Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A020320
[ 93, 95, 121, 133, 403, 2977, 3053, 7099, 7471, 8743, 8911, 9073, 10991, 16511, 23731, 37901, 40501, 48133, 50881, 56033, 58081, 58829, 88831, 90751, 92287, 98671, 104653, 105851, 130759, 134413, 148417, 158701, 162401, 166117, 175951, 185041 ]
[ "nonn" ]
A151315
[ 1, 3, 10, 37, 138, 526, 2030, 7877, 30782, 120726, 475008, 1874068, 7407446, 29329716, 116285466, 461555291, 1833766116, 7291280658, 29011041208, 115498923044, 460056287616, 1833313414216, 7308504710010, 29145182257596, 116260990142440, 463889711899484, 1851384051250070, 7390399587090530 ]
[ "nonn", "walk" ]
A219092
[ 1, 4, 12, 33, 90, 244, 665, 1808, 4914, 13359, 36315, 98715, 268337, 729416, 1982759, 5389698, 14650719, 39824784, 108254987, 294267566, 799902177, 2174359553, 5910522063, 16066464720, 43673179097, 118716009132, 322703570371 ]
[ "nonn", "easy" ]
A286856
[ 1, 1, 111, 111, 10111, 11111, 1011111, 1111111, 100011111, 111111111, 10001111111, 11111111111, 1000111111111, 1111111111111, 100011111111111, 111111111111111, 10000000111111112, 11111111111111112, 1000000011111111200, 1001111111111111200 ]
[ "nonn", "easy" ]
A193225
[ 8, 343, 54769, 34412915, 85151401909, 832274517610173 ]
[ "nonn" ]
A246984
[ 1, 0, 1, 1, 4, 5, 14, 20, 52, 90, 201, 371, 792, 1485, 2977, 5557, 10620, 19354, 35467, 62833, 110908, 190860, 325794, 545070, 903160, 1471723, 2374077, 3775806, 5945620, 9247524, 14246994, 21711107, 32790785, 49043622, 72740759, 106941223 ]
[ "nonn" ]
A275157
[ 1, 2, 3, 4, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 23, 25, 27, 28, 34, 35, 36, 37, 44, 48, 50, 53, 55, 60, 62, 63, 66, 67, 68, 69, 83, 87, 91, 93, 95, 100, 103, 106, 108, 110, 111, 113, 115, 120, 123, 126, 127, 130, 131, 132, 133, 134, 156, 165, 176, 181, 185 ]
[ "nonn" ]
A332830
[ 3, 4, 3, 24, 13, 7, 33, 7, 749, 125, 1019, 3643, 123, 1319, 1199, 1424, 1481, 664, 659, 734, 6139, 933, 607, 549, 165, 8124, 63, 296, 1339, 13817, 1691, 6979, 3, 704, 2187, 156, 987, 2521, 1459, 1277, 6047, 25565, 3179, 1954, 7127, 1115, 6139, 18749, 1149 ]
[ "nonn", "base" ]
A036253
[ 3, 4, 19, 23, 134, 1229, 2592, 16781, 86497, 276272, 1467857, 12019128, 109640009, 779499191, 7125132728, 22154897375, 51434927478, 176459679809, 1463112365950, 6028909143609, 37636567227604, 81302043598817, 525448828820506, 2183097358880841 ]
[ "frac", "nonn", "base" ]
A175994
[ 2, 6, 6, 1, 8, 2, 5, 7, 0, 5, 3, 8, 0, 4, 1, 7, 8, 2, 8, 4, 9, 7, 0, 3, 9, 3, 3, 7, 6, 5, 1, 3, 9, 5, 8, 3, 0, 2, 1, 4, 9, 7, 0, 8, 2, 0, 9, 8, 3, 3, 0, 3, 5, 4, 8, 2, 1, 4, 6, 7, 8, 4, 8, 5, 0, 9, 1, 4, 7, 0, 2, 1, 0, 6, 5, 7, 1, 7, 5, 1, 6, 6, 2, 4, 6, 8, 2, 8, 2, 9, 3, 5, 6, 2, 4, 3, 5, 1, 4, 0 ]
[ "cons", "nonn" ]
A002433
[ 1, 0, 0, 3120, 102180, 1482624, 13191360, 83859360, 416587860, 1712638720, 6061945344, 19019791440, 54048571200, 141266958720, 343675612800, 786321725280, 1706284712340, 3532676509440, 7012626150400, 13413721342320, 24829712546184, 44601384921600 ]
[ "nonn" ]
A257904
[ 3, 1, 2, -1, 4, -2, 5, -4, 6, -3, 7, -8, 9, -6, 8, -5, 10, -11, 12, -10, 11, 13, -21, 14, -12, 15, -14, 16, -15, 18, -17, 19, -13, 17, -19, 20, -16, 21, -24, 22, -20, 23, -9, 24, -35, 25, -22, 26, -28, 27, -23, 28, -25, 29, -27, 30, -18, -7, 31, -34, 32, -26 ]
[ "easy", "sign" ]
A135474
[ 1, 3, 9, 36, 285, 1908, 21630, 197328, 2113911, 23814810, 294557142, 3893052636, 55457566905 ]
[ "nonn", "more", "hard" ]
A360975
[ 1, 2, 24, 476, 12380, 386220, 13821276, 552876504, 24318017424, 1162989779660, 59987353249560, 3316841570302680, 195648523068917820, 12263065689662763000, 814027053454694400000, 5.705990865753626e+22, 4.2126067337121736e+24, 3.2679975017606926e+26 ]
[ "nonn" ]
A012288
[ 1, 0, 0, 0, 12, -60, 210, -1260, 18480, -235872, 2421960, -26091120, 365320296, -5967877344, 97738612608, -1617354429600, 29014419932160, -574177721782144, 12059384791998912, -262395430866467700 ]
[ "sign" ]
A112216
[ 1, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 5, 5, 5, 6, 7, 8, 8, 10, 12, 12, 13, 15, 17, 18, 19, 22, 25, 27, 28, 32, 36, 38, 41, 46, 51, 54, 58, 64, 71, 76, 81, 89, 99, 105, 112, 123, 134, 143, 153, 167, 182, 194, 207, 225, 244, 260, 277, 301, 325, 346 ]
[ "nonn" ]
A101736
[ 0, 1, 6, 13, 24, 115, 426, 594, 636, 775, 1705, 16627, 55557 ]
[ "nonn", "hard" ]
A210896
[ 1, 2, 20, 400, 16716, 1444348, 258951340, 96266852004, 74214689922928, 118642250445743920, 393305989512539540000, 2.703723885515478e+24, 3.8542035415959857e+28 ]
[ "nonn" ]
A307110
[ 0, 1, 6, 3, 8, 2, 11, 4, 9, 5, 15, 7, 19, 14, 10, 16, 17, 18, 12, 20, 13, 26, 27, 28, 25, 21, 22, 23, 24, 38, 31, 40, 33, 42, 35, 44, 29, 30, 51, 32, 53, 34, 55, 36, 49, 57, 58, 59, 60, 62, 39, 64, 41, 66, 43, 68, 37, 46, 47, 48, 45, 50, 63, 52, 65, 54, 67 ]
[ "nonn" ]
A304881
[ 1, 3, 2, 5, 7, 9, 4, 11, 13, 15, 6, 10, 17, 19, 21, 14, 23, 25, 27, 8, 29, 31, 33, 18, 12, 22, 35, 37, 39, 26, 41, 43, 45, 20, 47, 49, 51, 30, 34, 53, 55, 57, 38, 59, 61, 63, 28, 65, 67, 69, 42, 46, 71, 73, 75, 50, 77, 79, 81, 16, 83, 85, 87, 54, 24, 58, 89 ]
[ "nonn" ]
A344471
[ 1, 6, 12, 18, 24, 36, 48, 54, 72, 96, 108, 144, 192, 216, 288, 384, 432, 576, 648, 768, 864, 960, 1152, 1296, 1536, 1728, 1920, 2304, 2592, 3072, 3456, 3840, 4608, 5184, 6144, 6912, 7680, 9216, 10368, 12288, 13824, 15360, 18432, 20736, 23040, 24576, 27648 ]
[ "nonn" ]
A271019
[ 4, 4, 32, -20, 80, -52, 136, -124, 248, -212, 352, -316, 480, -388, 536, -524, 776, -740, 1008, -972, 1264, -1156, 1424, -1388, 1744, -1636, 1976, -1868, 2216, -1924, 2104, -2092, 2600, -2564, 3088, -3052, 3600, -3492, 4016, -3980, 4592, -4484, 5080, -4972 ]
[ "sign", "easy" ]
A353885
[ 1, 0, 0, 0, 0, 0, 0, 0, 70, 1260, 13650, 115500, 841995, 5555550, 34139105, 198948750, 1175994820, 10315705400, 192609389700, 4563951046200, 98992258506345, 1898260633492650, 32787422848455276, 520556451785466240, 7722233521138093000, 108688302800107230000 ]
[ "nonn" ]
A339118
[ 15, 275, 5034, 80626, 1222363, 18438929, 279285399, 4237530095, 64300829449, 975566486675, 14800469958185, 224540402345213, 3406558215857382, 51681816786790690, 784078741397570700, 11895467318139343000, 180469294422664220000, 2.7379476228420775e+21 ]
[ "nonn" ]
A252691
[ 394, 519, 407, 1480, 2048, 6246, 12740, 35128, 84680, 225000, 573968, 1508116, 3915680, 10257360, 26778908, 70099888, 183333200, 479875356, 1255786736, 3287174320, 8604199916, 22523755824, 58961898416, 154354406332, 404082593744 ]
[ "nonn" ]
A191470
[ 1, 0, 2, -3, 28, -120, 1122, -8127, 88096, -885216, 11291624, -143432883, 2131731944, -32515910232, 555050034224, -9845456006487, 190381188822016, -3842126730651264, 83143449079579580, -1878918839085536000, 45029979676319090000 ]
[ "sign" ]
A174654
[ 1, 9, 59, 335, 1732, 8404, 38969, 174637, 762063, 3255119, 13662512, 56511312, 230859729, 933104857, 3736739227, 14843364031, 58540883044, 229411923796, 893904838857, 3465221557357, 13370453635199 ]
[ "nonn", "easy" ]
A075133
[ 5, 9, 15, 39, 72, 128, 228, 309, 417, 562, 567, 657, 740, 762, 779, 789, 927, 959, 967, 981, 1214, 1315, 1364, 1632, 1650, 1667, 1785, 1825, 2295, 2425, 2442, 2607, 2709, 2721, 2840, 3085, 3114, 3194, 3401, 3812, 3911, 4428, 4472, 4479, 4645, 4753, 4780 ]
[ "nonn" ]
A049081
[ 31, 1787, 8527, 19577, 27457, 42043, 72727, 96797, 112129, 137077, 173867, 239489, 250751, 285191, 352007, 401519, 443419, 464939, 490643, 527623, 683873, 718807, 755387, 839483, 864013, 985151, 1021271, 1080923, 1159901, 1278779 ]
[ "nonn", "easy" ]
A338210
[ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 4, 2, 0, 0, 0, 0, 0, 0, 0, 0, 9, 8, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 20, 28, 12, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 54, 80, 60, 16, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 22, 136, 252, 228, 100, 20, 2 ]
[ "nonn", "tabf" ]
A181269
[ 16, 188, 6236, 513260, 120854852, 79509209528 ]
[ "nonn" ]
A078019
[ 1, 0, -2, -1, 3, 3, -4, -7, 4, 14, -1, -25, -9, 40, 33, -56, -82, 63, 171, -37, -316, -71, 524, 350, -769, -945, 943, 2064, -767, -3952, -354, 6783, 3539, -10381, -10676, 13625, 24596, -13330, -48897, 2359, 86823, 33208, -138079, -117672, 191694, 288959, -212101, -598325, 114836, 1099385, 271388 ]
[ "sign", "easy" ]
A335935
[ 60, 72, 90, 96, 150, 294, 360, 420, 480, 486, 504, 540, 600, 630, 660, 672, 726, 756, 780, 792, 864, 924, 936, 960, 990, 1014, 1020, 1050, 1056, 1092, 1120, 1140, 1152, 1170, 1176, 1188, 1224, 1248, 1344, 1350, 1368, 1380, 1386, 1400, 1428, 1440, 1470, 1500, 1530 ]
[ "nonn" ]
A091136
[ 1, 2, 3, 8, 5, 32, 7, 128, 25, 512, 11, 2048, 13, 8192, 2187, 32768, 17, 131072, 19, 524288, 121, 2097152, 23, 8388608, 169, 33554432, 1594323, 134217728, 29, 536870912, 31, 2147483648, 289, 8589934592, 129140163, 34359738368, 37 ]
[ "nonn" ]
A126854
[ 1, 1, 2, 3, 3, 3, 6, 3, 6, 3, 10, 4, 7, 3, 12, 2, 4, 8, 7, 13, 7, 8, 4, 5, 16, 4, 9, 12, 15, 8, 11, 4, 23, 5, 7, 8, 10, 13, 5, 17, 8, 4, 26, 4, 13, 17, 8, 13, 13, 9, 13, 29, 4, 12, 12, 7, 19, 24, 10, 4, 30, 7, 4, 9, 21, 23, 14, 16, 8, 4, 6, 38, 11, 13, 21, 15, 30, 21, 4, 32, 12, 8, 33, 15, 7, 17 ]
[ "nonn" ]
A331919
[ 1, 1, 0, 0, 1, 2, 0, 0, 0, 0, 1, 2, 0, 0, 2, 6, 0, 0, 0, 0, 1, 2, 0, 0, 2, 6, 0, 0, 0, 0, 2, 6, 0, 0, 6, 25, 2, 0, 0, 2, 6, 0, 0, 0, 0, 2, 6, 0, 0, 6, 24, 0, 0, 0, 0, 2, 7, 2, 0, 6, 26, 6, 0, 0, 0, 6, 26, 6, 0, 24, 126, 24, 0, 0, 0, 0, 2, 6, 0, 0, 6, 24, 0, 0, 1, 2, 6, 24, 2, 6, 24 ]
[ "nonn", "look" ]
A218599
[ 0, 0, 0, 1, 0, 2, 1, 0, 4, 3, 2, 1, 0, 8, 7, 6, 5, 4, 3, 2, 1, 0, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 ]
[ "nonn" ]
A201664
[ 1, 0, 3, 9, 2, 4, 5, 6, 5, 0, 7, 9, 7, 2, 4, 7, 7, 9, 3, 2, 3, 1, 9, 2, 9, 3, 2, 7, 2, 4, 2, 4, 8, 3, 7, 3, 0, 0, 0, 0, 8, 0, 9, 3, 7, 9, 8, 9, 5, 8, 9, 7, 9, 8, 3, 3, 6, 4, 4, 7, 1, 6, 0, 5, 2, 3, 5, 7, 4, 2, 6, 8, 0, 3, 4, 7, 4, 2, 1, 1, 9, 0, 7, 0, 0, 8, 4, 2, 0, 0, 0, 4, 3, 2, 9, 1, 5, 7, 7 ]
[ "nonn", "cons" ]
A332294
[ 1, 1, 1, 2, 1, 3, 1, 4, 3, 4, 1, 6, 1, 5, 4, 8, 1, 9, 1, 8, 5, 6, 1, 12, 4, 7, 9, 10, 1, 12, 1, 16, 6, 8, 5, 18, 1, 9, 7, 16, 1, 15, 1, 12, 12, 10, 1, 24, 5, 16, 8, 14, 1, 27, 6, 20, 9, 11, 1, 24, 1, 12, 15, 32, 7, 18, 1, 16, 10, 20, 1, 36, 1, 13, 16, 18, 6 ]
[ "nonn" ]
A186835
[ 74088, 1075071, 15478835, 209888936, 1919555447, 17494747887, 156721188699, 1078797163411, 7406777253003, 50517478604280, 286738174613422, 1624495522791359, 9174202859579048, 45367559809783120, 224059718533213540 ]
[ "nonn" ]
A354267
[ 1, 0, 1, 1, 1, 1, 1, 2, 2, 1, 2, 3, 4, 3, 1, 3, 5, 7, 7, 4, 1, 5, 8, 12, 14, 11, 5, 1, 8, 13, 20, 26, 25, 16, 6, 1, 13, 21, 33, 46, 51, 41, 22, 7, 1, 21, 34, 54, 79, 97, 92, 63, 29, 8, 1, 34, 55, 88, 133, 176, 189, 155, 92, 37, 9, 1, 55, 89, 143, 221, 309, 365, 344, 247, 129, 46, 10, 1 ]
[ "nonn", "tabl" ]
A271672
[ 1, 0, 144, 4032, 219024, 12942720, 887135040, 67057079040, 5484251057040, 477369708721920, 43704143706754940, 4170816570389737000, 412062922497680800000, 4.192036621422693e+22, 4.3729051610285324e+24 ]
[ "nonn", "walk" ]
A186966
[ 0, 24, 296, 1304, 3808, 8832, 17672, 31888, 53312, 84040, 126440, 183144, 257056, 351344, 469448, 615072, 792192, 1005048, 1258152, 1556280 ]
[ "nonn" ]
A113961
[ 1, 2, 3, 4, 6, 8, 9, 12, 14, 16, 18, 20, 22, 23, 25, 27, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 52, 54, 60, 64, 66, 68, 70, 72, 74, 76, 78, 80, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 123, 125, 127, 129, 151, 157, 159, 167, 169 ]
[ "nonn" ]
A155138
[ 0, 27, 48, 57, 48, 15, 48, 147, 288, 477, 720, 1023, 1392, 1833, 2352, 2955, 3648, 4437, 5328, 6327, 7440, 8673, 10032, 11523, 13152, 14925, 16848, 18927, 21168, 23577, 26160, 28923, 31872, 35013, 38352, 41895, 45648, 49617, 53808, 58227, 62880 ]
[ "nonn" ]
A118131
[ 0, 93, 94, 98, 102, 104, 110, 107, 111, 116, 119, 118, 121, 122, 123, 123, 124, 125, 125, 125, 124, 126, 126, 126, 125, 130, 131, 132, 134, 134, 136, 137, 139, 139, 140, 141, 142, 143, 143, 145, 146, 146, 147, 147, 148, 148, 148, 149, 150, 150 ]
[ "nonn", "look", "fini", "full" ]
A126528
[ 1, 7, 47, 317, 2137, 14407, 97127, 654797, 4414417, 29760487, 200635007, 1352612477, 9118849897, 61476161767, 414451220087, 2794088129357, 18836784876577, 126991149906247, 856130823820367, 5771740692453437, 38911098273822456, 262325293105201920 ]
[ "nonn", "base" ]
A282932
[ 1, 57, 1710, 35815, 586815, 7997157, 94175267, 983458849, 9279004863, 80218101555, 642408637594, 4807304399931, 33855173217278, 225702273908048, 1431470152072364, 8673471170235715, 50389686887219910, 281575909008910200, 1517580284619183900 ]
[ "nonn" ]
A139940
[ 23, 83, 107, 227, 263, 383, 467, 503, 563, 743, 827, 983, 1103, 1187, 1307, 1367, 1487, 1523, 1583, 1607, 1667, 1847, 1907, 2087, 2207, 2687, 2843, 2903, 2963, 3023, 3323, 3467, 3863, 3947, 4007, 4127, 4283, 4523, 4643, 4703, 4943, 4967 ]
[ "nonn", "easy" ]
A348599
[ 1, 2, 3, 4, 3, 2, 6, 4, 3, 8, 9, 6, 4, 8, 3, 12, 9, 4, 8, 6, 9, 6, 16, 9, 8, 18, 16, 3, 12, 8, 12, 9, 16, 6, 9, 8, 6, 24, 16, 9, 18, 8, 27, 16, 12, 27, 2, 18, 12, 27, 4, 32, 24, 9, 18, 16, 27, 8, 36, 36, 1, 32, 6, 27, 12, 24, 16, 32, 9, 24, 18, 27, 16, 32, 12, 27, 18 ]
[ "tabf", "nonn" ]
A289489
[ 1, 0, 0, 1, 4, 15, 104, 644, 3696, 23388, 151842, 979110, 6445659, 43148963, 290832906, 1977914328, 13574296048, 93787977144, 651970844448, 4558718881927, 32038664402074, 226200869873851, 1603811085640698, 11415385190127412, 81538284501095230 ]
[ "nonn" ]
A296359
[ 62, 1532, 50830, 1855110, 71292624, 2833906726, 115381823442, 4782782748036, 201037496481198, 8545008347772070, 366526239773992450, 15841416797530327000, 689082764185943800000, 3.013965490786775e+22, 1.3245724001536866e+24, 5.845539203125491e+25 ]
[ "nonn" ]
A207949
[ 2, 4, 4, 6, 16, 6, 9, 36, 36, 10, 12, 81, 102, 100, 16, 16, 144, 289, 370, 256, 26, 20, 256, 612, 1369, 1232, 676, 42, 25, 400, 1296, 3478, 5929, 4238, 1764, 68, 30, 625, 2340, 8836, 18172, 26569, 14406, 4624, 110, 36, 900, 4225, 18330, 55696, 98126, 117649 ]
[ "nonn", "tabl" ]
A388767
[ 9, 5, 1, 5, 7, 5, 9, 8, 0, 3, 0, 1, 4, 7, 1, 7, 0, 0, 0, 8, 1, 7, 3, 3, 9, 6, 6, 3, 5, 4, 6, 1, 1, 3, 7, 4, 9, 4, 3, 2, 5, 6, 5, 1, 9, 6, 1, 6, 8, 7, 4, 5, 2, 3, 6, 3, 1, 6, 5, 5, 9, 3, 0, 9, 8, 3, 4, 8, 1, 9, 0, 7, 4, 3, 6, 1, 1, 5, 0, 8, 8, 9, 7, 9, 0, 0, 7 ]
[ "nonn", "cons" ]
A245929
[ 1, -26, 1926, -179780, 18601030, -2040558156, 232474675356, -27194647204296, 3243950895157830, -392816395353590800, 48137032861960010000, -5.956254538539776e+21, 7.429349766983386e+23, -9.329579861293774e+25, 1.1783597764983599e+28 ]
[ "sign" ]
A140695
[ 6, 10, 14, 20, 22, 26, 28, 30, 32, 34, 38, 42, 44, 45, 46, 48, 50, 52, 54, 58, 62, 63, 66, 68, 70, 74, 75, 76, 78, 82, 86, 90, 92, 94, 98, 99, 102, 106, 110, 112, 114, 116, 117, 118, 120, 122, 124, 126, 130, 134, 138, 140, 142, 144, 146, 147, 148, 150, 153, 154, 158 ]
[ "nonn" ]
A132371
[ 1, 1, 3, 15, 87, 567, 4167, 34407, 316647, 3219687, 35878887, 435046887, 5704064487, 80428314087, 1213746099687, 19521187251687, 333363035571687, 6024361885107687, 114864714882483680, 2304476522241459700, 48529614677597620000, 1.0703484581117864e+21 ]
[ "nonn" ]
A213267
[ 1, 1, 1, 1, 2, 3, 4, 5, 7, 10, 12, 15, 20, 26, 32, 39, 50, 63, 76, 92, 114, 140, 168, 201, 244, 295, 350, 415, 496, 591, 696, 818, 967, 1140, 1332, 1554, 1820, 2126, 2468, 2861, 3324, 3855, 4448, 5126, 5916, 6816, 7824, 8970, 10292, 11793, 13471, 15372, 17548 ]
[ "nonn" ]
A119960
[ 1, 2, 3, 6, 7, 8, 10, 15, 16, 24, 25, 29, 34, 35, 39, 40, 43, 47, 48, 50, 53, 57, 58, 60, 63, 67, 68, 70, 71, 72, 73, 76, 77, 78, 84, 85, 89, 94, 95, 99 ]
[ "easy", "nonn", "word" ]
A208998
[ 9, 155, 1111, 4935, 16307, 44209, 104001, 219929, 428031, 779487, 1344353, 2215747, 3514415, 5393753, 8045199, 11704103, 16655941, 23243017, 31871521, 43019059, 57242537, 75186543, 97592047, 125305621, 159288983, 200629037, 250548251 ]
[ "nonn" ]
A267584
[ 1, 2, 4, 2, 8, 4, 4, 2, 16, 8, 8, 4, 8, 4, 4, 2, 32, 16, 16, 8, 16, 8, 8, 4, 16, 8, 8, 4, 8, 4, 4, 2, 64, 32, 32, 16, 32, 16, 16, 8, 32, 16, 16, 8, 16, 8, 8, 4, 32, 16, 16, 8, 16, 8, 8, 4, 16, 8, 8, 4, 8, 4, 4, 2, 128, 64, 64, 32, 64, 32, 32, 16, 64 ]
[ "nonn" ]
A214049
[ 1, 2, 2, 3, 5, 9, 18, 35, 72, 154, 342, 783, 1840, 4435, 10936, 27556, 70853, 185687, 495487, 1344957, 3710633, 10397339, 29568649, 85290742, 249391642, 738821757, 2216465269, 6730493990, 20678209930, 64252006060, 201840008712, 640802084316, 2055394684174 ]
[ "nonn", "easy" ]
A258890
[ 10201, 10680, 8100, 7225, 9604, 13221, 17424, 23393, 30276, 39565, 50176, 63945, 79524, 99125, 121104, 148081, 178084, 214173, 254016, 301145, 352836, 413125, 478864, 554625, 636804, 730541, 831744, 946153, 1069156, 1207125, 1354896 ]
[ "nonn" ]
A214858
[ 5, 8, 12, 15, 19, 22, 26, 29, 32, 36, 39, 43, 46, 49, 53, 56, 60, 63, 67, 70, 73, 77, 80, 84, 87, 90, 94, 97, 101, 104, 108, 111, 114, 118, 121, 125, 128, 131, 135, 138, 142, 145, 149, 152, 155, 159, 162, 166, 169, 172, 176, 179, 183, 186, 189, 193, 196, 200 ]
[ "nonn", "easy" ]
A060010
[ 1, 12, 312, 10464, 398208, 16323072, 702465024 ]
[ "hard", "nonn", "more" ]
A045628
[ 1, 1, 1, 2, 6, 15, 46, 132, 432, 1384, 4735, 16158, 56766, 200473, 718012, 2587000, 9398080, 34324173, 126067124, 465093570, 1723171550, 6407924165, 23910560070, 89494164972, 335913861648, 1264107416450, 4768452532025 ]
[ "nonn" ]
A353664
[ 1, 0, 0, 6, 36, 150, 900, 9366, 101556, 1031190, 10995300, 134640726, 1844184276, 26656678230, 400614423300, 6347263038486, 106960986110196, 1905688502565270, 35546025523227300, 691014283378745100, 13999772792477880000, 295570215436360200000 ]
[ "nonn" ]
A157984
[ 3, 66, 1518, 36432, 910800, 23680800, 639381600, 17902684800, 519177859200, 15575335776000, 482835409056000, 15450733089792000, 509874191963136000, 17335722526746624000, 606750288436131800000, 2.1843010383700744e+22 ]
[ "nonn" ]
A029454
[ 1, 3, 9, 27, 33, 47, 51, 64, 81, 97, 135, 153, 192, 243, 405, 576, 729, 933, 1152, 2187, 3456, 6561, 9099, 10368, 19683, 27008, 31104, 59049, 72981, 91584, 108864, 111537, 126021, 137781, 139968, 177147, 260253, 326592, 413343, 419904, 438543, 531441, 553797, 626624 ]
[ "nonn", "base" ]
A357624
[ 0, 1, 2, 0, 3, -1, 1, -1, 4, -2, 0, -2, 2, -2, 0, 0, 5, -3, -1, -3, 1, -3, -1, 1, 3, -3, -1, -1, 1, -1, 1, 1, 6, -4, -2, -4, 0, -4, -2, 2, 2, -4, -2, 0, 0, 0, 2, 2, 4, -4, -2, -2, 0, -2, 0, 2, 2, -2, 0, 0, 2, 0, 2, 0, 7, -5, -3, -5, -1, -5, -3, 3, 1, -5, -3, 1 ]
[ "sign" ]
A361289
[ 1, 2, 2, 2, 4, 2, 2, 4, 2, 2, 4, 2, 4, 6, 2, 2, 4, 6, 2, 4, 2, 2, 4, 2, 4, 6, 2, 4, 6, 2, 2, 4, 6, 2, 4, 2, 2, 4, 6, 2, 4, 2, 4, 6, 2, 4, 6, 8, 2, 4, 2, 2, 4, 2, 2, 4, 2, 4, 6, 8, 16, 12, 18, 2, 4, 2, 4, 6, 2, 2, 4, 6, 8, 12, 2, 2, 4, 6, 2, 4, 6, 2, 4, 2, 4, 6, 2, 4, 6, 2, 2, 4, 6, 8, 12 ]
[ "nonn" ]
A067289
[ 5, 7, 11, 25, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 81, 207, 212, 236, 242, 243, 244, 245, 261, 268, 275, 279, 284, 292, 316, 325, 332, 333, 338, 356, 363, 369, 387, 388, 404, 412, 423, 425, 428, 436, 729, 1065, 1066, 1070, 1074, 1085, 1086, 1090 ]
[ "nonn" ]
A250985
[ 3, 4, 6, 12, 14, 22, 25, 41, 44, 47, 76, 116, 151, 179, 375, 615, 617, 670, 744, 750, 1118, 1160, 1358, 1471, 1541, 2693, 2906, 3658, 3878, 4132, 4281, 5719, 5907, 7136, 12346, 12792, 14816, 14991, 19215, 23004, 24892, 26778, 28483, 41558, 44031, 48858, 55934 ]
[ "nonn" ]
A306396
[ 2, 2, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 2, 3, 2, 3, 3, 2, 2, 2, 3, 3, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 2, 2, 3, 4, 3, 2, 4, 2, 2, 2, 2, 4, 2, 3, 3, 2, 4, 2, 2, 2, 4, 3, 2, 2, 3, 2, 4, 3, 3, 2, 2, 3, 2, 3, 3, 3, 2, 4, 5, 2, 2, 4, 4, 2, 2, 5, 6, 2, 2, 2, 2, 3, 2, 2, 3, 3, 3, 3, 2, 3, 2, 2, 5, 3, 4, 2, 3, 2, 3, 3, 4, 3, 4, 2, 4, 2, 4, 4, 4, 3, 2, 4, 2, 3, 5, 2, 5, 4, 2 ]
[ "nonn" ]
A108855
[ 0, 1, 3, 4, 7, 10, 13, 15, 18, 19, 21, 22, 24, 27, 33, 34, 36, 42, 43, 45, 46, 48, 49, 52, 55, 60, 63, 66, 67, 70, 73, 75, 76, 78, 81, 82, 84, 85, 87, 96, 97, 99, 106, 109, 111, 115, 117, 118, 120, 124, 130, 132, 136, 144, 147, 148, 150, 151, 153, 154, 157, 162, 165, 166 ]
[ "nonn", "easy" ]
A086568
[ 1, 2, 2, 6, 2, 6, 2, 30, 6, 6, 2, 30, 2, 6, 6, 210, 2, 30, 2, 30, 6, 6, 2, 210, 6, 6, 30, 30, 2, 30, 2, 2310, 6, 6, 6, 210, 2, 6, 6, 210, 2, 30, 2, 30, 30, 6, 2, 2310, 6, 30, 6, 30, 2, 210, 6, 210, 6, 6, 2, 210, 2, 6, 30, 30030, 6, 30, 2, 30, 6, 30, 2, 2310, 2, 6, 30, 30, 6, 30, 2 ]
[ "nonn" ]
A202821
[ 1, 5, 14, 26, 43, 64, 89, 119, 153, 191, 233, 279, 330, 385, 444, 507, 575, 646, 722, 802, 886, 975, 1067, 1164, 1266, 1371, 1481, 1595, 1713, 1835, 1961, 2092, 2227, 2366, 2509, 2657, 2809, 2965, 3125, 3289, 3458, 3630, 3807, 3989, 4174, 4364, 4558, 4756 ]
[ "nonn" ]
A289830
[ -1, 2, 18, 124, 900, 7188, 63504, 618336, 6596640, 76635360, 963895680, 13056819840, 189581333760, 2938083321600, 48416639846400, 845487698227200, 15598004134809600, 303161985274982400, 6191998554470400000, 132599321499875330000, 2.970952207377961e+21 ]
[ "sign" ]
A064478
[ 1, 2, 3, 4, 9, 6, 12, 8, 27, 16, 18, 12, 36, 14, 24, 24, 81, 18, 48, 20, 54, 32, 36, 24, 108, 36, 42, 64, 72, 30, 72, 32, 243, 48, 54, 48, 144, 38, 60, 56, 162, 42, 96, 44, 108, 96, 72, 48, 324, 64, 108, 72, 126, 54, 192, 72, 216, 80, 90, 60, 216, 62, 96, 128, 729, 84, 144 ]
[ "nonn", "nice", "easy" ]
A069708
[ 1, 3, 6, 10, 55, 66, 120, 153, 171, 190, 300, 351, 595, 630, 666, 820, 1081, 1431, 1711, 1891, 3003, 3403, 5050, 5460, 5565, 5995, 6216, 6786, 8128, 8778, 10011, 10731, 11781, 12561, 13041, 13861, 15051, 15931, 16471, 17020, 17391, 17578, 18721 ]
[ "nonn", "base" ]
A328644
[ 1, 1, 6, 7, 9, 27, 13, 84, 54, 108, 11, 39, 126, 54, 81, 133, 990, 1755, 3780, 1215, 1458, 463, 2793, 10395, 12285, 19845, 5103, 5103, 1261, 11112, 33516, 83160, 73710, 95256, 20412, 17496, 4039, 34047, 150012, 301644, 561330, 398034, 428652, 78732, 59049 ]
[ "nonn", "tabl" ]
A165426
[ 1, 8, 8, 64, 4096, 16777216, 281474976710656, 7.922816251426434e+28, 6.277101735386681e+57 ]
[ "nonn" ]
A218982
[ 3, 6, 14, 31, 70, 156, 349, 780, 1745, 3901, 8723, 19505, 43615, 97526, 218075, 487630, 1090374, 2438150, 5451870, 12190751, 27259348, 60953755, 136296740, 304768775, 681483699, 1523843876, 3407418494, 7619219380, 17037092470 ]
[ "nonn", "easy" ]
A234360
[ 0, 1, 2, 3, 3, 4, 6, 4, 4, 7, 6, 5, 9, 5, 5, 9, 8, 9, 6, 5, 9, 7, 8, 9, 6, 8, 7, 4, 7, 8, 12, 8, 6, 7, 8, 7, 11, 5, 6, 11, 7, 10, 5, 9, 4, 10, 9, 7, 8, 9, 8, 8, 8, 9, 7, 7, 5, 10, 7, 3, 12, 5, 7, 7, 9, 8, 8, 5, 14, 6, 9, 4, 10, 2, 7, 7, 8, 2, 7, 9, 10, 7, 8, 5, 7 ]
[ "nonn" ]
A208598
[ 6, 23, 60, 125, 226, 371, 568, 825, 1150, 1551, 2036, 2613, 3290, 4075, 4976, 6001, 7158, 8455, 9900, 11501, 13266, 15203, 17320, 19625, 22126, 24831, 27748, 30885, 34250, 37851, 41696, 45793, 50150, 54775, 59676, 64861, 70338, 76115, 82200, 88601 ]
[ "nonn" ]
A267917
[ 88, 45938, 12017350, 3774659262, 922017784240, 235078226435316, 54141843502625780, 12518028308236272000, 2.7665740726156615e+21 ]
[ "nonn" ]
A234584
[ 0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 0, 1, 0, 1, 1, 0, 2, 1, 0, 3, 1, 0, 4, 1, 0, 5, 1, 0, 6, 1, 0, 7, 1, 0, 8, 1, 0, 0, 2, 0, 1, 2, 0, 2, 2, 0, 3, 2, 0, 4, 2, 0, 5, 2, 0, 6, 2, 0, 7, 2, 0, 8, 2, 0, 0, 3, 0, 1, 3, 0, 2, 3, 0, 3, 3, 0, 4, 3, 0, 5, 3, 0, 6, 3, 0, 7, 3, 0, 8, 3, 0, 0, 4, 0, 1, 4 ]
[ "nonn", "base" ]
A085053
[ 1, 2, 1, 3, 1, 5, 2, 2, 3, 6, 3, 6, 4, 6, 5, 6, 3, 10, 2, 7, 6, 9, 4, 10, 5, 10, 7, 11, 4, 17, 3, 10, 9, 12, 9, 16, 4, 9, 11, 14, 5, 21, 7, 11, 10, 16, 8, 19, 6, 18, 13, 17, 5, 24, 10, 19, 9, 16, 8, 27, 7, 15, 13, 16, 13, 30, 9, 18, 13, 27, 9, 26, 10, 20, 18, 17, 11, 29, 11, 23, 18, 22, 11 ]
[ "nonn" ]
A389989
[ 0, 0, 0, 12, 56, 200, 652, 2044, 6288, 19152, 58004, 175076, 527320, 1586104, 4766556, 14316108, 42981152, 129009056, 387158308, 1161737140, 3485735784, 10458256008, 31376865260, 94134790172, 282412759216, 847255054960, 2541798719412, 7625463267204, 22876524019448, 68629840493912 ]
[ "nonn", "easy" ]
A301619
[ 257, 449, 641, 1217, 1409, 1601, 2753, 3137, 3329, 4289, 4481, 4673, 5441, 6977, 7937, 8513, 9281, 9473, 9857, 10433, 11393, 11777, 11969, 12161, 13121, 13313, 13697, 14081, 14657, 15233, 15809, 16001, 16193, 17729, 17921, 19073, 19457, 19841, 21377, 21569 ]
[ "nonn", "easy" ]
A029377
[ 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 0, 1, 1, 3, 1, 3, 2, 4, 1, 3, 2, 4, 1, 4, 3, 6, 3, 6, 4, 7, 3, 6, 4, 8, 4, 8, 6, 11, 6, 10, 7, 12, 6, 11, 8, 14, 8, 14, 11, 17, 10, 16, 12, 19, 11, 18, 14, 22, 14, 22, 17, 25, 16, 25 ]
[ "nonn" ]
A118985
[ 1, 2, 3, 5, 7, 11, 19, 40, 91, 214, 577 ]
[ "nonn", "hard", "more" ]
A327261
[ 2, 3, 4, 5, 6, 7, 9, 11, 12, 14, 15, 17, 19, 21, 22, 25, 27, 28, 29, 31, 35, 37, 38, 39, 44, 45, 46, 47, 49, 51, 55, 57, 61, 62, 65, 67, 69, 71, 75, 76, 79, 81, 86, 87, 89, 91, 92, 94, 97, 99, 101, 105, 107, 109, 115, 117, 118, 119, 121 ]
[ "nonn" ]
A303168
[ 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 6, 6, 6, 6, 6, 6, 6, 6, 10, 10, 10, 13, 13, 13, 13, 13, 18, 18, 18, 24, 24, 24, 24, 24, 30, 30, 30, 39, 39, 39, 39, 39, 46, 46, 46, 58, 58, 58, 64, 64, 72, 72, 72, 87, 87, 87, 99, 99, 112, 112, 112, 130, 130, 130, 148, 148, 166, 166, 166, 187 ]
[ "nonn" ]
A171003
[ 1, 2, 4, 9, 18, 40, 100, 225, 525, 1225, 3136, 7056, 17640, 44100, 108900, 261360, 637065, 1656369, 4008004, 10020010, 25050025, 64128064, 155739584, 393853824, 1012766976, 2538950544, 6347376360, 15774544800, 41408180100 ]
[ "nonn" ]
A359524
[ 1, 4, 25, 107, 448, 1701, 6216, 21771, 74339, 248379 ]
[ "nonn", "more" ]
A066974
[ 2, 4, 70, 2197, 86944, 305045, 184940110, 480921672850, 1390639119568762, 1.387171667312119e+22, 4.628633447683619e+25, 1.5830526873856165e+29, 5.520159213145374e+32 ]
[ "nonn" ]
A280171
[ 1, 2, 6, 12, 40, 30, 84, 120, 288, 270, 990, 420, 936, 1638, 840, 2160, 5100, 4410, 8208, 5940, 3360, 6930, 12420, 10920, 14400, 19890, 28080, 27300, 48720, 43890, 37200, 73440, 84480, 151470, 97440, 107100, 139860, 139650, 120120, 83160, 196800, 395850, 216720, 318780, 191520, 217350, 118440, 546000, 282240, 1222650 ]
[ "nonn" ]
A195500
[ 3, 228, 308, 5289, 543900, 706180, 1244791, 51146940, 76205040, 114835995824, 106293119818725, 222582887719576, 3520995103197240, 17847666535865852, 18611596834765356, 106620725307595890, 269840171418387330, 357849299891217860 ]
[ "nonn", "frac" ]
A129279
[ 1, 1, 2, 4, 8, 8, 8, 8, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320, 1320 ]
[ "easy", "nonn" ]