Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A284532
[ 1, 1, 2, 2, 3, 3, 1, 4, 3, 1, 2, 4, 1, 2, 2, 1, 3, 2, 1, 3, 2, 1, 4, 2, 1, 4, 2, 1, 3, 2, 1, 3, 2, 1, 4, 2, 1, 4, 2, 1, 3, 2, 1, 3, 2, 1, 4, 2, 1, 4, 2, 1, 3, 2, 1, 3, 2, 1, 4, 2, 1, 4, 2, 1, 3, 2, 1, 3, 2, 1, 4, 2, 1, 4, 2, 1, 3, 2, 1, 3, 2, 1, 4, 2, 1, 4, 2 ]
[ "nonn" ]
A051318
[ 43, 2, 3, 7, 13, 53, 5, 6221671, 38709183810571, 139, 2801, 11, 17, 5471, 52662739, 23003, 30693651606209, 37, 1741, 1313797957, 887, 71, 7127, 109, 23, 97, 159227, 6.436797949634662e+26, 103, 1079990819, 9539, 3143065813, 29, 3847, 89, 19, 577, 223 ]
[ "nonn" ]
A029606
[ 1, 5, 7, 9, 15, 11, 11, 13, 35, 17, 15, 85, 57, 17, 63, 133, 175, 147, 77, 23, 19, 21, 99, 29, 23, 375, 155, 25, 143, 495, 1155, 605, 187, 35, 27, 3069, 1925, 29, 195, 4719, 7293, 5291, 2717, 41, 31, 1001, 7007, 15873, 13013, 3731, 301, 33, 255, 1225, 4095 ]
[ "nonn", "tabf" ]
A208012
[ 28, 784, 3808, 18496, 55624, 167281, 393049, 923521, 1860496, 3748096, 6791488, 12306064, 20630548, 34586161, 54628609, 86285521, 130008844, 195888016, 284062816, 411927616, 578699848, 812991169, 1112035513, 1521078001 ]
[ "nonn" ]
A037215
[ 0, 0, 0, 1, 0, 0, 6, 0, 0, 12, 0, 9, 8, 0, 36, 0, 0, 36, 12, 27, 0, 48, 54, 0, 48, 0, 72, 42, 0, 144, 60, 0, 0, 108, 108, 90, 96, 0, 198, 0, 0, 216, 120, 135, 72, 240, 108, 0, 64, 216, 360, 96, 0, 144, 396, 0, 288, 324, 0, 351, 0, 432, 432, 0, 0, 360, 492, 189, 288, 432, 540, 0, 96, 108, 648, 335, 216, 1008, 420, 0, 0, 852, 216, 657 ]
[ "nonn" ]
A259236
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 23, 34, 45, 56, 67, 78, 89, 91, 99, 122, 123, 199, 212, 221, 222, 223, 231, 232, 233, 234, 312, 319, 322, 323, 332, 333, 334, 343, 344, 345, 431, 433, 434, 443, 444, 445, 454, 455, 456, 543, 544, 545, 554, 555, 556, 565, 566, 567, 654, 655, 656, 665, 666, 667, 676, 677, 678, 765, 766, 767, 776, 777 ]
[ "nonn", "base", "easy" ]
A143577
[ 73, 97, 233, 277, 349, 353, 613, 821, 877, 1073, 1181, 1189, 1277, 1285, 1313, 1385, 1613, 1637, 1693, 1745, 1865, 2357, 2581, 2777, 3233, 3557, 3989, 4157, 4469, 4517, 4553, 4709, 4889, 4925, 4933, 5245, 5261, 5305, 5597, 6113, 6205, 6253, 7213, 7585, 7837, 8885 ]
[ "nonn" ]
A184627
[ 2, 4, 6, 9, 11, 13, 16, 18, 20, 23, 25, 28, 30, 32, 35, 37, 39, 42, 44, 46, 49, 51, 54, 56, 58, 61, 63, 65, 68, 70, 73, 75, 77, 80, 82, 84, 87, 89, 91, 94, 96, 99, 101, 103, 106, 108, 110, 113, 115, 117, 120, 122, 125, 127, 129, 132, 134, 136, 139, 141, 143, 146, 148, 151, 153, 155, 158, 160, 162, 165, 167, 170, 172, 174, 177, 179, 181, 184, 186, 188, 191, 193, 196, 198, 200, 203, 205, 207, 210, 212, 214, 217, 219, 222, 224, 226, 229, 231, 233, 236, 238, 240, 243, 245, 248, 250, 252, 255, 257, 259, 262, 264, 267, 269, 271, 274, 276, 278, 281, 283 ]
[ "nonn" ]
A257994
[ 0, 0, 1, 0, 1, 1, 0, 0, 2, 1, 1, 1, 0, 0, 2, 0, 1, 2, 0, 1, 1, 1, 0, 1, 2, 0, 3, 0, 0, 2, 1, 0, 2, 1, 1, 2, 0, 0, 1, 1, 1, 1, 0, 1, 3, 0, 0, 1, 0, 2, 2, 0, 0, 3, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 1, 1, 1, 1, 0, 2, 0, 0, 3, 0, 1, 1, 0, 1, 4, 1, 1, 1, 2, 0, 1, 1, 0, 3 ]
[ "nonn", "easy" ]
A065839
[ 3, 13, 53, 859, 880571, 230836658783, 1.872769465992377e+43, 1.4489851914394149e+69 ]
[ "nonn", "base" ]
A214310
[ 1, 24, 180, 1120, 5145, 23016, 91056, 357480, 1327095, 4893680, 17525508, 62254920, 217457695, 753332160, 2581110000, 8779264032, 29624681763, 99350001360, 331159123260, 1098168382080, 3624003213369, 11908069219816, 38972450763000, 127087400895000 ]
[ "nonn" ]
A326134
[ 6, 28, 69, 91, 496, 2211, 4825, 8128, 12639, 22799825, 33550336, 60406599, 68258725, 569173299, 794579511, 984210266, 2830283326, 8589869056, 10759889913, 80295059913, 85871289682 ]
[ "nonn", "more" ]
A042146
[ 24, 49, 220, 269, 4255, 8779, 135940, 144719, 714816, 1574351, 76283664, 154141679, 692850380, 846992059, 13397731265, 27642454589, 428034550100, 455677004689, 2250742568856, 4957162142401, 240194525404104, 485346212950609, 2181579377206540, 2666925590157149 ]
[ "nonn", "cofr", "frac", "easy", "less" ]
A242732
[ 8, 10, 15, 20, 25, 35, 12, 16, 20, 20, 25, 9, 15, 15, 20, 25, 24, 27, 36, 45, 55, 33, 44, 55, 65, 14, 24, 32, 32, 40, 40, 50, 50, 60, 36, 36, 48, 60, 60, 70, 70, 80, 80, 42, 56, 70, 80, 90, 13, 17, 21, 19, 23, 22, 26, 26, 30, 35, 40, 40, 45, 20, 15, 18, 27, 48 ]
[ "nonn", "fini", "full" ]
A052890
[ 1, 1, 2, 6, 16, 49, 153, 493, 1623, 5460, 18625, 64373, 224843, 792546, 2815443, 10070115, 36233440, 131063713, 476320360, 1738401482, 6368750019, 23413000913, 86342448134, 319329672079, 1184129737292, 4401635480735, 16398478453303, 61220441044887 ]
[ "easy", "nonn" ]
A140523
[ 0, 2, 3, 4, 5, 1, 7, 8, 9, 3, 11, 1, 13, 5, 2, 16, 17, 7, 19, 1, 4, 9, 23, 5, 25, 11, 27, 3, 29, 0, 31, 32, 8, 15, 2, 5, 37, 17, 10, 3, 41, 2, 43, 7, 4, 21, 47, 13, 49, 23, 14, 9, 53, 25, 6, 1, 16, 27, 59, 2, 61, 29, 2, 64, 8, 6, 67, 13, 20, 0, 71, 1, 73, 35, 22, 15, 4, 8, 79, 11, 81, 39, 83 ]
[ "nonn" ]
A112515
[ 5, 15, 1115, 3115, 132115, 31131215, 23411215, 2213143115, 2241231415, 3224311315, 3322143115, 3322311415, 3322311415, 3322311415, 3322311415, 3322311415, 3322311415 ]
[ "base", "easy", "nonn" ]
A158106
[ 1, 2, 2, 5, 5, 5, 14, 14, 15, 15, 51, 51, 67, 76, 77, 267, 267, 504, 633, 684, 731, 2328, 2328, 9310, 9310, 34297, 62440, 113147 ]
[ "nonn", "tabl", "uned" ]
A215370
[ 2, 3, 5, 11, 13, 17, 47, 61, 71, 79, 83, 101, 113, 127, 137, 149, 157, 167, 179, 181, 193, 211, 223, 233, 269, 277, 281, 311, 313, 347, 379, 401, 409, 421, 431, 443, 457, 467, 479, 487, 509, 523, 541, 563, 577, 599, 607, 619, 641, 643, 673, 677, 709, 739 ]
[ "nonn", "easy" ]
A378054
[ 1, 60, 90, 120, 144, 168, 180, 210, 240, 252, 280, 336, 360, 420, 504, 540, 560, 630, 660, 720, 840, 900, 924, 990, 1008, 1056, 1080, 1092, 1200, 1260, 1320, 1404, 1440, 1512, 1560, 1680, 1800, 1848, 1872, 1890, 1980, 2016, 2100, 2112, 2160, 2184, 2310, 2376, 2400 ]
[ "nonn" ]
A348982
[ 0, 1, 1, 6, 1, 11, 1, 22, 9, 15, 1, 52, 1, 19, 17, 66, 1, 69, 1, 76, 21, 27, 1, 176, 15, 31, 51, 100, 1, 145, 1, 178, 29, 39, 25, 288, 1, 43, 33, 264, 1, 189, 1, 148, 123, 51, 1, 508, 21, 145, 41, 172, 1, 339, 33, 352, 45, 63, 1, 632, 1, 67, 159, 450, 37, 277, 1, 220, 53, 265, 1, 924, 1, 79, 175, 244, 37, 321 ]
[ "nonn" ]
A280896
[ 0, 1, 9, 124, 1464, 15768, 159920, 1554304, 14632704, 134378112, 1209699584, 10713166848, 93585811456, 808068888576, 6907767091200, 58538748477440, 492296387559424, 4112143740076032, 34141836642680830, 281936660687224830 ]
[ "nonn" ]
A142036
[ 5, 37, 101, 197, 229, 293, 389, 421, 613, 677, 709, 773, 997, 1061, 1093, 1381, 1637, 1669, 1733, 1861, 2053, 2213, 2309, 2341, 2437, 2693, 2789, 2917, 3109, 3301, 3461, 3557, 3877, 4133, 4229, 4261, 4357, 4421, 4517, 4549, 4933, 5189, 5381, 5413, 5477, 5573 ]
[ "nonn", "easy" ]
A085976
[ 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 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, 0, 0, 0, 0, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 ]
[ "base", "nonn" ]
A278851
[ 0, 25, 1348, 30772, 449677, 4950399, 44571591, 344302564, 2353207764, 14536481606, 82424606803, 434031398793, 2141802790067, 9975624305928, 44106878749240, 186005545087412, 751100286992318, 2913746151722174 ]
[ "nonn" ]
A023521
[ 5, 9, 19, 21, 73, 18, 32, 111, 42, 451, 196, 381, 883, 108, 93, 526, 266, 232, 72, 2593, 36, 162, 1236, 98, 112, 752, 55, 26, 3081, 55, 4161, 1002, 9523, 135, 1616, 444, 863, 1368, 117, 415, 266, 3464, 2642, 1908, 1172, 3504, 1312, 2538, 135 ]
[ "nonn", "look" ]
A319655
[ 0, 1, 2, 3, 4, 5, 6, 1, 8, 9, 10, 11, 12, 13, 2, 9, 16, 17, 18, 19, 20, 3, 10, 17, 24, 25, 26, 27, 4, 11, 18, 25, 32, 33, 34, 5, 12, 19, 26, 33, 40, 41, 6, 13, 20, 27, 34, 41, 48, 1, 8, 9, 10, 11, 12, 13, 8, 57, 58, 59, 60, 61, 62, 9, 58, 65, 66, 67, 68, 69, 10, 59, 66, 73 ]
[ "nonn", "base", "look" ]
A338803
[ 1, 1, 2, 3, 4, 1, 1, 2, 3, 4, 2, 2, 4, 6, 8, 3, 3, 6, 9, 12, 4, 4, 8, 12, 16, 1, 1, 2, 3, 4, 1, 1, 2, 3, 4, 2, 2, 4, 6, 8, 3, 3, 6, 9, 12, 4, 4, 8, 12, 16, 2, 2, 4, 6, 8, 2, 2, 4, 6, 8, 4, 4, 8, 12, 16, 6, 6, 12, 18, 24, 8, 8, 16, 24, 32, 3, 3, 6, 9, 12, 3 ]
[ "nonn", "base" ]
A326660
[ 0, 0, 1, 3, 12, 34, 111, 315, 933, 2622, 7503, 21033, 59472, 167118, 472120, 1332945, 3777600, 10720869, 30516447, 87032994, 248820704, 712743768, 2045784183, 5882367570, 16942974048, 48876558318, 141204944529, 408494941773, 1183247473872, 3431450670601 ]
[ "nonn" ]
A036854
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 4, 4, 4, 5, 5, 11, 12, 12, 15, 15, 26, 30, 31, 40, 40, 60, 70, 73, 94, 96, 135, 157, 164, 211, 218, 298, 344, 359, 453, 474, 640, 733, 763, 950, 1000, 1339, 1525, 1584, 1942, 2055, 2724, 3093, 3211, 3894, 4128, 5410, 6127, 6363, 7642, 8116, 10500, 11874, 12341, 14718 ]
[ "nonn", "changed" ]
A111747
[ 2, 3, 4, 5, 7, 8, 9, 27, 81, 243, 512, 2401, 4913, 19683, 59049, 177147, 390625, 1594323, 43046721, 129140163, 1977326743, 10460353203, 27512614111, 68719476736, 271818611107, 1174711139837, 7625597484987, 617673396283947, 45848500718449030, 50031545098999704 ]
[ "nonn", "base" ]
A104306
[ 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 5, 2, 1, 5, 6, 2, 1, 7, 8, 2, 2, 2, 1, 2, 6, 2, 2, 3, 1, 12, 6, 2, 2, 1, 1, 1, 8, 4, 2, 3, 1, 1, 1, 8, 2, 2, 5, 1, 1, 1, 2, 8, 2, 2, 4, 1, 1, 1, 10, 8, 2, 2, 6, 1, 1, 1, 1, 1, 4, 2, 6, 2, 2, 1, 2, 2, 3, 1, 1, 2, 2, 2, 2, 1, 2, 1, 3, 1, 1, 1, 2, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1 ]
[ "nonn" ]
A358901
[ 1, 1, 1, 2, 2, 2, 3, 4, 4, 5, 5, 7, 9, 8, 9, 11, 11, 15, 16, 16, 18, 20, 22, 26, 28, 31, 32, 36, 40, 45, 46, 46, 50, 59, 64, 70, 75, 78, 83, 89, 94, 108, 106, 104, 120, 137, 142, 147, 150, 161, 174, 190, 200, 220, 226, 224, 248, 274, 274, 287, 301, 320, 340, 351, 361 ]
[ "nonn" ]
A387721
[ 6, 10, 12, 14, 15, 18, 20, 21, 22, 24, 26, 28, 30, 34, 36, 38, 40, 42, 44, 45, 46, 48, 50, 52, 54, 56, 58, 60, 62, 66, 68, 70, 72, 74, 75, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 105, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126, 130, 132, 134, 135, 136, 138, 140, 142, 144, 146, 148 ]
[ "nonn" ]
A128632
[ 1, -5, 6, 4, -3, -12, -8, 12, 30, 20, -30, -72, -46, 60, 156, 96, -117, -300, -188, 228, 552, 344, -420, -1008, -603, 732, 1770, 1048, -1245, -2976, -1776, 2088, 4908, 2900, -3420, -7992, -4658, 5460, 12756, 7408, -8583, -19944, -11564, 13344, 30756, 17744, -20448, -46944 ]
[ "sign" ]
A368221
[ 2, 4, 3, 8, 10, 6, 16, 36, 40, 10, 32, 136, 288, 136, 20, 64, 528, 2176, 2080, 544, 36, 128, 2080, 16896, 32896, 16640, 2080, 72, 256, 8256, 133120, 524800, 526336, 131328, 8320, 136, 512, 32896, 1056768, 8390656, 16793600, 8390656, 1050624, 32896, 272 ]
[ "nonn", "tabl" ]
A128474
[ 0, 2, 1, 2, 3, 6, 4, 5, 7, 9, 8, 9, 10, 14, 11, 12, 15, 17, 16, 17, 18, 21, 19, 20, 22, 24, 23, 24, 25, 30, 26, 27, 31, 33, 32, 33, 34, 37, 35, 36, 38, 40, 39, 40, 41, 45, 42, 43, 46, 48, 47, 48, 49, 52, 50, 51, 53, 55, 54, 55, 56, 62, 57, 58, 63, 65, 64, 65, 66, 69, 67, 68, 70 ]
[ "nonn" ]
A200627
[ 1, 4, 0, 0, 1, 0, 2, 5, 5, 5, 3, 3, 6, 9, 4, 1, 7, 4, 1, 8, 3, 1, 9, 5, 9, 3, 7, 1, 5, 7, 1, 5, 8, 5, 4, 7, 3, 0, 5, 3, 8, 8, 4, 6, 9, 6, 6, 3, 4, 1, 9, 0, 6, 0, 7, 3, 0, 4, 4, 3, 6, 4, 3, 4, 4, 5, 2, 6, 9, 3, 7, 2, 9, 0, 5, 1, 9, 5, 1, 5, 7, 0, 3, 3, 9, 8, 8, 1, 7, 5, 6, 5, 2, 3, 4, 9, 1, 0, 1 ]
[ "nonn", "cons" ]
A178397
[ 0, 1, 6, 40, 280, 1961, 13726, 96080, 672560, 4707921, 32955446, 230688120, 1614816840, 11303717881, 79126025166, 553882176160, 3877175233120, 27140226631841, 189981586422886, 1329871104960200, 9309097734721400 ]
[ "nonn", "less" ]
A382352
[ 1, 2, 4, 8, 16, 32, 64, 128, 195, 256, 390, 512, 585, 780, 975, 1024, 1170, 1560, 1755, 1950, 2048, 2340, 2535, 2925, 3120, 3510, 3900, 4096, 4680, 4875, 5070, 5265, 5850, 6240, 7020, 7605, 7800, 8192, 8775, 9360, 9750, 10101, 10140, 10530, 11700, 12480, 12675, 14040, 14625 ]
[ "nonn" ]
A052764
[ 0, 1, 8, 144, 4096, 160000, 7962624, 481890304, 34359738368, 2821109907456, 262144000000000, 27197360938418176, 3116402981210161000, 390877006486250200000, 5.326529677310319e+22, 7.8364164096e+24, 1.2379400392853803e+27, 2.089982276903701e+29 ]
[ "easy", "nonn" ]
A316108
[ 0, 1, 1, 1, 9, 45, 237, 1335, 7767, 45867, 275865, 1681776, 10373614, 64620952, 405996375, 2569673028, 16369919346, 104880810464, 675383823982, 4368948815362, 28377658731830, 185003199176340, 1210146671320603, 7940083938945628, 52243075940256370 ]
[ "nonn", "eigen" ]
A055964
[ 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 17, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221, 238, 255, 272, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221, 238, 255, 272, 289, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221, 238 ]
[ "base", "nonn", "look" ]
A366855
[ 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 6, 18, 54, 162, 486, 1458, 4374, 13122, 39366, 1048576, 12, 36, 108, 324, 972, 2916, 8748, 26244, 78732, 1073741824, 24, 72, 216, 648, 1944, 5832, 17496, 52488, 157464, 1099511627776, 48, 144, 432, 1296, 3888, 11664, 34992 ]
[ "nonn", "base" ]
A222009
[ 1, 2, 61, 71, 684847, 8621, 4768743913, 192769238731, 31302497, 3624013907027, 3389284413733950500, 20347152500093, 7.353524311183007e+28, 5.7902166254763575e+29, 3.8283945111344558e+37, 60296900399609970000, 2.7123308311484456e+26, 1.3829593557376278e+36 ]
[ "nonn" ]
A003779
[ 1, 209, 30305, 4140081, 557568000, 74795194705, 10021992194369, 1342421467113969, 179796299139278300, 24080189412483070000, 3.225041354570509e+21, 4.3192621513875694e+23, 5.784735549480796e+25, 7.747424602888405e+27 ]
[ "nonn", "easy" ]
A234202
[ 440, 1732, 6644, 28016, 115680, 509536, 2169836, 9814536, 42498000, 195663360, 856196216, 3992938424, 17600721348, 82886620036, 367331112116, 1742966235544, 7755822204860, 37017397272612, 165231545698596, 792217800373064 ]
[ "nonn" ]
A072114
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 9, 10, 10, 10, 10, 10, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16, 16, 16, 16, 17, 18, 18, 19, 19, 19, 19, 19, 19, 19 ]
[ "easy", "nonn" ]
A365986
[ 1, 7, 9, 13, 71, 57, 119, 373, 791, 597, 1199, 3733, 7911, 12637, 70879, 90293, 63431, 54477, 118159, 706053, 1235351, 3745117, 7915039, 9305013, 13101671, 37700557, 79233519, 126411173, 375470391, 1125156797, 3708385599, 11236128533, 37078709511, 112359569837 ]
[ "nonn", "base", "easy" ]
A245866
[ 90, 318, 960, 3102, 9726, 30900, 97602, 309078, 977664, 3094038, 9789654, 30977796, 98020170, 310161870, 981426624, 3105480558, 9826505742, 31093507092, 98387556594, 311322635814, 985101990912, 3117106968486, 9863299264806 ]
[ "nonn" ]
A343455
[ 22, 14233221, 14331231, 14333110, 15143331, 15233221, 15331231, 15333110, 16143331, 16153331, 16233221, 16331231, 16333110, 17143331, 17153331, 17163331, 17233221, 17331231, 17333110, 18143331, 18153331, 18163331, 18173331, 18233221, 18331231, 18333110, 19143331 ]
[ "nonn", "base", "fini" ]
A024655
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 70, 71, 72, 73, 74, 75, 76, 77, 78, 750, 751, 752, 753, 754, 755, 756, 757, 758, 7530, 7531, 7532, 7533, 7534, 7535, 7536, 7537, 7538, 75310, 75311, 75312, 75313, 75314, 75315, 75316, 75317, 75318, 75380, 75381, 75382, 75383, 75384 ]
[ "nonn", "base", "easy" ]
A151484
[ 1, 1, 4, 15, 61, 269, 1245, 5935, 29128, 145871, 743421, 3843154, 20108453, 106304763, 567011174, 3047948601, 16496553378, 89828010025, 491790403030, 2705562067688, 14949910812086, 82936556715572, 461770124064327, 2579548304347117, 14453779059407020, 81214726367783790, 457521215541829300 ]
[ "nonn", "walk" ]
A358989
[ 3, 1, 4, 1, 5, 9, 1, 9, 5, 3, 1, 3, 4, 5, 8, 8, 7, 3, 7, 7, 5, 3, 5, 3, 8, 2, 0, 9, 3, 7, 0, 0, 4, 2, 4, 8, 1, 5, 5, 9, 5, 8, 2, 2, 5, 4, 3, 4, 1, 3, 0, 5, 6, 1, 7, 9, 1, 7, 6, 5, 6, 4, 2, 8, 4, 2, 2, 0, 8, 4, 5, 3, 2, 5, 2, 7, 7, 1, 4, 8, 4, 4, 1, 9, 0, 9, 7, 2, 7, 2, 3, 5, 1, 0 ]
[ "nonn", "cons" ]
A374980
[ 1, 0, 5, 74, 2193, 101644, 6840085, 630985830, 76484389121, 11792973495032, 2254432154097861, 523368281765512960, 145044815855963400000, 4.730285605709895e+22, 1.7933275902554972e+25, 7.820842217155394e+27, 3.887745712142302e+30 ]
[ "nonn" ]
A269861
[ 4, 5, 7, 10, 12, 14, 15, 16, 17, 19, 21, 29, 30, 34, 36, 38, 40, 41, 42, 43, 44, 45, 48, 51, 52, 53, 55, 56, 57, 58, 61, 63, 64, 65, 67, 73, 77, 79, 82, 86, 87, 90, 91, 92, 100, 101, 102, 103, 106, 108, 110, 113, 114, 115, 120, 122, 123, 124, 125, 126, 127, 129, 130, 132, 134, 135, 136, 137, 140, 144, 146, 148, 149 ]
[ "nonn" ]
A154006
[ 6, 6, 3, 1, 9, 4, 1, 8, 8, 3, 7, 2, 5, 1, 1, 2, 3, 8, 4, 4, 9, 3, 8, 8, 1, 6, 2, 2, 8, 6, 3, 0, 0, 5, 4, 4, 5, 4, 0, 2, 1, 7, 3, 1, 1, 0, 2, 9, 6, 6, 9, 9, 6, 2, 0, 8, 4, 1, 7, 7, 7, 0, 3, 9, 9, 3, 6, 7, 3, 4, 6, 8, 2, 8, 0, 6, 6, 7, 2, 8, 8, 0, 1, 4, 9, 5, 2, 5, 0, 1, 7, 0, 0, 5, 4, 4, 8, 7, 7 ]
[ "nonn", "cons" ]
A160263
[ 1, 28, -898, -119336, 1189900, 836209808, 13406815624, -8063638544864, -383633726413168, 97762575920121280, 8544799476205933000, -1.4051121416426737e+21, -1.9743901987475702e+23, 2.2832490910422532e+25, 4.956511354073268e+27 ]
[ "sign", "frac" ]
A004234
[ 0, 6, 10, 13, 16, 17, 19, 20, 21, 23, 23, 24, 25, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 34, 34, 34, 34, 35, 35, 35, 36, 36, 36, 36, 37, 37, 37, 37, 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, 40, 40, 40, 40, 40, 40, 41, 41, 41, 41, 41, 41 ]
[ "nonn", "easy" ]
A044684
[ 52, 133, 214, 295, 376, 457, 476, 538, 619, 700, 781, 862, 943, 1024, 1105, 1186, 1205, 1267, 1348, 1429, 1510, 1591, 1672, 1753, 1834, 1915, 1934, 1996, 2077, 2158, 2239, 2320, 2401, 2482, 2563, 2644, 2663, 2725, 2806 ]
[ "nonn", "base" ]
A263826
[ 1, 7, 9, 29, 19, 63, 33, 107, 74, 133, 73, 285, 99, 231, 219, 393, 163, 518, 201, 623, 393, 511, 289, 1155, 422, 693, 634, 1101, 451, 1533, 513, 1479, 897, 1141, 915, 2482, 723, 1407, 1227, 2609, 883, 2751, 969, 2477, 2078, 2023, 1153, 4569 ]
[ "nonn" ]
A370963
[ 2, 104, 126164 ]
[ "nonn", "more", "bref" ]
A185353
[ 1, 5, 2, 8, 3, 9, 2, 8, 7, 7, 8, 4, 7, 3, 8, 4, 1, 5, 4, 4, 5, 9, 6, 2, 7, 3, 6, 2, 1, 1, 2, 8, 1, 7, 2, 8, 5, 9, 8, 8, 9, 3, 0, 6, 1, 7, 0, 6, 5, 5, 6, 2, 5, 1, 6, 2, 9, 3, 2, 2, 3, 7, 4, 0, 5, 1, 4, 0, 9, 9, 0, 6, 9, 5, 0, 6, 3, 7, 6, 6, 7, 1, 8, 4, 9, 5, 8, 4, 3, 3, 4, 0, 3, 9, 4, 0, 7, 1, 0, 0 ]
[ "nonn" ]
A042402
[ 26, 27, 1430, 1457, 77194, 78651, 4167046, 4245697, 224943290, 229188987, 12142770614, 12371959601, 655484669866, 667856629467, 35384029402150, 36051886031617, 1910082103046234, 1946133989077851 ]
[ "nonn", "cofr", "frac", "easy" ]
A350487
[ 1, 0, 2, 0, 0, 9, 6, 0, 0, 0, 64, 132, 96, 24, 0, 0, 0, 0, 625, 2640, 4850, 4900, 2850, 900, 120, 0, 0, 0, 0, 0, 7776, 55800, 186480, 379170, 516660, 491040, 328680, 152640, 46980, 8640, 720, 0, 0, 0, 0, 0, 0, 117649, 1286670, 6756120, 22466010 ]
[ "nonn", "tabf" ]
A104075
[ 0, 1, 2, 3, 11, 22, 111, 1111, 11111, 111111, 1111111, 11111111, 111111111 ]
[ "full", "nonn", "fini", "base" ]
A058075
[ 1, 2, 3, 4, 7, 8, 9, 15, 16, 18, 24, 25, 31, 35, 36, 48, 63, 64, 72, 80, 81, 97, 99, 100, 120, 121, 127, 128, 143, 144, 162, 200, 224, 225, 241, 255, 256, 288, 289, 323, 337, 399, 400, 483, 511, 512, 528, 529, 575, 576, 577, 578, 624, 625, 675, 721, 722, 728, 729 ]
[ "nonn" ]
A048264
[ 1, 2, 3, 4, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 24, 25, 26, 27, 30, 31, 32, 35, 36, 37, 38, 42, 43, 44, 48, 49, 50, 54, 55, 60, 61, 65, 66, 67, 72, 73, 77, 78, 79, 84, 90, 91, 95, 96, 102, 108, 114, 119, 120, 125, 143, 155, 161 ]
[ "fini", "full", "nonn" ]
A312273
[ 1, 4, 8, 14, 16, 22, 24, 30, 32, 38, 40, 50, 48, 58, 56, 66, 64, 74, 70, 82, 84, 90, 92, 98, 100, 106, 108, 110, 116, 126, 124, 134, 132, 142, 140, 150, 142, 158, 160, 166, 168, 174, 176, 182, 184, 182, 192, 202, 200, 210 ]
[ "nonn" ]
A184958
[ 0, 0, 0, 0, 5, 25, 269, 1883, 20103, 180927, 2172149, 23893639, 326640467, 4246326071, 65675585793, 985133786895, 17069814958319, 290186854291423, 5579050805341613, 106001965301490640, 2241684406438645000, 47075372535211540000 ]
[ "nonn" ]
A117094
[ 2, 3, 5, 7, 11, 13, 17, 18, 19, 23, 28, 29, 31, 37, 40, 41, 43, 47, 53, 59, 60, 61, 67, 71, 72, 73, 78, 79, 82, 83, 89, 96, 97, 101, 102, 103, 105, 106, 107, 109, 113, 127, 131, 137, 139, 149, 151, 155, 156, 157, 163, 166, 167, 173, 178, 179, 180, 181, 191, 192, 193, 197, 199, 211, 222, 223, 226 ]
[ "easy", "nonn" ]
A027017
[ 1, 7, 73, 373, 1404, 4506, 13226, 36889, 99947, 266455, 704150, 1852212, 4860468, 12739243, 33369709, 87385081, 228803856, 599048334, 1568366942, 4106082685, 10749916175, 28143706267, 73681248938, 192900093288, 505019090664, 1322157246031, 3461452722961 ]
[ "nonn", "easy" ]
A349092
[ 136, 252, 253, 405, 406, 465, 560, 561, 666, 703, 741, 810, 814, 818, 820, 895, 900, 901, 902, 1032, 1034, 1070, 1073, 1074, 1078, 1079, 1080, 1081, 1174, 1225, 1273, 1326, 1370, 1373, 1376, 1377, 1378, 1485, 1587, 1596, 1649, 1650, 1652, 1653, 1681, 1682, 1700, 1702, 1706, 1707, 1708, 1709, 1710, 1711, 1808 ]
[ "nonn" ]
A033575
[ 1, 36, 115, 238, 405, 616, 871, 1170, 1513, 1900, 2331, 2806, 3325, 3888, 4495, 5146, 5841, 6580, 7363, 8190, 9061, 9976, 10935, 11938, 12985, 14076, 15211, 16390, 17613, 18880, 20191, 21546, 22945 ]
[ "nonn", "easy" ]
A389050
[ 9, 1, 6, 8, 6, 8, 5, 7, 6, 8, 7, 1, 0, 4, 4, 6, 4, 0, 5, 7, 1, 6, 9, 8, 5, 7, 9, 8, 1, 7, 6, 9, 2, 4, 2, 7, 3, 7, 7, 7, 0, 9, 9, 0, 1, 0, 8, 3, 7, 7, 4, 9, 8, 2, 3, 5, 2, 5, 3, 4, 4, 8, 8, 7, 7, 4, 7, 3, 0, 0, 7, 8, 7, 4, 7, 5, 7, 5, 3, 0, 4, 7, 1, 9, 7, 5, 3 ]
[ "nonn", "cons" ]
A344547
[ 0, 1, 3, 2, 5, 4, 7, 6, 8, 9, 10, 12, 11, 14, 16, 18, 13, 20, 22, 24, 15, 26, 28, 30, 32, 17, 34, 36, 38, 40, 19, 42, 44, 46, 48, 50, 21, 52, 54, 56, 58, 60, 23, 62, 64, 66, 68, 70, 72, 25, 74, 76, 78, 80, 82, 84, 27, 86, 88, 90, 92, 94, 96, 98, 29, 100, 102, 104, 106, 108, 110, 112, 31, 114 ]
[ "base", "nonn" ]
A037072
[ 36, 144, 1764, 2304, 5184, 7056, 8100, 30276, 41616, 69696, 93636, 138384, 166464, 207936, 224676, 298116, 352836, 360000, 412164, 562500, 725904, 777924, 876096, 944784, 956484, 1077444, 1299600, 1468944, 1617984, 1920996, 2160900, 2286144, 2304324, 2509056 ]
[ "nonn" ]
A151674
[ 1, 4, 0, 0, 0, 4, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 16, 0, 0, 0, 16, 64, 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, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A197870
[ 1, -1, 0, 1, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "sign" ]
A064108
[ 0, 1, 21, 421, 8421, 168421, 3368421, 67368421, 1347368421, 26947368421, 538947368421, 10778947368421, 215578947368421, 4311578947368421, 86231578947368420, 1724631578947368400, 34492631578947367000, 689852631578947400000, 1.3797052631578948e+22, 2.7594105263157895e+23 ]
[ "nonn", "easy" ]
A116803
[ 1, 2, 6, 21, 73, 228, 616, 1460, 3110, 6082, 11102, 19155, 31539, 49924, 76416, 113626, 164744, 233618, 324838, 443825, 596925, 791508, 1036072, 1340352, 1715434, 2173874, 2729822, 3399151, 4199591, 5150868, 6274848, 7595686, 9139980, 10936930, 13018502 ]
[ "nonn", "easy" ]
A221206
[ 2, 5, 12, 33, 93, 269, 788, 2330, 6947, 20840, 62834, 190240, 577990, 1761279, 5380796, 16475256, 50543777, 155330201, 478096270, 1473591670, 4547602623, 14050145290, 43453847676, 134519899690, 416794664987, 1292425391245, 4010608533780, 12454122695249 ]
[ "easy", "nonn" ]
A262873
[ 504, 756, 806, 868, 1008, 1148, 1176, 1209, 1472, 1475, 1512, 1638, 1708, 2016, 2184, 2208, 2418, 2548, 2730, 2772, 2924, 3024, 3388, 4416, 4433, 5544, 5544, 6314, 8096, 8316, 8316, 8415, 8866, 8866, 9268, 10736, 11088, 11088, 11976, 12596, 12628, 13277, 13299 ]
[ "nonn", "base", "changed" ]
A337851
[ 1, 4, 36, 1000, 104976, 45435424, 82653950016, 627485170000000, 19631688197463080000, 2.504194578379511e+24, 1.292628144912334e+30, 2.6871534751769945e+36, 2.243176511539978e+43 ]
[ "nonn" ]
A018218
[ 0, 1, 9, 58, 325, 1686, 8330, 39796, 185517, 848830, 3827230, 17053356, 75249954, 329353948, 1431575220, 6185613032, 26589395581, 113780713806, 484945025942, 2059546425340, 8719018250838, 36805967321684 ]
[ "nonn" ]
A304159
[ 2, 10, 34, 86, 178, 322, 530, 814, 1186, 1658, 2242, 2950, 3794, 4786, 5938, 7262, 8770, 10474, 12386, 14518, 16882, 19490, 22354, 25486, 28898, 32602, 36610, 40934, 45586, 50578, 55922, 61630, 67714, 74186, 81058, 88342, 96050, 104194, 112786, 121838, 131362, 141370, 151874, 162886, 174418, 186482, 199090 ]
[ "nonn", "easy" ]
A327099
[ 1, 2, 4, 7, 8, 16, 22, 23, 25, 28, 29, 30, 31, 32, 37, 39, 42, 44, 45, 46, 47, 49, 50, 51, 57, 58, 59, 64, 67, 73, 74, 75, 76, 77, 78, 79, 82, 83, 90, 91, 97, 99, 105, 107, 128, 256, 262, 263, 278, 279, 280, 281, 284, 285, 286, 287, 292, 293, 294, 295, 300 ]
[ "nonn" ]
A185222
[ 6, 42, 1806, 2786, 47058, 73178, 85082, 2143066830, 2214502422, 3138798830, 4404051298, 4428107218, 4428595298, 52495396602, 62994475914, 76852598955, 104971651322 ]
[ "nonn", "more" ]
A126578
[ 1, 3, 4, 105, 4, 85085, 40, 45045, 40040, 66927861, 2520, 167133741775, 27720, 644658718275, 16997552, 4512611027925, 240240, 190103424450275250000, 816816, 3873805630307496000, 28269478608800, 1257729100749187000, 15519504 ]
[ "frac", "nonn" ]
A006162
[ 1, 1, 2, 3, 4, 4, 5, 6, 7, 8, 8, 8, 9, 10, 11, 12, 13, 13, 14, 14, 15, 16, 17, 18, 19, 20, 20, 21, 22, 22, 22, 22, 23, 24, 25, 26, 27, 28, 29, 29, 30, 31, 32, 32, 33, 33, 34, 34, 35, 36, 37, 38, 39, 40, 41 ]
[ "nonn" ]
A202808
[ 1, 10, 121, 1177, 8232, 43483, 185051, 666610, 2105474, 5980085, 15560519, 37618385, 85418437, 183739050, 377000959, 742024924, 1407514167, 2583094972, 4601680965, 7980089529, 13504273038, 22347278077, 36230162235, 57638635054 ]
[ "nonn" ]
A372452
[ 2, 6, 10, 21, 41, 80, 162, 324, 646, 1294, 2586, 5173, 10345, 20691, 41381, 82760, 165522, 331044, 662089, 1324177, 2648353, 5296707, 10593413, 21186827, 42373652, 84747305, 169494609, 338989216, 677978435, 1355956869, 2711913736, 5423827472, 10847654948, 21695309896, 43390619791, 86781239586, 173562479173, 347124958344 ]
[ "nonn" ]
A268371
[ 1, 1, 2, 1, 6, 24, 1, 12, 181, 1051, 1, 30, 941, 21992, 238048, 1, 65, 4662, 228013, 9735647, 195284973, 1, 158, 23691, 2337694, 195616247, 15256715219, 577169894573 ]
[ "nonn", "tabl", "more" ]
A227520
[ 61, 73, -135, -141, 255, 321, 481, -767, -837, -1065, -1443, -1481, 1579, 1611, -1689, 1711, -1761, -1865, -1943, -2547, 2577, -2753, -2831, -2981, -3209, -3243, 3445, -3543, -3735, 3909, -4041, 4219, 4471, 4549, -4587, -4791, -4833, -4853, -4875, 4891, 5071, -5259, -5379, 5421, -5673, -5921, -5979, -6215, 6529, -6689, -6773, -6897, 6915, 6943 ]
[ "sign", "easy" ]
A296786
[ 2, 2, 1, 3, 2, 5, 7, 8, 7, 4, 11, 12, 11, 4, 15, 16, 15, 4, 19, 20, 19, 4, 23, 24, 23, 4, 27, 28, 27, 4, 31, 32, 31, 4, 35, 36, 35, 4, 39, 40, 39, 4, 43, 44, 43, 4, 47, 48, 47, 4, 51, 52, 51, 4, 55, 56, 55, 4, 59, 60, 59, 4, 63, 64, 63, 4, 67, 68, 67, 4, 71, 72, 71, 4, 75, 76, 75, 4, 79, 80, 79, 4 ]
[ "nonn", "easy" ]
A257593
[ 0, 0, 2, 4, 10, 18, 46, 100, 204, 420, 840, 1708, 3478, 7066, 14286, 28772 ]
[ "nonn", "hard", "more" ]
A032071
[ 4, 12, 144, 2880, 57600, 1451520, 40642560, 1316044800, 47377612800, 1900678348800, 83629847347200, 4017175658496000, 208893134241792000, 11700158011224883000, 702009480673493000000 ]
[ "nonn" ]
A348600
[ 1, 0, 1, 0, 1, 1, 0, 1, 4, 1, 0, 1, 13, 6, 1, 0, 1, 62, 39, 9, 1, 0, 1, 275, 488, 77, 11, 1, 0, 1, 1710, 8116, 1145, 130, 14, 1, 0, 1, 12061, 216432, 29958, 2415, 196, 16, 1, 0, 1, 93706, 9512947, 2026922, 78265, 4434, 276, 19, 1 ]
[ "nonn", "tabl", "more" ]
A137693
[ 7, 7887, 9101399, 10503006367, 12120460245927, 13987000620793200, 16140986595935105000, 1.862668454470849e+22, 2.1495177823607003e+25, 2.4805416581757937e+28, 2.8625429240170834e+31, 3.3033720537740564e+34 ]
[ "easy", "nonn" ]
A335976
[ 0, 11, 13, 17, 29, 31, 41, 43, 47, 53, 61, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 113, 121, 131, 137, 139, 141, 149, 151, 157, 167, 173, 191, 193, 199, 223, 229, 233, 239, 241, 243, 257, 263, 271, 281, 283, 293, 311, 313, 317, 321, 331, 339, 347, 349, 353, 373, 389, 397, 401, 419, 421, 431, 433, 443, 449, 457, 461, 479, 487, 509, 521, 541, 557, 573, 577, 587, 599, 613, 617, 619, 631, 641, 643, 653, 661, 673, 733, 739 ]
[ "nonn" ]