Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A156276
[ 1, 5, 100, 250, 10000, 25000, 1000000, 2500000, 100000000, 250000000, 10000000000, 25000000000, 1000000000000, 2500000000000, 100000000000000, 250000000000000, 10000000000000000, 25000000000000000 ]
[ "nonn", "frac" ]
A048159
[ 1, 3, 1, 16, 13, 3, 125, 171, 85, 15, 1296, 2551, 2005, 735, 105, 16807, 43653, 47586, 26950, 7875, 945, 262144, 850809, 1195383, 924238, 412650, 100485, 10395, 4782969, 18689527, 32291463, 31818045, 19235755, 7113645, 1486485, 135135 ]
[ "nonn", "easy", "tabl", "nice" ]
A153957
[ 1, 2, 4, 16, 56, 256, 1518, 15896, 171565, 3217779, 58858443, 1927799742, 63170771231, 3671078892600, 213376157401433, 21677971544137050 ]
[ "nonn" ]
A307606
[ 1, 2, 6, 16, 46, 104, 268, 596, 1406, 3060, 6812, 14356, 30948, 63660, 132328, 267164, 541678, 1072000, 2127052, 4140340, 8060588, 15458948, 29602504, 55990780, 105693252, 197422424, 367793952, 679206200, 1250557768, 2284986580, 4162202864, 7530956532, 13583095710 ]
[ "nonn" ]
A137196
[ 7, 15, 31, 63, 79, 87, 111, 127, 135, 151, 159, 223, 231, 303, 319, 327, 367, 391, 399, 415, 463, 487, 495, 511, 519, 535, 559, 583, 591, 615, 631, 639, 655, 679, 727, 735, 823, 831, 855, 895, 903, 927, 975, 991, 1023, 1039, 1087, 1095, 1167, 1183, 1231, 1263, 1303, 1455 ]
[ "nonn" ]
A133183
[ 745356, 942809, 1490712, 1825742, 3333334, 4714045, 4714046, 5773503, 6666667, 7453560, 8164966, 8819171, 9428090, 10540926, 10540927, 10540928, 10540929, 14907120, 14907121, 14907122, 18257418, 18257419, 18257420, 21081851 ]
[ "nonn", "base" ]
A347175
[ 1, 1, 1, 1, 1, 1, 1, 1, 82, 1, 1, 82, 1, 1, 82, 1, 1, 82, 1, 1, 82, 1, 1, 82, 626, 1, 82, 1, 1, 707, 1, 1, 82, 1, 626, 82, 1, 1, 82, 626, 1, 82, 1, 1, 707, 1, 1, 82, 2402, 626, 82, 1, 1, 82, 626, 2402, 82, 1, 1, 707, 1, 1, 2483, 1, 626, 82, 1, 1, 82, 3027, 1, 82, 1, 1, 707 ]
[ "nonn", "easy" ]
A095957
[ 5, 37, 557, 1847, 216703, 6929381, 134193727, 15118087477 ]
[ "more", "nonn" ]
A067339
[ 2, 5, 17, 155, 12092, 73114280, 2672849006516342, 3.5720609058177e+30, 6.379809557435582e+60 ]
[ "easy", "nonn" ]
A171909
[ 1, 6, 7, 6, 6, 8, 8, 3, 7, 2, 5, 8, 1, 5, 8, 4, 1, 9, 2, 6, 2, 3, 3, 8, 4, 7, 4, 4, 6, 1, 6, 0, 2, 6, 0, 7, 7, 8, 5, 9, 0, 8, 9, 3, 4, 0, 6, 1, 1, 7, 5, 2, 0, 3, 4, 7, 5, 1, 6, 5, 6, 5, 0, 6, 5, 2, 5, 0, 3, 2, 1, 0, 4, 8, 9, 6, 8, 1, 5, 8, 2, 1, 5, 7, 8, 9, 7, 9, 2, 4, 9, 6, 6, 9, 8, 0, 7, 5, 9, 5, 0, 1, 5, 7, 4 ]
[ "cons", "nonn" ]
A189005
[ 1, 1, 55, 209, 6336, 30305, 817991, 4140081, 108435745, 557568000, 14479521761, 74795194705, 1937528668711, 10021992194369, 259423766712000, 1342421467113969, 34741645659770710, 179796299139278300, 4652799879944139000 ]
[ "nonn", "easy" ]
A104211
[ 1, 4, 6, 8, 9, 10, 13, 15, 17, 18, 19, 22, 24, 26, 27, 28, 31, 33, 35, 36, 37, 39, 40, 42, 44, 45, 46, 48, 51, 53, 54, 55, 57, 59, 60, 62, 63, 64, 66, 68, 69, 71, 72, 73, 75, 77, 78, 79, 80, 81, 82, 84, 86, 87, 88, 90, 91, 93, 95, 96, 97, 99, 100, 103, 105, 107, 108, 109, 112 ]
[ "easy", "nonn", "base" ]
A202079
[ 12, 524, 5832, 34632, 142692, 462436, 1264272, 3044496, 6644604, 13406844, 25370840, 45516120, 78055380, 128783316, 205485856, 318414624, 480831468, 709627884, 1026024168, 1456353128, 2032933188, 2795035716, 3789951408 ]
[ "nonn" ]
A236609
[ 339684, 8334390, 229977940, 7140442816, 231503851600, 7404436810296, 234327923595844, 7490135392939292, 240591337735654180, 7695948861635547000, 245641204878028140000, 7.858476745417708e+21 ]
[ "nonn" ]
A133800
[ 1, 1, 1, 1, 3, 1, 1, 7, 6, 3, 1, 15, 25, 30, 12, 1, 31, 90, 195, 180, 60, 1, 63, 301, 1050, 1680, 1260, 360, 1, 127, 966, 5103, 12600, 15960, 10080, 2520, 1, 255, 3025, 23310, 83412, 158760, 166320, 90720, 20160, 1, 511, 9330, 102315, 510300, 1369620 ]
[ "nonn", "tabl", "easy" ]
A131086
[ 1, 3, 1, 1, 5, 1, 3, 5, 7, 1, 1, 9, 11, 9, 1, 3, 9, 21, 19, 11, 1, 1, 13, 29, 41, 29, 13, 1, 3, 13, 43, 69, 71, 41, 15, 1, 1, 17, 55, 113, 139, 113, 55, 17, 1, 3, 17, 73, 167, 253, 251, 169, 71, 19, 1, 1, 21, 89, 241, 419, 505, 419, 241, 89, 21, 1, 3, 21, 111, 329 ]
[ "nonn", "tabl" ]
A144891
[ 1, 5, 1, 30, 5, 1, 210, 55, 5, 1, 1680, 360, 55, 5, 1, 15120, 3630, 485, 55, 5, 1, 151200, 29820, 4380, 485, 55, 5, 1, 1663200, 321300, 39570, 5005, 485, 55, 5, 1, 19958400, 3225600, 421800, 43320, 5005, 485, 55, 5, 1, 259459200, 38808000, 4265100, 470550, 46445, 5005 ]
[ "nonn", "easy", "tabl" ]
A284573
[ 2, 6, 12, 30, 60, 120, 180, 210, 420, 1080, 2160, 2520, 2520, 7560, 6300, 2310, 4620, 37800, 90720, 75600, 226800, 544320, 453600, 138600, 138600, 756000, 2268000, 831600, 415800, 2079000, 485100, 30030, 60060, 2910600, 24948000, 12474000, 49896000, 272160000, 136080000, 29106000, 87318000, 1360800000, 3265920000, 1496880000, 748440000 ]
[ "nonn" ]
A138622
[ 1, 3, 6, 7, 10, 12, 13, 16, 18, 21, 22, 25, 30, 31, 33, 36, 42, 43, 46, 52, 55, 57, 58, 60, 61, 63, 67, 73, 75, 76, 78, 87, 88, 90, 93, 100, 102, 106, 108, 111, 112, 115, 117, 121, 123, 127, 132, 133, 135, 138, 141, 142, 145, 150, 151, 153, 160, 162, 163 ]
[ "nonn" ]
A380705
[ 2, 0, 1, 1, 7, 2, 1, 8, 9, 8, 7, 8, 5, 4, 1, 1, 8, 2, 8, 5, 8, 8, 6, 1, 4, 6, 9, 6, 5, 5, 8, 2, 9, 1, 7, 1, 3, 7, 3, 6, 9, 4, 4, 8, 2, 7, 8, 6, 4, 9, 0, 7, 5, 6, 4, 8, 0, 6, 1, 3, 2, 3, 1, 5, 4, 3, 0, 5, 6, 3, 4, 0, 6, 6, 8, 3, 7, 6, 2, 1, 5, 9, 5, 1, 9, 0, 7, 0, 8, 4 ]
[ "nonn", "cons", "easy" ]
A248230
[ 12, 50, 133, 280, 507, 833, 1276, 1855, 2586, 3488, 4579, 5878, 7401, 9167, 11194, 13501, 16104, 19022, 22273, 25876, 29847, 34205, 38968, 44155, 49782, 55868, 62431, 69490, 77061, 85163, 93814, 103033, 112836, 123242, 134269, 145936, 158259, 171257, 184948 ]
[ "nonn", "easy" ]
A288426
[ 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1 ]
[ "nonn", "easy" ]
A331204
[ 1, 2, 3, 39, 5, 7, 8, 47, 9, 13, 14, 27, 14, 23, 17, 447, 17, 23, 20, 31, 23, 27, 34, 39, 31, 31, 29, 31, 43, 41, 32, 191, 40, 43, 49, 59, 38, 41, 42, 255, 64, 43, 65, 331, 48, 59, 62, 111, 52, 79, 53, 91, 55, 75, 61, 199, 71, 65, 86, 99, 65, 127, 74 ]
[ "nonn", "hard" ]
A174732
[ 1, 1, 1, 1, -51, 1, 1, -399, -399, 1, 1, -2177, -4597, -2177, 1, 1, -10191, -35671, -35671, -10191, 1, 1, -43719, -227343, -380363, -227343, -43719, 1, 1, -177119, -1279199, -3207839, -3207839, -1279199, -177119, 1, 1, -688869, -6593469, -23126349, -34699365, -23126349, -6593469, -688869, 1 ]
[ "sign", "tabl" ]
A282976
[ 1, 0, 1, 0, 111, 101, 10000, 111, 1110011, 1010001, 100100100, 1, 11111111100, 10000100101, 1000110000000, 10110111111, 111000101000011, 101010000011011, 10010000111010100, 110110000010, 1111110110110111000, 1000010011100001000, 100011000011101100000 ]
[ "nonn", "easy" ]
A382073
[ 4, 22, 121, 202, 301, 1003, 1111, 2101, 10003, 10021, 10102, 10201, 11002, 11101, 12001, 30001, 100021, 100102, 100201, 101011, 110002, 110101, 111001, 200011, 200101, 1000021, 1000111, 1000201, 1001002, 1001101, 1110001, 2001001, 3000001, 10000003, 10000021, 10000201, 10010002, 10020001 ]
[ "nonn", "base" ]
A334801
[ 24, 40, 48, 60, 70, 72, 80, 84, 96, 112, 120, 126, 140, 144, 160, 168, 176, 180, 192, 198, 200, 210, 216, 220, 224, 240, 252, 260, 264, 280, 286, 288, 300, 308, 312, 320, 330, 336, 350, 352, 360, 364, 378, 384, 390, 396, 400, 408, 416, 420, 432, 440, 442, 448, 456, 468 ]
[ "nonn" ]
A245362
[ 51, 323, 341, 422, 591, 993, 998, 4227, 4265, 5129, 5534, 5921, 5937, 8049, 8657, 8801, 9953, 32133, 32282, 32471, 32597, 32817, 34091, 34379, 36611, 36863, 38937, 42011, 42243, 42605, 53211, 53673, 55745, 57167, 57903, 59543, 82151, 86354, 86781, 88217, 88433 ]
[ "nonn", "base" ]
A065988
[ 0, 0, 2, 3, 2, 5, 3, 7, 5, 5, 7, 11, 3, 13, 11, 5, 13, 17, 5, 19, 17, 13, 19, 23, 7, 17, 23, 19, 7, 29, 11, 31, 29, 17, 31, 7, 11, 37, 23, 31, 37, 41, 17, 43, 41, 37, 43, 47, 7, 41, 47, 43, 37, 53, 23, 47, 53, 29, 43, 59, 19, 61, 59, 11, 61, 41, 29, 67, 53, 61, 67, 71, 37, 73, 71 ]
[ "nonn" ]
A046998
[ 1, 1, 12, 56, 167, 391, 786, 1422, 2381, 3757, 5656, 8196, 11507, 15731, 21022, 27546, 35481, 45017, 56356, 69712, 85311, 103391, 124202, 148006, 175077, 205701, 240176, 278812, 321931, 369867, 422966, 481586, 546097, 616881, 694332, 778856, 870871, 970807 ]
[ "nonn", "easy" ]
A357490
[ 1, 2, 3, 4, 7, 8, 10, 15, 16, 17, 24, 31, 32, 36, 42, 63, 64, 69, 70, 81, 88, 98, 104, 127, 128, 136, 170, 255, 256, 277, 278, 282, 292, 325, 326, 337, 344, 354, 360, 394, 418, 424, 511, 512, 513, 514, 515, 528, 547, 561, 568, 640, 682, 768, 769, 785, 792, 896 ]
[ "nonn" ]
A311146
[ 1, 4, 8, 12, 16, 20, 24, 28, 33, 38, 43, 48, 53, 58, 62, 64, 68, 71, 74, 79, 83, 89, 95, 101, 105, 111, 113, 117, 119, 121, 127, 129, 135, 141, 147, 151, 159, 160, 165, 168, 170, 176, 176, 183, 188, 193, 196, 205, 206, 212 ]
[ "nonn" ]
A321103
[ 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 2, 0, 1, 0, 2, 1, 2, 0, 1, 0, 2, 1, 0, 2, 1, 2, 0 ]
[ "nonn" ]
A153381
[ 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 35, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 50, 51, 53, 55, 56, 57, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 79, 80, 81, 83, 85, 86, 87, 88 ]
[ "nonn", "easy" ]
A325496
[ 1, 4, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 1, 3, 2, 3, 1, 2, 1, 1, 2, 2, 3, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 3, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 3, 1, 2, 1, 1, 2, 2, 4, 2, 1, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 3 ]
[ "nonn", "easy" ]
A074548
[ 3, 13, 61, 307, 1633, 9043, 51481, 298507, 1751713, 10359523, 61573801, 367168507, 2194090993, 13129397203, 78637382521, 471273075307, 2825447921473, 16943968454083, 101629063565641, 609635780178907 ]
[ "easy", "nonn" ]
A273955
[ 1, 1, -1, 2, -4, 12, -36, 115, -366, 1202, -4016, 13684, -47192, 164550, -578773, 2051994, -7324990, 26306860, -94980720, 344555898, -1255235744, 4590432218, -16845658552, 62014596756, -228956736888, 847546307549, -3145089430938, 11697191534690, -43595085475847, 162793363083734, -609005952973882, 2282129119421879, -8565364253229324, 32195552437196080, -121185775973925820, 456749227410641400 ]
[ "sign" ]
A205778
[ 2, 3, 3, 3, 5, 4, 5, 5, 4, 5, 7, 4, 4, 5, 6, 9, 8, 6, 8, 5, 8, 8, 13, 8, 8, 6, 7, 5, 10, 6, 9, 11, 7, 8, 12, 9, 5, 11, 9, 5, 5, 8, 7, 9, 6, 13, 15, 9, 13, 12, 8, 9, 7, 9, 9, 11, 8, 14, 6, 9, 7, 12, 15, 19, 6, 9, 11, 8, 13, 12, 21, 13, 17, 12, 8, 12, 8, 9, 12, 16, 9, 17, 7, 8, 11, 9 ]
[ "nonn" ]
A089678
[ 2, 3, 5, 1608 ]
[ "nonn" ]
A251152
[ 470, 8407, 148833, 2644832, 46958048, 833966807, 14810089440, 263012232516, 4670807329618, 82948521103259, 1473076057445537, 26160241273743964, 464577643321668400, 8250397474900690000, 146518153252603690000 ]
[ "nonn" ]
A081017
[ 0, 10, 75, 520, 3570, 24475, 167760, 1149850, 7881195, 54018520, 370248450, 2537720635, 17393796000, 119218851370, 817138163595, 5600748293800, 38388099893010, 263115950957275, 1803423556807920, 12360848946698170 ]
[ "nonn", "easy" ]
A226559
[ 1, -1, -1, 2, 1, -2, -2, 2, 4, -4, -5, 6, 6, -7, -9, 10, 13, -15, -17, 20, 21, -25, -28, 32, 39, -43, -49, 56, 60, -69, -78, 86, 101, -112, -125, 142, 153, -172, -192, 212, 241, -266, -295, 328, 357, -397, -438, 482, 540, -592, -652, 720, 781, -862, -946 ]
[ "sign" ]
A104404
[ 1, 1, 1, 2, 1, 1, 1, 4, 2, 1, 1, 2, 1, 1, 1, 6, 1, 2, 1, 2, 1, 1, 1, 4, 2, 1, 3, 2, 1, 1, 1, 8, 1, 1, 1, 4, 1, 1, 1, 4, 1, 1, 1, 2, 2, 1, 1, 6, 2, 2, 1, 2, 1, 3, 1, 4, 1, 1, 1, 2, 1, 1, 2, 12, 1, 1, 1, 2, 1, 1, 1, 8, 1, 1, 2, 2, 1, 1, 1, 6, 5, 1, 1, 2, 1, 1, 1, 4, 1, 2, 1, 2, 1, 1, 1, 8, 1, 2, 2, 4, 1, 1 ]
[ "nonn", "easy", "mult" ]
A372820
[ 1, 0, 2, 0, 3, 3, 0, 0, 8, 4, 0, 0, 16, 15, 5, 0, 0, 0, 50, 24, 6, 0, 0, 0, 125, 108, 35, 7, 0, 0, 0, 0, 432, 196, 48, 8, 0, 0, 0, 0, 1296, 1029, 320, 63, 9, 0, 0, 0, 0, 3156, 4802, 2048, 486, 80, 10, 0, 0, 0, 0, 7734, 21858, 12288, 3645, 700, 99, 11 ]
[ "nonn", "tabl" ]
A136112
[ 1, 2, 3, 5, 6, 8, 9, 11, 15, 18, 23, 24, 27, 51, 54, 71, 72, 81, 96, 99, 123, 128, 135, 162, 216, 239, 243, 263, 288, 303, 311, 359, 384, 423, 459, 479, 486, 519, 591, 599, 639, 648, 683, 699, 729, 743, 783, 863, 864, 879, 891, 911, 1031, 1103, 1151, 1215, 1431 ]
[ "nonn" ]
A051060
[ 0, 0, 1, 1, 1, 2, 4, 5, 7, 9, 11, 15, 20, 25, 33, 40, 48, 60, 74, 89, 108, 130, 157, 187, 222, 262, 311, 365, 427, 500, 585, 680, 792, 915, 1059, 1222, 1407, 1615, 1857, 2123, 2425, 2770, 3162, 3592, 4086, 4633, 5254, 5946, 6723, 7586, 8566, 9644, 10854, 12202 ]
[ "nonn" ]
A371717
[ 1, 1, 2, 4, 16, 951, 16440466 ]
[ "nonn", "hard", "more" ]
A050759
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 45, 46, 50, 51, 52, 53, 54, 55, 56, 57, 60, 61, 62, 63, 64, 65, 68, 69, 70, 72, 73, 75, 76, 78, 79, 80, 82, 83, 84, 86, 87, 88 ]
[ "nonn", "base" ]
A032659
[ 211, 615, 1827, 2635, 3039, 3847, 4251, 5463, 6271, 8089, 8493, 98107, 126135, 132141, 158167, 168177, 212221, 222231, 240249, 242251, 258267, 278287, 288297, 296305, 306315, 312321, 314323, 350359, 368377, 384393, 386395, 404413, 410419 ]
[ "nonn", "base" ]
A097127
[ 1, 10, 197, 3133, 41308, 403753, 3076647, 18364836, 91171940 ]
[ "more", "nonn" ]
A325095
[ 1, 2, 4, 5, 10, 12, 14, 15, 30, 35, 40, 42, 47, 49, 51, 52, 104, 119, 134, 139, 154, 159, 164, 166, 181, 186, 191, 193, 198, 200, 202, 203, 406, 458, 510, 525, 577, 592, 607, 612, 664, 679, 694, 699, 714, 719, 724, 726, 778, 793, 808, 813, 828, 833, 838, 840 ]
[ "nonn", "look" ]
A064896
[ 1, 3, 5, 7, 9, 15, 17, 21, 31, 33, 63, 65, 73, 85, 127, 129, 255, 257, 273, 341, 511, 513, 585, 1023, 1025, 1057, 1365, 2047, 2049, 4095, 4097, 4161, 4369, 4681, 5461, 8191, 8193, 16383, 16385, 16513, 21845, 32767, 32769, 33825, 37449, 65535, 65537 ]
[ "base", "easy", "nonn" ]
A333382
[ 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 2, 1, 0, 0, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 0, 0, 1, 1, 1, 0, 2, 2, 1, 1, 2, 0, 1, 2, 3, 2, 1, 1, 2, 2, 2, 2, 2, 3, 2, 1, 2, 1, 2, 1, 2, 1, 0, 0, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 3, 2, 1, 1, 2, 2, 2, 1, 1, 2 ]
[ "nonn" ]
A079466
[ 1, 22, 112, 121, 211, 333, 1113, 1131, 1311, 3111, 4444, 11114, 11141, 11411, 14111, 22233, 22323, 22332, 23223, 23232, 23322, 32223, 32232, 32322, 33222, 41111, 55555 ]
[ "base", "nonn" ]
A127681
[ 1, 1, 2, 4, 9, 19, 42, 90, 198, 428, 936, 2030, 4430, 9626, 20978, 45622, 99367, 216197, 470736, 1024420, 2230183, 4853881, 10566170, 22997974, 50061240, 108964596, 237186018, 516272178, 1123772192, 2446081048, 5324371354, 11589437278 ]
[ "easy", "nonn" ]
A073280
[ 0, 1, 2, 3, 5, 4, 6, 8, 7, 13, 12, 11, 10, 9, 15, 14, 19, 22, 21, 16, 20, 18, 17, 36, 35, 34, 32, 31, 33, 30, 29, 27, 26, 28, 25, 24, 23, 41, 40, 39, 38, 37, 52, 51, 60, 64, 63, 56, 62, 59, 58, 43, 42, 53, 61, 57, 47, 55, 50, 49, 44, 54, 48, 46, 45, 106, 105, 104, 101, 100 ]
[ "nonn" ]
A203096
[ 16, 1080, 48552, 2029744, 87531478, 3790420430, 163621176194, 7062389921398, 304924052795176, 13165093367601574, 568388578666214500, 24539653368720440000, 1.0594789585092883e+21, 4.574209163900548e+22 ]
[ "nonn" ]
A074885
[ 1, 2, 3, 4, 6, 7, 11, 14, 15, 23, 30, 35, 38, 39, 42, 47, 62, 71, 78, 83, 87, 95, 110, 119, 138, 143, 155, 158, 167, 182, 195, 203, 210, 215, 222, 227, 230, 255, 263, 282, 287, 302, 318, 327, 335, 383, 390, 395, 398, 435, 447, 455, 462, 483, 503 ]
[ "nonn", "nice" ]
A051855
[ 0, 1, 2, 3, 4, 13, 112, 328, 11123 ]
[ "nonn" ]
A284403
[ 1, 0, 101, 1110, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111, 111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111, 11111111111111112, 111111111111111100, 1111111111111111200, 11111111111111110000 ]
[ "nonn", "easy" ]
A006262
[ 1, 2, 18, 4608, 1800000000, 5.0779978334208e+21, 5.608281336980602e+48 ]
[ "nonn", "easy" ]
A235371
[ 1, 1, 5, 53, 745, 14761, 342125, 9919133, 320525905, 12231596881, 507077877845, 23997083985413, 1214302628958265, 68589494705086200, 4098200887304658400, 269019686917890770000, 1.8535055580911326e+22, 1.3864385854932295e+24, 1.0820900111476047e+26 ]
[ "nonn" ]
A097620
[ 12, 16, 18, 24, 30, 32, 36, 40, 42, 48, 54, 60, 64, 72, 84, 88, 90, 96, 102, 108, 112, 120, 128, 132, 138, 140, 144, 150, 156, 160, 162, 168, 180, 192, 198, 200, 210, 216, 224, 228, 234, 240, 250, 252, 256, 264, 270, 272, 280, 282, 288, 294, 300, 304, 306, 308 ]
[ "nonn" ]
A335352
[ 5, 24, 28, 80, 100, 168, 188, 288, 324, 440, 452, 624, 676, 808, 872, 1088, 1156, 1368, 1412, 1644, 1764, 2024, 2084, 2380, 2500, 2808, 2848, 3248, 3340, 3720, 3836, 4188, 4356, 4744, 4800, 5328, 5476, 5896, 5984, 6560, 6684, 7224, 7348, 7852, 8100, 8648 ]
[ "nonn" ]
A178382
[ 2, 3, 5, 7, 17, 29, 41, 43, 61, 79, 101, 131, 137, 149, 173, 197, 211, 223, 227, 229, 233, 239, 241, 251, 271, 281, 293, 307, 311, 331, 353, 397, 439, 449, 463, 523, 569, 593, 607, 641, 683, 691, 727, 733, 751, 761, 787, 821, 853, 859, 919, 947, 953, 983, 1031 ]
[ "nonn" ]
A299900
[ 1, 4, 7, 12, 24, 38, 50, 68, 94, 122, 153, 187, 223, 260, 293, 331, 382, 438, 500, 569, 628, 678, 737, 800, 870, 958, 1051, 1141, 1227, 1303, 1382, 1475, 1568, 1672, 1797, 1914, 2023, 2135, 2236, 2343, 2471, 2597, 2731, 2885, 3026, 3156, 3296 ]
[ "nonn" ]
A281189
[ 15, 85, 57, 85, 1111, 185, 4119, 4369, 489, 451, 13315, 679, 26533, 985, 1057, 1285, 179503, 1387, 82311, 2005, 2649, 2047, 4663957, 2509, 2761, 3385, 3097, 3277, 243895, 4207, 16246817, 4369, 4577, 471651, 5401, 5629, 607839, 466429, 483731, 6817, 1009273, 10587, 1132547, 8119, 8401, 798731, 990583, 9809, 1411791, 1062517 ]
[ "base", "nonn" ]
A300807
[ 8, 108, 1004, 9504, 90980, 872495, 8363710, 80174942, 768542846, 7367167560, 70620793761, 676962861970, 6489288003156, 62205568978236, 596295430879394, 5716019441254447, 54793105139432780, 525240405862663200 ]
[ "nonn" ]
A252147
[ 44707, 11573, 21375, 17166, 44234, 34320, 108750, 78781, 254289, 178690, 631331, 408458, 1557034, 972865, 3894549, 2351136, 9859334, 5724828, 25112827, 14226925, 64213200, 35652840, 165276046, 89908958, 426691518, 229088911, 1104127770 ]
[ "nonn" ]
A136707
[ 1, 1, 0, 1, 1, 0, 1, 1, 0, 2, 1, 1, 6, 2, 1, 9, 2, 1, 12, 3, 2, 13, 7, 2, 13, 10, 2, 13, 13, 3, 14, 14, 3, 14, 14, 3, 14, 14, 3, 14, 14, 4, 15, 15, 4, 15, 15, 4, 15, 15, 5, 16, 16, 5, 16, 16, 5, 16, 16, 6, 17, 17, 6, 17, 17, 6, 17, 17, 6, 17, 17, 7, 18, 18, 7, 18, 18, 7, 18, 18, 8, 19, 19 ]
[ "easy", "base", "nonn" ]
A258196
[ 1, 0, -1, -2, -1, 2, 0, 2, 0, 0, 1, 0, 2, -2, -1, 0, -2, -2, 0, 0, 0, 0, 2, 0, -1, 0, 2, 0, 0, 2, -1, 2, 0, 2, 0, 0, -2, -2, 0, 0, 0, -2, -2, 0, 1, 0, 0, -2, 2, 0, -2, 2, -1, 0, 0, -2, 2, 2, 2, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, -1, -2, -2, 2, 0, -2, 0, 2, -2 ]
[ "sign" ]
A187027
[ 1, 4, 0, 9, 12, 0, 16, 56, 24, 0, 25, 132, 296, 24, 0, 36, 240, 1008, 1344, 0, 0, 49, 380, 2232, 7056, 5120, 0, 0, 64, 552, 3936, 19568, 45152, 15760, 0, 0, 81, 756, 6120, 39348, 161256, 263000, 36816, 0, 0, 100, 992, 8784, 66360, 376248, 1251720, 1384152, 57904, 0, 0 ]
[ "nonn", "tabl" ]
A009138
[ 1, 0, 1, -3, 0, 0, 210, -1260, 3752, -46872, 690960, -6013920, 58389672, -895065600, 12888358392, -168411308520, 2621915506688, -47022586623488, 824126273574336, -14767693271763840, 293589445235224960 ]
[ "sign", "easy" ]
A009594
[ 0, 1, 2, 3, 12, 77, 382, 1519, 6328, 37753, 266522, 1627131, 7776516, 32335877, 186528214, 1552283815, 8927485936, -15949155215, -942524148046, -10331486791053, -66361022595972, -416998255691971, -6076708664221010 ]
[ "sign", "easy" ]
A104179
[ 2, 3, 5, 7, 23, 37, 53, 73, 223, 233, 337, 353, 373, 523, 733, 773, 2237, 2333, 3373, 3533, 3733, 5233, 5237, 5323, 7333, 7523, 23333, 23773, 25237, 32237, 33533, 33773, 35323, 35353, 37223, 37337, 52237, 53233, 53353, 53773, 73523, 75323, 77323 ]
[ "nonn", "base" ]
A063987
[ 1, 1, 1, 4, 1, 2, 4, 1, 3, 4, 5, 9, 1, 3, 4, 9, 10, 12, 1, 2, 4, 8, 9, 13, 15, 16, 1, 4, 5, 6, 7, 9, 11, 16, 17, 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 1, 4, 5, 6, 7, 9, 13, 16, 20, 22, 23, 24, 25, 28, 1, 2, 4, 5, 7, 8, 9, 10, 14, 16, 18, 19, 20, 25, 28, 1, 3, 4, 7, 9, 10, 11, 12, 16, 21, 25 ]
[ "nonn", "tabf", "nice", "easy" ]
A083796
[ 1, 2, 1, 1, 2, 3, 1, 2, 5, 6, 1, 2, 3, 4, 14, 1, 2, 3, 4, 8, 30, 1, 2, 3, 4, 5, 6, 39, 1, 2, 3, 4, 5, 6, 11, 28, 1, 2, 3, 4, 5, 6, 7, 8, 804, 1, 2, 3, 4, 5, 6, 7, 8, 24, 1620, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2465, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 17, 15048, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]
[ "nonn", "tabl" ]
A303947
[ 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 2, 0, 0, 0, 2, 0, 0, 1, 0, 2, 0, 2, 0, 2, 0, 1, 2, 0, 1, 0, 3, 0, 1, 1, 2, 3, 0, 2, 1, 4, 0, 1, 2, 2, 2, 0, 4, 1, 2, 1, 3, 3, 1, 3, 1, 5, 1, 3, 2, 4, 3, 1, 4, 2, 4, 1, 5, 3, 3, 4, 4, 6, 2, 4 ]
[ "nonn", "look" ]
A306024
[ 1, 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 3, 7, 5, 0, 1, 4, 15, 31, 15, 0, 1, 5, 26, 95, 164, 52, 0, 1, 6, 40, 214, 717, 999, 203, 0, 1, 7, 57, 405, 2096, 6221, 6841, 877, 0, 1, 8, 77, 685, 4875, 23578, 60619, 51790, 4140, 0, 1, 9, 100, 1071, 9780, 67354, 297692, 652595, 428131, 21147, 0 ]
[ "nonn", "tabl" ]
A267199
[ 1, 126, 26, 79, 300, 1152, 3947, 13378, 44030, 138210, 421038, 1239035, 3508899, 9645395, 25812556, 67295422 ]
[ "nonn" ]
A001718
[ 1, 22, 355, 5265, 77224, 1155420, 17893196, 288843260, 4876196776, 86194186584, 1595481972864, 30908820004608, 626110382381184, 13246845128678016, 292374329134060800, 6723367631258861000, 160883166944083150000, 4.001062259532015e+21 ]
[ "nonn", "changed" ]
A313056
[ 1, 4, 9, 14, 18, 23, 28, 33, 38, 42, 46, 50, 55, 60, 65, 71, 76, 79, 82, 87, 92, 97, 103, 108, 112, 116, 120, 124, 129, 135, 140, 144, 149, 154, 157, 161, 167, 172, 176, 181, 186, 190, 195, 200, 204, 208, 213, 218, 222, 228 ]
[ "nonn" ]
A317953
[ 1, 12, 1231, 1231112, 1231112121231, 1.231112121231123e+23, 1.231112121231123e+43, 1.2311121212311231e+80 ]
[ "nonn" ]
A161742
[ 1, 4, 13, 30, -14, -504, 736, 44640, -104544, -10644480, 33246720, 5425056000, -20843695872, -5185511654400, 23457840537600, 8506857655296000, -44092609863966720, -22430879475779174000, 130748316971139070000 ]
[ "easy", "sign" ]
A161450
[ 10, 27, 40, 57, 78, 95, 108, 125, 130, 147, 160, 177, 198, 215, 228, 245, 267, 282, 297, 312, 335, 350, 365, 380, 387, 402, 417, 432, 455, 470, 485, 500, 520, 537, 554, 571, 588, 605, 622, 639, 640, 657, 674, 691, 708, 725, 742, 759, 777, 792, 811, 826, 845 ]
[ "nonn", "easy" ]
A020499
[ 1, 25, 426, 6170, 81851, 1029315, 12498676, 148149460, 1726010901, 19855374605, 226242178526, 2559210312750, 28786474721551, 322368894171895, 3597522989519976, 40035969784960040, 444564772324613800 ]
[ "nonn", "easy" ]
A046186
[ 793234063, 793234067, 793234111, 793234139, 793234153, 793234171, 793234177, 793234193, 793234207, 793234243, 793234261, 793234289, 793234333, 793234357, 793234391, 793234427, 793234441 ]
[ "nonn", "base", "fini", "full" ]
A117828
[ 1, 5, 9, 13, 35, 57, 79, 101, 105, 505, 509, 909, 913, 323, 327, 727, 731, 141, 145, 545, 549, 949, 953, 363, 367, 767, 771, 181, 185, 585, 589, 989, 993, 403, 308, 807, 712, 221, 126, 625, 530, 39, 97, 83, 42, 28, 86, 72, 31, 17, 75, 61, 20, 6, 10, 5, 9, 13, 35, 57, 79, 101, 105, 505, 509, 909, 913, 323, 327, 727, 731 ]
[ "nonn", "base", "easy" ]
A019316
[ 1, 17, 195, 1885, 16571, 137277, 1092715, 8456045, 64100091, 478409437, 3528167435, 25777174605, 186937014811, 1347606967997, 9667804397355, 69083038251565, 492036007548731, 3494997671436957, 24769526131110476 ]
[ "nonn", "easy" ]
A184147
[ 5695, 584143, 58656073, 5910714349, 595270788529, 59956202692285, 6038729388705523, 608216983453837200, 61259186715875934000, 6.169982998016034e+21, 6.214364124108785e+23 ]
[ "nonn" ]
A352176
[ 1, 1, 1, 2, 4, 9, 22, 57, 150, 401, 1086, 2972, 8211, 22882, 64250, 181608, 516347, 1475714, 4237134, 12216498, 35355041, 102668187, 299068056, 873654587, 2558849874, 7512707796, 22106301618, 65182852893, 192568585013, 569922496063, 1689559407054 ]
[ "nonn" ]
A208504
[ 19, 361, 456, 1406, 4104, 12654, 37430, 114494, 341012, 1037552, 3103650, 9410776, 28227958, 85405038, 256622854, 775344932, 2332325696, 7040506202, 21193626760, 63940325966, 192562547974, 580744761326, 1749471290612, 5274981085968 ]
[ "nonn" ]
A138816
[ 326, 742, 314, 168, 843, 168, 521, 212, 212, 631, 181, 181, 632, 521, 155 ]
[ "base", "nonn", "more" ]
A219713
[ 84, 1030, 106421, 13042996, 1202223210, 97254386205, 7921920681423, 651320047005845 ]
[ "nonn" ]
A387361
[ 1, 4, 34, 360, 4240, 53184, 695462, 9366968, 128974482, 1806466376, 25649169360, 368251171264, 5336142742044, 77928806182640, 1145686661461166, 16941028325651416, 251769181131306240, 3758317957588393000, 56324288926707170000, 847084621934648000000, 1.2780033173479276e+22 ]
[ "nonn", "walk" ]
A369050
[ 1, 2, 2, 3, 2, 4, 2, 5, 6, 7, 2, 8, 2, 9, 10, 11, 2, 12, 2, 13, 14, 15, 2, 16, 17, 18, 19, 20, 2, 21, 2, 22, 23, 24, 25, 26, 2, 27, 28, 29, 2, 30, 2, 31, 32, 33, 2, 34, 35, 36, 37, 38, 2, 39, 28, 40, 41, 42, 2, 43, 2, 44, 45, 46, 47, 48, 2, 49, 50, 51, 2, 52, 2, 53, 54, 55, 56, 57, 2, 58, 59, 60, 2, 61, 62, 63, 64, 65, 2, 66, 37 ]
[ "nonn" ]
A047090
[ 1, 2, 3, 6, 12, 21, 42, 84, 155, 310, 620, 1176, 2352, 4704, 9071, 18142, 36284, 70717, 141434, 282868, 555268, 1110536, 2221072, 4381656, 8763312, 17526624, 34697879, 69395758, 138791516, 275467455, 550934910, 1101869820, 2191008499 ]
[ "nonn" ]
A366363
[ 1, 2, 0, 4, -8, 32, -112, 432, -1696, 6848, -28160, 117632, -497664, 2128128, -9183488, 39940864, -174897664, 770452480, -3411959808, 15181264896, -67833868288, 304256253952, -1369404661760, 6182858317824, -27995941060608, 127100310290432, -578433619525632 ]
[ "sign" ]
A101788
[ 0, 1, 1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 39, 40, 41, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 52, 53, 54, 54, 55, 56, 57, 58, 59, 60, 61 ]
[ "easy", "nonn" ]
A358262
[ 1, 16, 144, 256, 3600, 1296, 2304, 65536, 129600, 16777216, 32400, 20736, 57600, 331776, 589824, 4294967296, 6350400, 1099511627776, 150994944, 810000, 1587600, 1679616, 518400, 5308416, 2822400, 84934656, 8294400, 26873856, 14745600, 21743271936, 38654705664 ]
[ "nonn" ]