, 701, 1750 ]
[ "hard", "nonn" ]
A054844
[ 2, 2, 4, 2, 4, 4, 4, 2, 6, 4, 4, 4, 4, 4, 8, 2, 4, 6, 4, 4, 8, 4, 4, 4, 6, 4, 8, 4, 4, 8, 4, 2, 8, 4, 8, 6, 4, 4, 8, 4, 4, 8, 4, 4, 12, 4, 4, 4, 6, 6, 8, 4, 4, 8, 8, 4, 8, 4, 4, 8, 4, 4, 12, 2, 8, 8, 4, 4, 8, 8, 4, 6, 4, 4, 12, 4, 8, 8, 4, 4, 10, 4, 4, 8, 8, 4, 8, 4, 4, 12, 8, 4, 8, 4, 8, 4, 4, 6, 12, 6 ]
[ "easy", "nonn" ]
A312667
[ 1, 4, 8, 14, 20, 24, 30, 34, 36, 44, 44, 56, 50, 68, 62, 82, 70, 92, 72, 100, 82, 110, 92, 118, 112, 128, 124, 136, 122, 144, 130, 156, 138, 168, 158, 182, 166, 194, 158, 202, 166, 212, 176, 222, 204, 232, 216, 240, 208, 246 ]
[ "nonn" ]
A046568
[ 1, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 9, 5, 9, 1, 1, 13, 19, 19, 13, 1, 1, 17, 8, 19, 8, 17, 1, 1, 21, 49, 35, 35, 49, 21, 1, 1, 25, 35, 119, 35, 119, 35, 25, 1, 1, 29, 95, 189, 259, 259, 189, 95, 29, 1, 1, 33, 31, 71, 112, 259, 112, 71, 31, 33, 1 ]
[ "tabl", "nonn", "frac" ]
A010960
[ 1, 44, 946, 13244, 135751, 1086008, 7059052, 38320568, 177232627, 708930508, 2481256778, 7669339132, 21090682613, 51915526432, 114955808528, 229911617056, 416714805914, 686353797976, 1029530696964, 1408831480056, 1761039350070, 2012616400080 ]
[ "nonn", "fini", "full", "easy" ]
A064385
[ 7, 47, 247, 1247, 6247, 31247, 156247, 781247, 3906247, 19531247, 97656247, 488281247, 2441406247, 12207031247, 61035156247, 305175781247, 1525878906247, 7629394531247, 38146972656247 ]
[ "nonn", "easy" ]
A186181
[ 1, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2 ]
[ "nonn", "easy" ]
A353907
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 31381059609, 1853020188851841 ]
[ "nonn", "easy", "base", "fini", "full" ]
A029296
[ 1, 0, 0, 1, 0, 0, 2, 1, 0, 2, 1, 0, 4, 2, 1, 4, 2, 1, 6, 4, 2, 7, 4, 2, 10, 6, 4, 11, 7, 4, 14, 10, 6, 16, 11, 7, 20, 14, 10, 22, 16, 11, 27, 20, 14, 30, 22, 16, 36, 27, 20, 39, 30, 22, 46, 36, 27, 50, 39, 30, 58, 46, 36, 63, 50 ]
[ "nonn", "easy" ]
A118088
[ 0, 1, 2, 3, 2, 3, 6, 3, 4, 9, 4, 5, 6, 3, 4, 9, 4, 5, 18, 7, 8, 9, 4, 5, 12, 5, 6, 27, 10, 11, 12, 5, 6, 15, 6, 7, 18, 7, 8, 9, 4, 5, 12, 5, 6, 27, 10, 11, 12, 5, 6, 15, 6, 7, 54, 19, 20, 21, 8, 9, 24, 9, 10, 27, 10, 11, 12, 5, 6, 15, 6, 7, 36, 13, 14, 15, 6, 7, 18, 7, 8, 81, 28, 29, 30, 11, 12 ]
[ "nonn" ]
A194882
[ 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 ]
[ "nonn" ]
A179849
[ 19, 41, 53, 103, 151, 211, 229, 263, 313, 397, 419, 439, 461, 479, 523, 557, 571, 709, 859, 881, 919, 977, 983, 991, 1033, 1049, 1069, 1091, 1103, 1109, 1117, 1171, 1187, 1193, 1279, 1301, 1327, 1427, 1447, 1453, 1489, 1499, 1571, 1621, 1709, 1721, 1747 ]
[ "nonn" ]
A123425
[ 1, 2, 4, 11, 32, 128, 608, 3689, 27238, 244922, 2659678, 35013106, 562450090 ]
[ "nonn", "more" ]
A182888
[ 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 4, 3, 0, 1, 8, 7, 6, 4, 0, 1, 17, 20, 12, 8, 5, 0, 1, 38, 44, 36, 18, 10, 6, 0, 1, 89, 104, 82, 56, 25, 12, 7, 0, 1, 206, 253, 204, 132, 80, 33, 14, 8, 0, 1, 485, 604, 513, 344, 195, 108, 42, 16, 9, 0, 1, 1152, 1466, 1262, 891, 530, 272, 140, 52, 18, 10, 0, 1 ]
[ "nonn", "tabl" ]
A264231
[ 1, 1, 3, 10, 37, 144, 582, 2418, 10266, 44353, 194395, 862308, 3864100, 17466055, 79537815, 364543920, 1680205044, 7782321357, 36202366293, 169056409476, 792157776138, 3723252477558, 17548166926908, 82913613567012, 392650956009063, 1863327440038659, 8859299215070493, 42196115735716900, 201303626788647700, 961803888607574700 ]
[ "nonn" ]
A153958
[ 1, 2, 2, 4, 6, 8, 14, 52, 78, 248, 909, 2324, 7268, 47501, 121021, 658137, 4239215, 19354790, 106079779, 1177208160, 5469153552, 52045617401, 594802267838, 4804258306801, 46214470259731, 931757866564437, 7539129948721736 ]
[ "nonn" ]
A375314
[ 1, 0, 1, 4, 7, 12, 30, 68, 137, 292, 644, 1380, 2936, 6324, 13625, 29216, 62701, 134784, 289547, 621708, 1335378, 2868620, 6161329, 13233352, 28424456, 61053608, 131135696, 281665480, 604991601, 1299461088, 2791106585, 5995016764, 12876698159, 27657841516 ]
[ "nonn", "easy" ]
A173710
[ 0, 0, 0, 4730288584320, 7.069863662920679e+24, 1.6008336756695273e+33, 3.607392051635571e+39, 4.761731914964267e+44, 9.214454846080324e+48 ]
[ "nonn", "easy" ]
A252273
[ 232, 588, 1407, 2513, 7803, 20430, 37160, 121782, 326774, 596036, 2008782, 5462339, 9969419, 34147305, 93561856, 170807342, 590374668, 1624383132, 2965903730, 10301913228, 28409142949, 51875117033, 180660686571, 498797977816 ]
[ "nonn" ]
A330728
[ 1, 1, 1, 1, 1, 2, 2, 3, 7, 5, 5, 11, 16, 16, 27, 18, 61, 62, 272, 45, 123, 61, 1385, 105, 152, 272, 501, 211, 7936, 362 ]
[ "nonn", "more" ]
A171052
[ 2, 9, 5, 7, 11, 19, 17, 13, 29, 23, 91, 97, 41, 49, 47, 59, 53, 61, 67, 71, 79, 73, 89, 83, 37, 101, 109, 107, 103, 119, 127, 191, 197, 193, 143, 151, 157, 169, 167, 179, 173, 181, 131, 139, 137, 133, 211, 229, 227, 223, 299, 293, 241, 251, 257, 269 ]
[ "nonn", "base", "easy" ]
A135009
[ 3, 3, 1, 0, 9, 1, 4, 9, 7, 0, 5, 4, 2, 9, 8, 0, 8, 9, 4, 3, 5, 9, 7, 1, 3, 9, 3, 1, 4, 5, 3, 1, 4, 7, 8, 0, 7, 0, 1, 2, 3, 0, 0, 1, 7, 9, 2, 8, 5, 9, 1, 0, 5, 1, 0, 5, 7, 0, 5, 3, 1, 2, 1, 5, 2, 7, 7, 1, 5, 3, 4, 6, 1, 7, 0, 4, 0, 9, 8, 2, 3, 0, 2, 1, 4, 3, 2, 5, 4, 6, 9, 1, 1, 3, 2, 7, 6, 7, 9, 3 ]
[ "nonn", "cons", "easy" ]
A186828
[ 1, 1, 4, 14, 57, 247, 1124, 5296, 25621, 126529, 635264, 3232886, 16638821, 86456767, 452927448, 2389672752, 12686560409, 67721774737, 363268546892, 1957131383342, 10585610149121, 57458399978455, 312890905815900, 1708883398754176, 9358483855106828, 51378142520487280, 282714583026982500 ]
[ "nonn", "easy" ]
A005342
[ 7, 23, 69, 165, 345, 664, 1137, 1911 ]
[ "nonn", "more" ]
A099774
[ 1, 2, 2, 2, 3, 2, 2, 4, 2, 2, 4, 2, 3, 4, 2, 2, 4, 4, 2, 4, 2, 2, 6, 2, 3, 4, 2, 4, 4, 2, 2, 6, 4, 2, 4, 2, 2, 6, 4, 2, 5, 2, 4, 4, 2, 4, 4, 4, 2, 6, 2, 2, 8, 2, 2, 4, 2, 4, 6, 4, 3, 4, 4, 2, 4, 2, 4, 8, 2, 2, 4, 4, 4, 6, 2, 2, 6, 4, 2, 4, 4, 2, 8, 2, 3, 6, 2, 6, 4, 2, 2, 4, 4, 4, 8, 2, 2, 8, 2, 2, 4, 4, 4, 6, 4 ]
[ "nonn", "easy" ]
A327634
[ 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 18, 21, 22, 24, 30, 40, 42, 54, 66, 72, 78, 88, 96, 102, 114, 120, 168, 210, 216, 264, 312, 330, 360, 378, 384, 408, 456, 480, 510, 546, 552, 600, 672, 690, 696, 744, 840, 1080, 1320, 1512, 1560, 1848, 1920, 2040, 2184, 2280, 2688 ]
[ "nonn", "look" ]
A135725
[ 2, 8, 7, 2, 1, 2, 7, 2, 1, 2, 2, 8, 8, 2, 2, 8, 1, 8, 8, 8, 1, 2, 1, 2, 8, 2, 8, 7, 8, 8, 1, 1, 1, 1, 2, 8, 8, 8, 8, 8, 1, 2, 8, 2, 8, 8, 1, 8, 8, 8, 8, 8, 8, 8, 2, 8, 1, 1, 8, 1, 8, 1, 1, 8, 8, 1, 2, 2, 8, 1, 1, 8, 2, 8, 8, 8, 8, 2, 8, 8, 8, 2, 8, 8, 7, 8, 2, 1, 7, 8, 2, 8, 1, 8, 7, 1, 1, 2, 1 ]
[ "nonn", "base" ]
A227283
[ 199, 409, 619, 881, 3499, 3709, 10627, 10859, 11069, 30097, 31583, 120661, 120737, 153319, 182537, 471089, 487391, 564973, 565183, 825991, 1010747, 1280623, 1288607, 1288817, 1302281, 1302491, 1395209, 1982599, 2358841, 2359051, 2439571, 3161017, 3600521 ]
[ "nonn" ]
A278222
[ 1, 2, 2, 4, 2, 6, 4, 8, 2, 6, 6, 12, 4, 12, 8, 16, 2, 6, 6, 12, 6, 30, 12, 24, 4, 12, 12, 36, 8, 24, 16, 32, 2, 6, 6, 12, 6, 30, 12, 24, 6, 30, 30, 60, 12, 60, 24, 48, 4, 12, 12, 36, 12, 60, 36, 72, 8, 24, 24, 72, 16, 48, 32, 64, 2, 6, 6, 12, 6, 30, 12, 24, 6, 30, 30, 60, 12, 60, 24, 48, 6, 30, 30, 60, 30, 210, 60, 120, 12, 60, 60, 180, 24, 120, 48, 96, 4, 12, 12 ]
[ "nonn", "base" ]
A291837
[ 1, 6, 100, 3525, 210861, 20545920, 2516883516, 366723015750, 65231311386780, 13434052797314820, 3068032280097741000, 770387691039763200000, 2.2206663362159828e+23, 6.9102739152239835e+25, 2.3037728813031183e+28 ]
[ "nonn" ]
A034801
[ 1, 1, 1, 1, 3, 1, 1, 8, 8, 1, 1, 21, 56, 21, 1, 1, 55, 385, 385, 55, 1, 1, 144, 2640, 6930, 2640, 144, 1, 1, 377, 18096, 124410, 124410, 18096, 377, 1, 1, 987, 124033, 2232594, 5847270, 2232594, 124033, 987, 1, 1, 2584, 850136, 40062659, 274715376, 274715376, 40062659, 850136, 2584, 1 ]
[ "nonn", "tabl" ]
A012037
[ 1, -4, 84, -4320, 410640, -62424000, 13882209600, -4250758886400, 1715097849504000, -881945575315584000, 563062441711086700000, -4.3699185389304185e+23, 4.0518685678093894e+26 ]
[ "sign" ]
A197871
[ 0, 2, 1, 4, 3, 1, 6, 6, 2, 1, 9, 9, 4, 2, 11, 13, 7, 3, 1, 15, 17, 10, 4, 2, 18, 22, 13, 7, 2, 1, 22, 26, 19, 8, 4, 1, 25, 34, 22, 12, 4, 2, 30, 40, 28, 13, 7, 2, 34, 48, 32, 18, 7, 3, 1, 39, 56, 38, 21, 9, 4, 1, 44, 62, 48, 24, 11, 4, 2, 48, 75, 51, 29, 13, 6, 2 ]
[ "nonn", "tabf" ]
A005354
[ 1, 1, 0, 0, 0, 1, 3, 9, 28, 85, 262, 827, 2651, 8626, 28507, 95393, 322938, 1104525, 3812367, 13266366, 46504495, 164098390, 582521687, 2079133141, 7457788295, 26872946466, 97238824018, 353218128299, 1287657977946, 4709784136316 ]
[ "nonn", "nice" ]
A146178
[ 1, 1, 1, 1, 5, 29, 161, 905, 3749, 24539, 286931, 3046339, 51706885, 1159037433, 32728917231, 966827028811 ]
[ "nonn" ]
A028326
[ 2, 2, 2, 2, 4, 2, 2, 6, 6, 2, 2, 8, 12, 8, 2, 2, 10, 20, 20, 10, 2, 2, 12, 30, 40, 30, 12, 2, 2, 14, 42, 70, 70, 42, 14, 2, 2, 16, 56, 112, 140, 112, 56, 16, 2, 2, 18, 72, 168, 252, 252, 168, 72, 18, 2, 2, 20, 90, 240, 420, 504, 420, 240, 90, 20, 2, 2, 22, 110, 330, 660, 924, 924, 660, 330, 110, 22, 2 ]
[ "nonn", "tabl", "easy", "nice" ]
A271326
[ 3, 15, 30, 51, 84, 111, 150, 195, 246, 318, 366, 435, 510, 591, 684, 771, 882, 975, 1086, 1218, 1326, 1455, 1590, 1731, 1884, 2031, 2190, 2370, 2526, 2718, 2886, 3075, 3270, 3483, 3684, 3891, 4128, 4335, 4566, 4818, 5046, 5295, 5550, 5811, 6084 ]
[ "nonn", "easy" ]
A062535
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 2, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 2, 1, 0, 0, 0, 2, 0, 0, 2, 0, 1, 1, 0, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A282493
[ 1, 2, 7, 0, 23, 56, 15, 176, 455, 184, 1295, 2672, 7303, 3576, 19407, 54192, 41927, 214200, 166159, 856688, 666759, 3431928, 2669519, 13718448, 10675143, 55002296, 42699023, 219484784, 171584647, 877944312, 716749775, 3578876848, 2862801863, 14323893432 ]
[ "nonn", "easy" ]
A386497
[ 1, 1, 2, 12, 60, 440, 3390, 33852, 338072, 4116240, 51776730, 736751180, 11075784852, 183142075272, 3157190863190, 59336602681020, 1164223828582320, 24348331444705950, 533422896546272600, 12365952739192924000, 298208300418298740000, 7.570420981014168e+21 ]
[ "nonn", "easy" ]
A197128
[ 2, 3, 5, 7, 8, 10, 11, 12, 13, 15, 17, 18, 19, 20, 21, 23, 24, 26, 27, 28, 29, 31, 32, 33, 35, 37, 39, 40, 41, 43, 44, 45, 47, 48, 50, 51, 52, 53, 55, 57, 58, 59, 60, 61, 63, 65, 67, 68, 71, 72, 73, 74, 75, 76, 77, 79, 80, 82, 83, 84, 85, 88, 89, 90, 91, 92 ]
[ "nonn" ]
A196170
[ 1, 8, 2, 16, 3, 11, 24, 91, 4, 32, 5, 16, 40, 77, 264, 6, 22, 48, 182, 7, 16, 39, 56, 87, 160, 527, 8, 13, 21, 35, 64, 153, 9, 33, 72, 152, 273, 880, 10, 32, 80, 154, 528, 11, 56, 88, 115, 235, 416, 12, 44, 96, 364, 13, 85, 104, 168, 336, 589, 14, 32, 78, 112 ]
[ "nonn" ]
A006462
[ 1, 0, -1, -2, -2, 0, 2, 4, 3, 0, -1, 6, 28, 72, 139, 242, 407, 722, 1215, 2348, 3753, 7186, 9558, 21800, 16576, 61234, -7978, 226136, -446034, 1118180, -3180033, 6428640, -24607343, 56904504, -176451720, 379824634, -1133204742, 3043377452, -9446665098, 25288847986 ]
[ "sign" ]
A358470
[ 0, 0, 0, 0, 1, 3, 5, 6, 7, 7, 8, 11, 15, 18, 20, 23, 25, 27, 29, 31, 35, 39, 42, 45, 48, 51, 56, 61, 64, 67, 70, 73, 75, 78, 82, 88, 94, 101, 109, 117, 124, 133, 143, 155, 168, 181, 193, 207, 222, 237, 253, 269, 285, 302, 319, 337, 356, 375, 393, 412, 431, 450, 470, 491, 512, 533, 553, 573, 594, 615, 636, 657, 678 ]
[ "nonn" ]
A029575
[ 0, 0, 0, 0, 0, 0, 0, 0, 5040, 45360, 453600, 4989600, 59875200, 778377600, 10897286400, 163459296000, 2451889440000, 41682120480000, 750278168640000, 14255285204160000, 285105704083200000, 5987219785747200000, 131718835286438400000, 3.0295332115880833e+21 ]
[ "nonn" ]
A154273
[ 2, 11, 79, 97, 109, 127, 151, 239, 313, 557, 599, 661, 719, 733, 797, 839, 1051, 1061, 1097, 1171, 1259, 1283, 1303, 1453, 1559, 1621, 1973, 1999, 2011, 2111, 2213, 2267, 2311, 2383, 2437, 2539, 2621, 2719, 2767, 2879, 2957, 3083, 3137, 3313, 3433, 3607 ]
[ "nonn" ]
A091732
[ 1, 1, 2, 3, 4, 2, 6, 3, 8, 4, 10, 6, 12, 6, 8, 15, 16, 8, 18, 12, 12, 10, 22, 6, 24, 12, 16, 18, 28, 8, 30, 15, 20, 16, 24, 24, 36, 18, 24, 12, 40, 12, 42, 30, 32, 22, 46, 30, 48, 24, 32, 36, 52, 16, 40, 18, 36, 28, 58, 24, 60, 30, 48, 45, 48, 20, 66, 48, 44, 24, 70, 24, 72, 36, 48 ]
[ "nonn", "mult" ]
A341686
[ 4, 2, 2, 2, 4, 0, 0, 3, 2, 0, 1, 0, 3, 1, 3, 4, 0, 0, 2, 3, 4, 3, 1, 1, 0, 2, 1, 3, 4, 0, 3, 1, 0, 2, 4, 0, 1, 2, 1, 1, 1, 1, 0, 1, 3, 2, 0, 1, 1, 1, 4, 2, 3, 2, 0, 3, 3, 0, 0, 3, 0, 1, 4, 2, 0, 0, 2, 4, 0, 4, 3, 3, 1, 3, 3, 1, 4, 4, 2, 4, 2, 3, 4, 1, 0, 4, 0, 2, 4, 2, 2 ]
[ "nonn", "base" ]
A251151
[ 65, 470, 3374, 24233, 173990, 1249276, 8969854, 64404093, 462424885, 3320236303, 23839479611, 171168778796, 1229001271939, 8824296918154, 63358938568631, 454920673442317, 3266355526135404, 23452612831159264, 168391053639773500 ]
[ "nonn" ]
A217152
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 9, 46, 191, 781, 3161, 15002 ]
[ "nonn", "hard", "more" ]
A066595
[ 11, 41, 101, 401, 641, 1601, 4001, 4111, 4441, 10111, 10141, 11161, 11411, 14011, 14401, 14411, 16001, 16111, 16141, 16411, 25601, 40111, 40961, 41011, 41141, 41161, 41411, 41611, 41641, 44041, 44101, 44111 ]
[ "base", "easy", "nonn" ]
A090307
[ 2, 18, 326, 5886, 106274, 1918818, 34644998, 625528782, 11294163074, 203920464114, 3681862517126, 66477445772382, 1200275886420002, 21671443401332416, 391286257110403500, 7064824071388596000 ]
[ "easy", "nonn" ]
A238878
[ 1, 2, 3, 1, 1, 4, 3, 2, 5, 5, 3, 4, 2, 2, 3, 3, 5, 3, 1, 3, 4, 4, 2, 5, 2, 2, 7, 3, 2, 4, 4, 7, 4, 4, 4, 4, 4, 3, 4, 4, 4, 2, 4, 3, 7, 4, 9, 6, 3, 4, 5, 4, 2, 4, 4, 4, 3, 4, 5, 6, 10, 4, 4, 8, 9, 6, 5, 6, 5, 7, 8, 9, 5, 2, 5, 7, 1, 7, 4, 5 ]
[ "nonn" ]
A312910
[ 1, 4, 9, 13, 17, 23, 27, 31, 39, 39, 44, 50, 55, 57, 66, 68, 70, 79, 78, 89, 91, 95, 100, 103, 111, 111, 123, 118, 127, 135, 132, 144, 144, 151, 151, 161, 164, 166, 179, 170, 184, 186, 190, 200, 198, 205, 204, 218, 216, 223 ]
[ "nonn" ]
A096476
[ 5, 59, 31, 179, 353, 547, 109, 4133, 6841, 773, 9293, 3733, 10559, 17627, 108643, 9973, 32261, 3259, 22811, 18617, 65731, 60821, 156371, 404029, 55733, 40637, 540619, 192677, 290897, 118297, 693877, 406883, 812527, 264659, 1022303, 928471 ]
[ "nonn" ]
A221036
[ 1, 7, 33, 119, 457, 1710, 6466, 24433, 92196, 347977, 1313608, 4958107, 18714962, 70641589, 266642543, 1006466983, 3799003546, 14339684590, 54126460553, 204305303067, 771169136489, 2910848804238, 10987266400303, 41472446978323 ]
[ "nonn" ]
A257801
[ 1, 2, 3, 4, 7, 5, 9, 6, 11, 8, 13, 14, 25, 10, 17, 12, 15, 19, 33, 20, 35, 16, 21, 24, 18, 22, 27, 45, 43, 28, 31, 47, 23, 29, 34, 26, 51, 30, 38, 59, 63, 57, 115, 39, 42, 61, 37, 32, 40, 46, 36, 66, 73, 41, 52, 78, 83, 76, 49, 146, 67, 53, 56, 81, 50, 44, 79, 54, 60, 48, 163, 86, 87, 95, 55, 68, 101, 107, 171, 98, 64 ]
[ "nonn" ]
A185226
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 5, 5, 7, 8, 10, 11, 15, 16, 20, 23, 28, 31, 39, 43, 52, 59, 70, 79, 95, 106, 125, 142, 166, 187, 220, 247, 287, 325, 375, 423, 490, 551, 633, 715, 818, 921, 1055, 1186, 1352, 1522, 1729, 1943, 2208 ]
[ "nonn", "easy" ]
A302520
[ 64, 22, 28, 163, 376, 1088, 4558, 23944, 95681, 344525, 1302832, 5550086, 23153940, 91082448, 353017903, 1418215128, 5785509156, 23250191623, 92140078093, 367162912762, 1476616246378, 5935545674594, 23726268173317, 94734366451064 ]
[ "nonn" ]
A304762
[ 0, 5, 16, 103, 609, 3680, 22187, 133917, 808316, 4879291, 29453651, 177797086, 1073274929, 6478847051, 39109708948, 236086679225, 1425142852937, 8602908821882, 51931664514329, 313486733315663, 1892370154813176 ]
[ "nonn" ]
A019434
[ 3, 5, 17, 257, 65537 ]
[ "nonn", "hard", "nice" ]
A091236
[ 15, 27, 35, 39, 51, 55, 63, 75, 87, 91, 95, 99, 111, 115, 119, 123, 135, 143, 147, 155, 159, 171, 175, 183, 187, 195, 203, 207, 215, 219, 231, 235, 243, 247, 255, 259, 267, 275, 279, 287, 291, 295, 299, 303, 315, 319, 323, 327, 335, 339, 343, 351, 355, 363 ]
[ "easy", "nonn" ]
A184510
[ 1, 1, 1, 1, 4, 22, 103, 565, 3650, 24574, 174621, 1326012, 10552612, 87581914, 758382533, 6820324763, 63533751777, 612270354128, 6092311420096, 62498687197246, 660267713966489, 7174908370818956, 80115656652409630, 918403116546918100, 10799109424669567000 ]
[ "nonn" ]
A380340
[ 1, 1, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 ]
[ "nonn", "easy" ]
A060460
[ 3, 12, 53, 254, 1255, 6256, 31257, 156258, 781259, 3906260, 19531261, 97656262, 488281263, 2441406264, 12207031265, 61035156266, 305175781267, 1525878906268, 7629394531269, 38146972656270, 190734863281271 ]
[ "base", "nonn" ]
A053843
[ 0, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 0, 2, 3, 4, 5, 6, 7, 0, 1, 3, 4, 5, 6, 7, 0, 1, 2, 4, 5, 6, 7, 0, 1, 2, 3, 5, 6, 7, 0, 1, 2, 3, 4, 6, 7, 0, 1, 2, 3, 4, 5, 7, 0, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 0, 2, 3, 4, 5, 6, 7, 0, 1, 3, 4, 5, 6, 7, 0, 1, 2, 4, 5, 6, 7, 0, 1, 2, 3, 5, 6, 7, 0, 1, 2, 3, 4, 6 ]
[ "base", "nonn" ]