Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A250360
[ 8, 64, 512, 4091, 32608, 259106, 2052904, 16234706, 128373416, 1015004124, 8024737888, 63441430784, 501536079048, 3964832287906, 31343315384096, 247778886499164, 1958768810680376, 15484663643904612, 122410935014171300 ]
[ "nonn" ]
A177498
[ 20, 98, 54, 38, 152, 94, 68, 260, 154, 332, 696, 386, 234, 476, 1002, 548, 1138, 2342, 656, 1342, 746, 800, 1648, 3332, 1750, 3530, 1852, 1016, 2158, 2226, 8904, 1250, 9684, 2566, 2668, 5378, 2838, 2940, 11634, 3076, 12414, 6368, 12804, 3382, 3586, 7358, 14754 ]
[ "nonn" ]
A123129
[ 1, 4, 25, 512, 2401, 100000, 531441, 35831808, 2562890625, 5159780352, 2015993900449, 17592186044416, 129746337890625, 20822964865671170, 3243919932521509000, 136880068015412050000, 288441413567621170000 ]
[ "nonn" ]
A215143
[ 1, 2, 7, 28, 112, 441, 1715, 6615, 25382, 97069, 370440, 1411788, 5375839, 20458921, 77833217, 296038498, 1125816895, 4281011812, 16277915640, 61891962377, 235320000363, 894697938743, 3401649302758, 12933013979445, 49170893188704, 186945601728004, 710757805310287 ]
[ "nonn", "easy" ]
A332108
[ 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 35, 37, 38, 39, 40, 42, 44, 45, 46, 47, 49, 51, 52, 53, 54, 56, 58, 59, 61, 63, 65, 66, 68, 70, 72, 73, 75, 77, 79, 80, 82, 84, 87, 89, 90, 91, 94, 96, 98 ]
[ "nonn", "fini", "full" ]
A014672
[ 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, -1, 0, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "sign" ]
A117387
[ 2, 2, 3, 7, 17, 31, 61, 127, 257, 509, 1021, 2053, 4093, 8191, 16381, 32771, 65537, 131071, 262147, 524287, 1048573, 2097143, 4194301, 8388617, 16777213, 33554467, 67108859, 134217757, 268435459, 536870909, 1073741827, 2147483647, 4294967291, 8589934583 ]
[ "nonn" ]
A368228
[ 0, 1, 2, 2, 6, 5, 4, 6, 41, 7, 86, 129, 97, 68, 49, 68, 49, 287, 102, 137, 102, 137, 385, 538, 183, 513, 361, 511, 338, 481, 681, 1791, 161, 855, 605, 801, 271, 751, 538, 356, 1939, 1325, 890, 637, 111, 1194, 380, 2111, 755, 1977, 163, 1887, 601, 1701, 563, 12403, 513, 1491, 7802 ]
[ "nonn", "easy" ]
A329387
[ 7, 10, 13, 16, 19, 26, 28, 35, 37, 44, 46, 53, 55, 62, 64, 67, 70, 73, 76, 83, 89, 91, 94, 97, 100, 103, 110, 116, 118, 121, 124, 127, 130, 137, 143, 145, 148, 151, 154, 157, 164, 170, 172, 175, 178, 181, 184, 191, 197, 199, 206, 208, 215, 217, 224, 226, 233 ]
[ "nonn" ]
A062369
[ 1, 6, 7, 21, 9, 42, 11, 58, 30, 54, 15, 147, 17, 66, 63, 141, 21, 180, 23, 189, 77, 90, 27, 406, 54, 102, 106, 231, 33, 378, 35, 318, 105, 126, 99, 630, 41, 138, 119, 522, 45, 462, 47, 315, 270, 162, 51, 987, 86, 324, 147, 357, 57, 636, 135, 638, 161, 198, 63, 1323 ]
[ "nonn", "mult" ]
A129054
[ 0, 37, 13067, 1314000, 61111294, 1787036930, 38628806361 ]
[ "nonn" ]
A195581
[ 1, 0, 1, 0, 0, 2, 0, 0, 2, 4, 0, 0, 0, 16, 8, 0, 0, 0, 40, 64, 16, 0, 0, 0, 80, 400, 208, 32, 0, 0, 0, 80, 2240, 2048, 608, 64, 0, 0, 0, 0, 11360, 18816, 8352, 1664, 128, 0, 0, 0, 0, 55040, 168768, 104448, 30016, 4352, 256, 0, 0, 0, 0, 253440, 1508032, 1277568, 479040, 99200, 11008, 512 ]
[ "nonn", "tabl" ]
A123861
[ 1, 4, 8, 20, 48, 88, 168, 320, 544, 932, 1584, 2544, 4080, 6488, 9984, 15288, 23232, 34568, 51144, 75152, 108832, 156736, 224352, 317728, 447648, 627292, 871856, 1206068, 1660416, 2271032, 3092976, 4194464, 5657728, 7602096, 10175760 ]
[ "nonn" ]
A116604
[ 1, -3, 2, 0, 1, 0, 2, -6, 2, 0, 0, 0, 3, -3, 2, 0, 0, 0, 2, -6, 2, 0, 2, 0, 1, -6, 2, 0, 0, 0, 2, 0, 4, 0, 0, 0, 2, -9, 0, 0, 1, 0, 4, -6, 2, 0, 0, 0, 2, 0, 2, 0, 0, 0, 2, -6, 2, 0, 2, 0, 1, -6, 4, 0, 0, 0, 0, -6, 2, 0, 0, 0, 4, -3, 2, 0, 2, 0, 2, -6, 0, 0, 0, 0, 3, 0, 2, 0, 0, 0, 2, -6, 4, 0, 0, 0, 2, -12, 2, 0, 0, 0, 4, 0, 0 ]
[ "sign" ]
A057986
[ 1, 7, 10, 11, 15, 16, 18, 24, 25, 27, 31, 37, 40, 41, 43, 47, 53, 54, 60, 63, 64, 68, 69, 71, 75, 81, 82, 88, 91, 92, 94, 100, 103, 104, 108, 109, 111, 117, 118, 120, 124, 130, 131, 137, 140, 141, 143, 149, 152, 153, 157, 158, 160, 164 ]
[ "nonn" ]
A034540
[ 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, 3, 9, 32, 79, 211, 492, 1176, 2648, 6060, 13562, 30805, 69720, 160032, 368845, 859204, 2010165, 4729027, 11140427, 26263447, 61800036, 145025538, 338901911 ]
[ "nonn" ]
A329365
[ 1, 2, 3, 14, 5, 42, 7, 192, 54, 110, 11, 1236, 13, 210, 240, 6460, 17, 3744, 19, 5020, 462, 506, 23, 85176, 350, 702, 4410, 12964, 29, 29730, 31, 604352, 1122, 1190, 1260, 542754, 37, 1482, 1560, 560840, 41, 79422, 43, 47476, 50670, 2162, 47, 15988848, 1274, 68800 ]
[ "nonn" ]
A065199
[ 0, 1, 2, 3, 4, 6, 24, 30, 53, 54, 55, 58, 64, 78, 79, 80, 82, 96, 97, 98, 109, 112, 113, 131, 135, 147, 149, 186, 187, 188, 198, 201, 232, 233, 236, 259, 260, 261 ]
[ "base", "nonn", "hard" ]
A277439
[ 1, 2, 3, 4, 5, 6, 7, 16, 27, 20, 11, 12, 13, 56, 135, 64, 85, 18, 19, 320, 567, 352, 115, 144, 175, 832, 1215, 2240, 29, 30, 217, 2560, 8019, 78336, 70, 5184, 925, 1064, 199017, 1120, 451, 42, 5375, 315392, 5670, 329728, 2585, 1152, 91 ]
[ "nonn", "frac" ]
A324649
[ 6, 20, 28, 36, 66, 72, 88, 100, 104, 114, 132, 150, 240, 258, 264, 272, 280, 304, 354, 368, 392, 402, 464, 496, 498, 516, 550, 552, 642, 644, 680, 708, 748, 770, 774, 784, 786, 834, 836, 840, 860, 978, 1026, 1032, 1040, 1044, 1056, 1062, 1064, 1068, 1074, 1092, 1104, 1120, 1184, 1232, 1266, 1312, 1362, 1376, 1410, 1504 ]
[ "nonn" ]
A239810
[ 3, 4, 6, 3, 0, 4, 2, 6, 7, 3, 9, 4, 1, 8, 3, 6, 2, 2, 4, 3, 5, 9, 2, 4, 3, 9, 4, 5, 8, 6, 7, 1, 7, 8, 4, 3, 9, 7, 7, 5, 4, 3, 5, 5, 3, 3, 0, 0, 2, 8, 4, 1, 4, 6, 6, 3, 6, 4, 2, 0, 0, 0, 8, 9, 3, 7, 1, 9, 3, 0, 1, 9, 9, 9, 0, 4, 7, 5, 1, 6, 5, 9, 0, 8, 3, 0, 4, 2, 0, 6, 0, 8, 6, 6, 1, 1, 6, 7, 3, 5, 8, 2, 7, 7, 7, 0 ]
[ "nonn", "cons" ]
A068396
[ 0, 0, 0, 0, 0, -18, -54, -72, -9, -63, 18, -36, 27, 9, -27, 18, -36, 45, -9, 54, 36, -18, 45, -9, 18, 0, -198, -594, -792, -198, -594, 0, -594, -792, -792, 0, -594, -198, -594, -198, -792, 0, 0, -198, -594, -792, 99, -99, -495 ]
[ "sign", "base", "nice", "look" ]
A136596
[ 1, -3, 31, -375, 5911, -113463, 2571031, -67170855, 1987919671, -65731585623, 2401646633431, -96089053104135, 4178215255335031, -196193483904125000, 9894077286353279000, -533334378459657700000, 3.0602112192036615e+22 ]
[ "sign" ]
A058893
[ 1, 5, 9, 22, 112, 118, 93, 899, 2346, 1773, 386, 5940, 27446, 48426, 28650, 1586, 35138, 247752, 745180, 995290, 484578 ]
[ "nonn", "tabl", "more" ]
A219396
[ 0, 17, 21, 72, 80, 165, 177, 296, 312, 465, 485, 672, 696, 917, 945, 1200, 1232, 1521, 1557, 1880, 1920, 2277, 2321, 2712, 2760, 3185, 3237, 3696, 3752, 4245, 4305, 4832, 4896, 5457, 5525, 6120, 6192, 6821, 6897, 7560, 7640, 8337, 8421, 9152, 9240 ]
[ "nonn", "easy" ]
A026435
[ 2, 4, 5, 6, 8, 10, 12, 13, 14, 16, 17, 18, 20, 21, 22, 24, 26, 28, 30, 32, 34, 36, 37, 38, 40, 42, 44, 45, 46, 48, 50, 52, 53, 54, 56, 57, 58, 60, 61, 62, 65, 66, 68, 70, 72, 74, 76, 78, 80, 81, 82, 85, 86, 88, 90, 92, 93, 94, 96, 97 ]
[ "nonn" ]
A063794
[ 2, 28, 1368, 1700, 342000, 2061000, 2120832, 65834560, 89082000 ]
[ "nonn", "more" ]
A137131
[ 3, 939938, 943338933438, 943394898438 ]
[ "base", "nonn", "more" ]
A333000
[ 1, 3, 6, 7, 12, 25, 39, 15, 43, 47, 69, 76, 115, 185, 198, 31, 48, 209, 304, 138, 604, 317, 432, 203, 213, 500, 344, 640, 901, 899, 1271, 63, 1777, 179, 2274, 736, 1069, 1572, 1860, 361, 525, 3156, 4360, 1074, 2580, 2150, 2808, 506, 4528, 924, 1042, 1630, 2266, 1836, 2878, 1930, 5004, 4165, 5522, 3026, 4307, 6343, 7638, 127, 6801 ]
[ "nonn" ]
A145763
[ 1, 1, 1, 1, 4, 7, 16, 35, 133, 363, 1590, 5600, 33892, 154647, 1163836, 6812622, 66760064, 504710757, 6331779830, 61565739001, 996948455181, 12487323542741, 259917683188595, 4189678086571772, 112326942697897630 ]
[ "nonn" ]
A264006
[ 25, 925, 34225, 791245, 18292729, 457981160, 11466126400, 281815392680, 6926481776041, 170779751613677, 4210755835973569, 103753245808996530, 2556485447086756000, 62999780498241580000, 1.552511220961365e+21 ]
[ "nonn" ]
A074839
[ 1, 3, 8, 19, 42, 85, 174, 353, 712, 1431, 2864, 5743, 11492, 22989, 45982, 91971, 183968, 367939, 735888, 1471789, 2943596, 5887195, 11774408, 23548837, 47097690, 94195387, 188390808, 376781617, 753563240, 1507126509, 3014253028 ]
[ "easy", "nonn" ]
A347820
[ 2, 1, 4, 3, 2, 2, 6, 7, 20, 1, 4, 1, 4, 3, 12, 15, 10, 10, 12, 9, 2, 2, 8, 9, 2, 2, 8, 2, 8, 6, 22, 31, 84, 5, 6, 5, 20, 6, 24, 6, 18, 1, 4, 1, 4, 4, 16, 5, 56, 1, 4, 1, 4, 4, 16, 1, 4, 4, 16, 3, 16, 11, 44, 63, 42, 42, 56, 3, 10, 3, 12, 3, 40, 10, 44, 3, 36 ]
[ "nonn" ]
A058306
[ 12, 1, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "frac", "easy" ]
A325033
[ 0, 0, 1, 0, 2, 1, 2, 0, 2, 2, 3, 1, 3, 2, 3, 0, 4, 2, 3, 2, 3, 3, 4, 1, 4, 3, 3, 2, 4, 3, 5, 0, 4, 4, 4, 2, 4, 3, 4, 2, 6, 3, 5, 3, 4, 4, 5, 1, 4, 4, 5, 3, 4, 3, 5, 2, 4, 4, 7, 3, 5, 5, 4, 0, 5, 4, 8, 4, 5, 4, 5, 2, 6, 4, 5, 3, 5, 4, 6, 2, 4, 6, 9, 3, 6, 5, 5 ]
[ "nonn" ]
A334477
[ 1, 0, 0, 3, 6, 0, 2, 5, 4, 0, 2, 2, 1, 2, 5, 9, 8, 9, 6, 7, 0, 4, 3, 2, 3, 9, 3, 3, 3, 3, 2, 1, 8, 7, 8, 5, 9, 1, 7, 0, 5, 3, 9, 4, 7, 7, 1, 1, 7, 5, 0, 8, 7, 2, 1, 3, 7, 0, 2, 2, 4, 0, 2, 6, 4, 1, 6, 5, 2, 3, 7, 1, 7, 3, 7, 1, 7, 3, 6, 2, 6, 1, 4, 6, 6, 2, 7, 5, 2, 0, 4, 0, 8, 1, 5, 1, 4, 8, 2, 9, 8, 9, 1, 5, 7 ]
[ "nonn", "cons" ]
A252372
[ 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0 ]
[ "nonn" ]
A290975
[ 1, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, -1, -2, 0, 0, -1, -3, -1, 0, -1, -4, -3, 0, -1, -6, -6, -1, -1, -8, -10, -4, -1, -10, -17, -10, -2, -12, -27, -20, -6, -15, -40, -38, -16, -19, -56, -68, -36, -27, -79, -114, -75, -45, -109, -180, -147, -84 ]
[ "sign" ]
A381081
[ 1, 10, 2, 11, 12, 3, 13, 14, 7, 15, 5, 16, 4, 17, 18, 6, 19, 100, 20, 21, 30, 22, 23, 101, 102, 24, 8, 25, 50, 26, 27, 9, 31, 103, 104, 28, 29, 105, 32, 40, 41, 106, 53, 107, 108, 33, 34, 109, 110, 51, 35, 52, 42, 36, 37, 111, 38, 112, 43, 113, 114, 39, 115, 54, 60, 44, 45, 55, 56, 46, 116, 47, 117, 90, 57, 118, 59, 119, 70, 58, 120, 48, 49, 71, 121, 122 ]
[ "nonn", "base", "look" ]
A111515
[ 1, 5, 176, 56, 4565, 385, 63261, 1958, 614154, 8349, 4697205, 31185, 30167357, 105558, 169229875, 329931, 851376628, 966467, 3913864295, 2679689, 16670689208, 7089500, 66493182097, 18004327, 250438925115, 44108109, 896684817527, 104651419, 3068829878530 ]
[ "nonn" ]
A123296
[ 0, 25, 75, 150, 250, 375, 525, 700, 900, 1125, 1375, 1650, 1950, 2275, 2625, 3000, 3400, 3825, 4275, 4750, 5250, 5775, 6325, 6900, 7500, 8125, 8775, 9450, 10150, 10875, 11625, 12400, 13200, 14025, 14875, 15750, 16650, 17575, 18525, 19500, 20500, 21525, 22575 ]
[ "nonn", "easy" ]
A148872
[ 1, 1, 3, 8, 29, 95, 371, 1391, 5579, 22515, 93172, 389984, 1660907, 7129259, 30986277, 135626950, 598601472, 2659537838, 11888774528, 53438424419, 241407630975, 1095407211522, 4991553340467, 22831078844323, 104797432694290, 482588831392966, 2228958459777283, 10323814710499352, 47940936376648040 ]
[ "nonn", "walk" ]
A341074
[ 1, 1, 1, 0, 2, 3, 3, 3, 5, 8, 9, 8, 11, 15, 16, 16, 22, 27, 30, 31, 38, 46, 48, 49, 57, 72, 73, 76, 90, 107, 109, 112, 128, 151, 156, 160, 182, 214, 220, 224, 250, 290, 297, 306, 335, 387, 399, 409, 442, 503, 517, 529, 572, 641, 660, 676, 726, 809, 829, 846, 903 ]
[ "nonn" ]
A013036
[ 2, -14, 618, -67854, 13932498, -4595539054, 2223446144762, -1483204666755694, 1304724424132456200, -1.4633419036542506e+21, 2.0381456862989403e+24, -3.451301962890841e+27 ]
[ "sign" ]
A385841
[ 1, 1, 2, 18, 505, 32857, 4141211, 898723027, 309170208201, 158606268801081, 115783226426053390, 115899337245305110000, 1.543781538994813e+23, 2.669200635402685e+26, 5.8669061201692366e+29, 1.610466268575966e+33 ]
[ "nonn" ]
A236364
[ 1, 5, 18, 40, 80, 135, 217, 320, 459, 625, 836, 1080, 1378, 1715, 2115, 2560, 3077, 3645, 4294, 5000, 5796, 6655, 7613, 8640, 9775, 10985, 12312, 13720, 15254, 16875, 18631, 20480, 22473, 24565, 26810, 29160, 31672, 34295, 37089, 40000, 43091, 46305, 49708 ]
[ "nonn", "easy" ]
A107494
[ 1, 2, 0, 0, 2, 0, 0, 0, 0, 2, 0, 6, 12 ]
[ "nonn" ]
A046596
[ 1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 4, 4, 1, 1, 4, 4, 4, 4, 1, 1, 4, 1, 1, 4, 1, 1, 4, 4, 4, 4, 1, 1, 4, 4, 1, 4, 4, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 4, 1, 1, 1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 1, 1, 4, 4, 1, 1, 4, 4, 1, 1, 1, 4, 4, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 4, 1, 1, 4, 1, 1, 1, 4, 1, 1, 4, 1, 1, 4, 4, 4 ]
[ "tabf", "nonn" ]
A024648
[ 0, 1, 2, 3, 4, 5, 6, 7, 60, 61, 62, 63, 64, 65, 66, 67, 640, 641, 642, 643, 644, 645, 646, 647, 6420, 6421, 6422, 6423, 6424, 6425, 6426, 6427, 64200, 64201, 64202, 64203, 64204, 64205, 64206, 64207, 64260, 64261, 64262, 64263, 64264, 64265, 64266, 64267 ]
[ "nonn", "base", "easy" ]
A123151
[ 1, 1, 2, 7, 11, 32, 154, 319, 1184, 7084, 17864, 79328, 559636, 1643488, 8408768, 67715956, 225157856, 1294950272, 11647144432, 43005150496, 273234507392, 2702137508224, 10923308225984, 75685958547584, 813343389975424, 3560998481670784, 26641457408749570 ]
[ "nonn", "easy" ]
A122731
[ 7, 47, 59, 61, 73, 103, 113, 131, 137, 151, 157, 163, 173, 181, 197, 199, 211, 223, 227, 229, 241, 257, 263, 269, 271, 281, 283, 307, 311, 313, 337, 347, 349, 353, 359, 367, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 449, 457, 461, 463, 467, 479, 487 ]
[ "easy", "nonn" ]
A202804
[ 0, 10, 32, 66, 112, 170, 240, 322, 416, 522, 640, 770, 912, 1066, 1232, 1410, 1600, 1802, 2016, 2242, 2480, 2730, 2992, 3266, 3552, 3850, 4160, 4482, 4816, 5162, 5520, 5890, 6272, 6666, 7072, 7490, 7920, 8362, 8816, 9282, 9760, 10250, 10752, 11266, 11792, 12330 ]
[ "nonn", "easy" ]
A167622
[ 1, 2, 2, 1, 4, 8, 3, 18, 16, 14, 29, 26, 24, 35, 38, 15, 16, 37, 25, 48, 63, 62, 49, 29, 8, 2, 10, 17, 82, 106, 73, 18, 43, 106, 112, 148, 99, 104, 34, 163, 6, 59, 51, 71, 111, 25, 11, 207, 63, 195, 74, 76, 180, 87, 96, 195, 121, 263, 122, 192, 15, 119, 149, 282, 124, 294 ]
[ "nonn" ]
A115900
[ 1, 2, 3, 4, 5, 219, 322, 375, 22248, 32065, 47827, 1406744, 2144055, 2991368, 3626587, 4909369, 172133971, 177457001, 328030055, 3128669654, 8345867631, 19649249526, 45179367929, 47228405729, 48534773039, 49583585599, 2127577449846, 2191781701563, 3972961263797 ]
[ "nonn", "base" ]
A003105
[ 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 23, 26, 30, 34, 38, 42, 47, 53, 60, 67, 74, 82, 91, 102, 114, 126, 139, 153, 169, 187, 207, 228, 250, 274, 301, 331, 364, 399, 436, 476, 520, 569, 622, 679, 739, 804, 875, 953, 1038, 1128, 1224, 1327 ]
[ "nonn", "nice" ]
A279125
[ 0, 0, 1, 0, 2, 3, 4, 0, 3, 2, 5, 1, 6, 7, 8, 0, 7, 6, 9, 5, 10, 11, 12, 4, 13, 14, 15, 16, 17, 18, 19, 0, 11, 10, 16, 9, 14, 13, 20, 12, 21, 22, 23, 24, 25, 26, 27, 1, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 0, 18, 17, 24, 15, 22, 21, 35, 9 ]
[ "nonn", "base", "look" ]
A192038
[ 4, 5, 4, 9, 1, 1, 2, 5, 5, 6, 5, 0, 7, 7, 4, 3, 2, 3, 9, 2, 0, 3, 2, 2, 5, 0, 3, 9, 6, 9, 0, 2, 9, 6, 7, 7, 7, 9, 7, 7, 7, 5, 1, 5, 7, 1, 2, 1, 2, 5, 5, 3, 0, 9, 7, 8, 5, 2, 9, 4, 1, 0, 1, 2, 5, 6, 2, 6, 3, 8, 4, 8, 1, 7, 4, 2, 5, 6, 4, 3, 0, 8, 4, 6, 0, 0, 4, 9, 4, 5, 2, 0, 9, 7, 4, 1, 6, 9, 4, 3 ]
[ "nonn", "cons" ]
A287782
[ 1, 1, 0, 0, 11, 11, 0, 0, 1, 1, 1101, 1101, 10100, 10100, 11000, 11000, 11100100, 11100100, 100, 100, 11000100, 11000100, 11000100, 11000100, 11000111, 11000111, 11000110, 11000110, 10001010, 10001010, 1100001011, 1100001011, 1000010100, 1000010100 ]
[ "nonn", "easy" ]
A043394
[ 49, 98, 147, 196, 245, 294, 344, 345, 346, 347, 348, 349, 350, 357, 364, 371, 378, 385, 392, 441, 490, 539, 588, 637, 687, 688, 689, 690, 691, 692, 693, 700, 707, 714, 721, 728, 735, 784, 833, 882, 931, 980, 1030, 1031, 1032, 1033 ]
[ "nonn", "base" ]
A130718
[ 2, 2, 12, 240, 725760, 79833600, 2615348736000, 711374856192000, 102181884343418880000, 2.1777738900836704e+28, 1.7683523987479404e+31 ]
[ "easy", "nonn" ]
A279958
[ 1, 2, 5, 14, 5, 46, 85, 190, 325, 1006, 85, 3774, 1093, 11246, 21589, 43710, 83013, 179182, 283733, 703166, 1070149, 3144686, 5248085, 15723198, 5259333, 45006830, 68501589, 201047742, 336938053, 732950510, 1158697045, 2947460798, 4585690181, 11454639086 ]
[ "nonn", "easy" ]
A368082
[ 8, 9, 11, 13, 14, 15, 17, 19, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 35, 37, 39, 41, 42, 43, 44, 45, 47, 49, 50, 51, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 67, 68, 69, 71, 72, 73, 75, 77, 79, 80, 81, 82, 83, 85, 86, 87, 89, 90, 91, 92, 93, 95, 97, 98, 99 ]
[ "nonn" ]
A029331
[ 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 2, 1, 3, 1, 2, 2, 4, 3, 4, 2, 5, 4, 6, 4, 8, 5, 7, 6, 10, 8, 11, 7, 12, 10, 14, 11, 17, 12, 16, 14, 21, 17, 22, 16, 24, 21, 27, 22, 31, 24, 31, 27, 37, 31, 39, 31, 42, 37, 46, 39, 52, 42, 52, 46 ]
[ "nonn", "easy" ]
A103753
[ 9, 27, 39, 43, 73, 79, 109, 117, 129, 187, 213, 219, 241, 243, 247, 253, 297, 319, 327, 331, 361, 367, 369, 387, 417, 433, 447, 457, 471, 493, 513, 523, 537, 547, 577, 591, 601, 621, 633, 639, 643, 661, 699, 703, 709, 717, 727, 757, 759 ]
[ "base", "nonn" ]
A286005
[ 29, 60, 91, 92, 141, 154, 185, 204, 217, 241, 254, 279, 285, 342, 403, 441, 473, 497, 510, 528, 541, 572, 603, 622, 666, 697, 715, 753, 771, 779, 780, 811, 841, 873, 922, 936, 954, 973, 1022, 1047, 1053, 1066, 1091, 1122, 1234, 1291, 1347, 1404, 1422, 1453, 1496, 1561 ]
[ "nonn", "easy" ]
A219296
[ 15, 62, 800, 8424, 80488, 696879, 5595137, 42137183, 299422108, 2021265987, 13038610049, 80654932004, 479604953245, 2748191485086, 15213541621965, 81562622654551, 424391554645577, 2147199449175464, 10580989217496262 ]
[ "nonn" ]
A062416
[ 1, 1, 1, 3, 7, 18, 54, 168, 543, 1819, 6285, 22305, 81086, 301186, 1140759, 4398269, 17237269, 68582448, 276723506, 1131245762, 4681484415, 19597666673, 82933899715, 354575503931, 1530739734802, 6669583434025, 29316248173094 ]
[ "nonn", "easy" ]
A312384
[ 1, 4, 8, 14, 17, 23, 27, 31, 34, 38, 45, 47, 57, 55, 65, 62, 73, 72, 80, 85, 88, 94, 95, 101, 108, 107, 121, 112, 130, 120, 138, 133, 143, 148, 149, 155, 156, 162, 171, 167, 186, 171, 195, 179, 202, 193, 206, 209, 210, 217 ]
[ "nonn" ]
A301303
[ 1, 1, 1, 1, 3, 3, 1, 1, 3, 3, 2, 2, 2, 4, 2, 1, 3, 5, 3, 5, 5, 4, 3, 3, 3, 5, 3, 3, 4, 6, 2, 1, 4, 3, 4, 5, 3, 4, 2, 3, 6, 5, 2, 4, 6, 4, 2, 2, 3, 6, 3, 3, 4, 6, 4, 4, 5, 4, 4, 5, 2, 4, 4, 1, 7, 8, 2, 7, 8, 5, 3, 5, 5, 7, 4, 5, 6, 5, 2, 5 ]
[ "nonn" ]
A103104
[ 1, 2, 4, 7, 13, 28, 58, 86, 92, 108, 1408, 1486, 1712, 2674, 3880, 5536, 7588, 7650, 10558, 15532, 17959, 37180, 93082 ]
[ "more", "nonn" ]
A109773
[ 1, 14, -544, 34496, -2512254, 197053696, -16194254272, 1374326128896, -119403428951808, 10561444878559246, -947458249960057100, 85971010094510200000, -7.874673015172094e+21, 7.270161519872672e+23, -6.757342649101251e+25, 6.317185611058638e+27 ]
[ "sign" ]
A356643
[ 1, 0, 0, 0, 612, 22411, 0 ]
[ "nonn", "more" ]
A136172
[ 1, 2, 9, 105, 2702, 154609, 19092682, 5161046609, 3089394167519, 4175309542037953, 12956948188014836000, 9.37726532475175e+22, 1.6031751844930017e+27, 6.5450800470044795e+31 ]
[ "nonn" ]
A267163
[ 1, 1, 1, 1, 0, 2, 1, 0, 0, 6, 1, 0, 1, 8, 24, 1, 0, 15, 260, 411, 120, 1, 0, 65, 5826, 68482, 30362, 720, 1, 0, 202, 66670, 8718817, 41883832, 2742512, 5040, 1, 0, 537, 1168252, 1305588167, 64580898272, 47453493386, 317221226, 40320, 1, 0, 1559, 31032592 ]
[ "nonn", "tabl" ]
A238096
[ 0, 1, 2, 5, 6, 10, 11, 16, 19, 23, 24, 33, 34, 38, 42, 50, 51, 60, 61, 70, 74, 78, 79, 94, 97, 101, 106, 115, 116, 129, 130, 141, 145, 149, 153, 172, 173, 177, 181, 196, 197, 210, 211, 220, 229, 233, 234, 257, 260, 269, 273, 282, 283, 298, 302, 317, 321, 325, 326, 353, 354, 358, 367, 382, 386, 399, 400, 409, 413, 426 ]
[ "nonn", "changed" ]
A290330
[ 1, 3, 5, 28, 90, 209, 220, 226, 301, 352, 516, 1746, 2214, 2215, 2364, 2413, 3043, 3895, 5837, 8283, 16551, 20955, 46161, 67302, 82360, 94357, 100439 ]
[ "nonn", "more", "hard" ]
A329343
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 2, 0, 0, 1, 0, 2, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 2, 1, 0, 0, 0, 2, 1, 0, 0, 0, 0, 1, 0, 0, 1, 2, 1, 0, 0, 0, 0, 1, 0, 2, 0, 0, 2, 0, 1, 0, 0, 1, 2, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 2, 1, 2, 0, 0, 0, 0, 2 ]
[ "nonn" ]
A053548
[ 1, 0, 0, 2, 4, 9, 32, 90, 240, 654, 1804, 4950, 13664, 37944, 106272, 298890, 843796, 2390595, 6796160, 19370696, 55345680, 158489298, 454803100, 1307556162, 3765741324, 10862667648, 31381058880, 90780903460, 262951527460 ]
[ "nonn" ]
A121068
[ 0, 3, 27, 30, 33, 48, 57, 60, 72, 75, 78, 108, 117, 123, 135, 150, 162, 192, 198, 207, 228, 243, 270, 300, 303, 312, 342, 345, 390, 408, 417, 423, 435, 480, 498, 507, 510, 513, 543, 552, 555, 573, 618, 633, 642, 645, 657, 675, 705, 723, 732, 738, 747, 750, 780 ]
[ "nonn", "easy" ]
A108040
[ 1, 1, 0, 0, 1, 1, 2, 2, 1, 0, 0, 2, 4, 5, 5, 16, 16, 14, 10, 5, 0, 0, 16, 32, 46, 56, 61, 61, 272, 272, 256, 224, 178, 122, 61, 0, 0, 272, 544, 800, 1024, 1202, 1324, 1385, 1385, 7936, 7936, 7664, 7120, 6320, 5296, 4094, 2770, 1385, 0, 0, 7936, 15872, 23536, 30656 ]
[ "nonn", "tabl", "easy", "changed" ]
A369464
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 72, 73, 74, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 88 ]
[ "nonn" ]
A261507
[ 1, 1, 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 5, 10, 10, 5, 1, 1, 8, 28, 56, 70, 56, 28, 8, 1, 1, 13, 78, 286, 715, 1287, 1716, 1716, 1287, 715, 286, 78, 13, 1, 1, 21, 210, 1330, 5985, 20349, 54264, 116280, 203490, 293930, 352716, 352716, 293930, 203490, 116280, 54264, 20349, 5985, 1330, 210, 21, 1 ]
[ "less", "nonn", "tabf" ]
A322326
[ 1, 1, 2, 4, 8, 16, 26, 64, 107, 226, 382, 859, 1488, 3124, 5628, 11326, 21629, 42274, 81420, 158002, 309129, 592798, 1181109, 2234319, 4501108, 8461706, 17211219, 32187953, 66018320, 122792362, 253549269, 469715744, 975300728, 1802165555, 3758679309, 6931995005 ]
[ "nonn" ]
A129215
[ 3, 11, 22, 38, 52, 69, 125, 140, 154, 167, 169, 185, 198, 200, 205, 239, 299, 308, 335, 368, 376, 390, 405, 421, 482, 509, 574, 597, 610, 663, 684, 700, 701, 720, 763, 792, 795, 798, 840, 843, 855, 898, 907, 921, 954, 957 ]
[ "nonn" ]
A034390
[ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 1, 3, 2, 4, 3, 6, 5, 9, 8, 13, 14, 21, 21, 31, 34, 48, 53, 73, 82, 112, 128, 170, 198, 261, 304, 396, 470, 604, 720, 920, 1102, 1402, 1688, 2129, 2579, 3244, 3932 ]
[ "nonn" ]
A363123
[ 2, 12, 40, 56, 120, 144, 168, 176, 208, 280, 528, 544, 608, 624, 720, 736, 800, 840, 864, 880, 928, 992, 1008, 1040, 1232, 1456, 1584, 1632, 1824, 1872, 2208, 2288, 2368, 2400, 2624, 2640, 2720, 2752, 2784, 2976, 3008, 3040, 3120, 3136, 3392, 3680, 3696, 3776 ]
[ "nonn", "easy" ]
A127750
[ 1, 3, 2, 5, 2, 4, 2, 7, 2, 4, 2, 6, 2, 4, 2, 9, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 11, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 10, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 13, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 10, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4, 2, 6, 2, 4, 2, 12, 2, 4, 2, 6, 2, 4, 2, 8, 2, 4 ]
[ "nonn" ]
A006272
[ 12, 2772, 21624369228, 1.011184752591268e+31 ]
[ "nonn" ]
A059419
[ 1, 0, 1, 2, 0, 1, 0, 8, 0, 1, 16, 0, 20, 0, 1, 0, 136, 0, 40, 0, 1, 272, 0, 616, 0, 70, 0, 1, 0, 3968, 0, 2016, 0, 112, 0, 1, 7936, 0, 28160, 0, 5376, 0, 168, 0, 1, 0, 176896, 0, 135680, 0, 12432, 0, 240, 0, 1, 353792, 0, 1805056, 0, 508640, 0, 25872, 0, 330, 0, 1, 0 ]
[ "nonn", "easy", "nice", "tabl" ]
A367663
[ 6, 13, 55, 223, 673, 1753, 3787, 6937, 11851, 19297, 30211, 42877, 63247, 86323, 114049, 155701, 204169, 251293, 329989, 400081, 487537, 607189, 742747, 858241, 1041835, 1231789, 1424647, 1667659, 1968427, 2165947, 2600779, 2939863, 3286159, 3784153, 4217395, 4687771, 5688804, 6316332 ]
[ "nonn", "look" ]
A127531
[ 0, 0, 2, 13, 64, 285, 1210, 5005, 20384, 82212, 329460, 1314610, 5230016, 20764055, 82317690, 326012925, 1290244800, 5103910680, 20183646780, 79802261190, 315492902400, 1247247742650, 4930910180196, 19495286167698, 77085553829824, 304836321995800, 1205640294021800 ]
[ "nonn" ]
A082078
[ 17, 53, 157, 173, 193, 229, 349, 439, 607, 659, 701, 709, 977, 1153, 1187, 1301, 1619, 2281, 2287, 2293, 2671, 2819, 2843, 3067, 3313, 3539, 3673, 3727, 3833, 4013, 4051, 4517, 4951, 5101, 5897, 6079, 6203, 6211, 6323, 6679, 6869, 7321, 7589, 7643, 7907 ]
[ "nonn" ]
A194167
[ 0, 0, 0, 1, 1, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 8, 8, 8, 8, 8, 9, 9, 10, 11, 12, 12, 12, 12, 13, 13, 14, 15, 16, 16, 16, 16, 16, 17, 18, 18, 19, 20, 20, 20, 21, 21, 22, 22, 23, 24, 24, 24, 24, 25, 25, 26, 27, 27, 28, 29, 29, 29, 29, 30, 31, 31, 32, 32, 33, 33, 33, 34, 34, 35 ]
[ "nonn" ]
A336756
[ 9, 12, 15, 15, 18, 21, 21, 21, 24, 24, 27, 27, 27, 30, 30, 33, 33, 33, 33, 33, 36, 36, 39, 39, 39, 39, 39, 39, 42, 42, 42, 45, 45, 45, 45, 48, 48, 48, 48, 51, 51, 51, 51, 51, 51, 51, 51, 54, 54, 54, 57, 57, 57, 57, 57, 57, 57, 57, 57, 60, 60, 60, 60, 63, 63, 63, 63, 63, 63 ]
[ "nonn" ]
A084847
[ 1, 4, 18, 86, 418, 2022, 9650, 45334, 209730, 956870, 4312402, 19228662, 84948962, 372287398, 1620178674, 7008019670, 30150864514, 129107299206, 550530654866, 2338786731958, 9902578218786, 41802362561894, 175984622563378 ]
[ "easy", "nonn" ]
A362447
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1 ]
[ "nonn", "tabl", "word" ]
A307143
[ 2, 5, 34, 358 ]
[ "nonn", "more" ]
A279374
[ 1, 3, 6, 15, 37, 80, 183, 428, 893, 1944, 4223, 8691, 18128, 37529, 75738, 153460, 308829, 612006, 1211097, 2386016, 4648229, 9042678, 17528035, 33645928, 64508161, 123178953, 233709589, 442583046, 834923483, 1567271495, 2935406996, 5481361193, 10191781534 ]
[ "nonn" ]
A119073
[ 6, 66, 406, 666, 66066, 446040, 600060, 46046406, 440466040, 4040600460, 6604444400406, 4440066066400004000, 644006046066000000000, 4.44646464666064e+25, 4.64440406444064e+35, 6.604660066400664e+35, 6.040464040064041e+37 ]
[ "nonn", "base" ]
A009059
[ 1, -1, 0, 2, -8, 24, -56, 104, 64, -1792, 12672, -68608, 309376, -1203840, 2917888, 5570816, -163782656, 1636425728, -12716052480, 86205304832, -495644917760, 2289265803264, -4004259037184, -73881736609792, 1359174582304768 ]
[ "sign", "easy" ]