id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A286569
[ 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 3, 2, 1, 1, 4, 2, 2, 2, 1, 1, 1, 3, 5, 4, 3, 3, 2, 1, 1, 1, 6, 2, 1, 4, 4, 3, 3, 2, 3, 3, 3, 3, 3, 5, 5, 7, 7, 8, 9, 9, 2, 5, 9, 1, 3, 7, 2, 3, 1, 1, 1, 1, 10, 2, 5, 6, 1, 7, 4, 4, 3, 3, 1, 5, 5, 7, 3, 9, 9, 5, 5, 9, 9, 5, 9, 7, 5, 7, 11, 7, 9, 11, 11, 12, 12, 13, 14, 9, 5, 3, 15, 7, 9, 16, 4, 12, 11, 5, 1, 16, 3, 3, 17, 1, 6, 18 ]
[ "nonn" ]
A120001
[ 0, 10, 12, 21, 102, 112, 123, 213, 312, 412, 512, 612, 712, 812, 912, 1012, 1023, 1123, 1213, 1234, 1324, 1423, 2113, 2134, 3124, 4123, 5123, 6123, 7123, 8123, 9123, 10123, 10234, 11213, 11234, 12134, 12345, 13245, 14235, 15234, 16234, 17234, 18234, 19234, 21134, 21345 ]
[ "nonn", "base" ]
A081943
[ 1, 3, 2, 4, 5, 6, 7, 12, 9, 8, 10, 11, 18, 13, 14, 16, 15, 24, 20, 19, 30, 17, 22, 21, 28, 23, 36, 27, 26, 33, 40, 32, 31, 42, 25, 50, 34, 38, 39, 48, 43, 60, 35, 46, 45, 44, 37, 54, 41, 52, 57, 56, 55, 68, 49, 62, 64, 53, 70, 29, 66, 63, 76, 47, 82, 69, 58, 51, 72, 61 ]
[ "nonn" ]
A246090
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 24, 27, 30, 33, 36, 39, 42, 45, 48, 52, 56, 60, 64, 68, 72, 81, 90, 99, 108, 117, 126, 135, 144, 156, 168, 180, 192, 208, 224, 243, 270, 297, 324, 351, 378, 405, 432, 468, 504, 540, 576, 624, 672, 729, 810, 891, 972, 1053, 1134, 1215, 1296, 1404, 1512, 1620, 1728, 1872, 2016, 2187, 2430, 2673, 2916, 3159, 3402, 3645, 3888, 4212, 4536 ]
[ "nonn" ]
A355248
[ 0, 0, 0, 1, 0, 0, 1, 1, 1, 2, 1, 2, 3, 2, 1, 3, 2, 5, 3, 3, 3, 5, 5, 5, 5, 5, 6, 9, 5, 8, 5, 8, 4, 12, 5, 11, 8, 12, 10, 13, 5, 14, 10, 16, 9, 17, 8, 19, 10, 19, 15, 24, 12, 22, 14, 24, 16, 27, 16, 25, 13, 23, 22, 33, 15, 29, 17, 35, 22, 37, 17, 37, 15, 32, 28, 44, 27, 41, 26, 40 ]
[ "nonn" ]
A200793
[ 1, 1, 3, 16, 121, 1191, 14461, 209098, 3510921, 67175461, 1443249271, 34412298636, 901898694313, 25775139581491, 797824620178041, 26592701386533770, 949705032131053200, 36181186751341437000, 1.4647606316951184e+21, 6.2798619981256524e+22 ]
[ "nonn" ]
A274906
[ 3, 5, 7, 17, 31, 13, 127, 257, 73, 41, 683, 241, 8191, 127, 331, 65537, 131071, 109, 524287, 61681, 5419, 2113, 2796203, 673, 4051, 8191, 262657, 15790321, 3033169, 1321, 2147483647, 6700417, 599479, 131071, 122921, 38737, 616318177, 525313, 22366891 ]
[ "nonn" ]
A127792
[ 1, 1, 4, 6, 8, 10, 15, 14, 17, 23, 27, 22, 41, 26, 41, 51, 52, 32, 67, 38, 76, 74, 63, 45, 99, 69, 78, 81, 112, 58, 138, 62, 107, 107, 98, 126, 154, 73, 110, 127, 184, 80, 193, 86, 162, 207, 126, 94, 213, 133, 205, 169, 198, 106, 235, 197, 260, 188, 169, 118, 364, 122, 179 ]
[ "nonn" ]
A108746
[ 1, 0, 1, 1, 0, 1, 1, 2, 1, 1, 2, 4, 4, 3, 1, 4, 9, 13, 9, 6, 1, 8, 23, 34, 35, 21, 10, 1, 17, 56, 97, 111, 86, 46, 15, 1, 37, 138, 272, 347, 321, 201, 92, 21, 1, 82, 344, 749, 1083, 1111, 846, 449, 169, 28, 1, 185, 859, 2063, 3289, 3786, 3255, 2080, 953, 289, 36, 1, 423, 2154 ]
[ "nonn", "tabl" ]
A330130
[ 1, 2, 4, 8, 12, 18, 26, 28, 30, 32, 34, 36, 40, 44, 48, 52, 56, 60, 64, 68, 74, 80, 88, 96, 104, 112, 120, 128, 138, 148, 162, 176, 192, 208, 224, 240, 258, 276, 300, 324, 354, 384, 416, 448, 482, 516, 558, 600, 654, 708, 770, 832, 898, 964, 1040, 1116, 1212 ]
[ "nonn", "easy" ]
A220907
[ 0, 1, 4, 10, 21, 40, 70, 119, 190, 301, 455, 686, 998, 1450, 2051, 2895, 4001, 5523, 7490, 10141, 13545, 18046, 23773, 31255, 40687, 52850, 68105, 87542, 111755, 142347, 180205, 227622, 286027, 358580, 447482, 557235, 691016, 855131, 1054375, 1297352, 1591060 ]
[ "nonn" ]
A114054
[ 1, 1, 0, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2 ]
[ "nonn", "cons", "fini", "full", "less" ]
A176966
[ 1, 4, 7, 28, 109, 487, 2233, 10666, 52111, 259957, 1317331, 6765121, 35126623, 184109599, 972775495, 5175914824, 27709135453, 149145574915, 806659265809, 4381711637563, 23893807660885, 130754073218149, 717819706182061 ]
[ "easy", "nonn" ]
A278522
[ 0, 0, 1, 0, 0, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 2, 1, 2, 0, 0, 2, 1, 1, 0, 2, 2, 1, 1, 1, 1, 0, 0, 2, 1, 2, 2, 1, 0, 1, 0, 0, 0, 0, 2, 0, 1, 1, 1, 1, 1, 2, 2, 0, 1, 0, 2, 2, 1, 1, 1, 1, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 0, 2, 1, 1, 0, 2, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 0, 0, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 0, 1, 2, 1 ]
[ "nonn" ]
A375525
[ 1, 5, 31, 247, 529, 559, 1747, 181, 4651, 147331, 1276726, 10379813, 10527373, 501426731, 507546131, 14874882499, 120130384067, 8121140473289, 597694372183697, 7829048769596861, 7886595152525441, 341425446875737150, 26430832817384950, 2579018441538211000, 137426518826740880000 ]
[ "nonn", "frac" ]
A267628
[ 1, 126, 1802, 32208, 679735, 19027506, 651123366, 25708254936 ]
[ "nonn" ]
A227188
[ 0, 0, 1, 0, 0, 1, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 2 ]
[ "nonn", "tabl", "base" ]
A051161
[ 46, 20, 9, 6, 2, 3, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 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, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn" ]
A296614
[ 1, -18, -1998, -1156356, -382624794, -177898412808, -76229340502932, -35444571049682064, -16446161396159064000, -7.832755937588034e+21, -3.761678744155186e+24, -1.8286214961859726e+27, -8.957576928141506e+29 ]
[ "sign" ]
A000487
[ 16, 272, 2880, 24576, 185856, 1304832, 8728576, 56520704, 357888000, 2230947840, 13754155008, 84134068224, 511780323328, 3100738912256, 18733264797696, 112949304754176, 680032201605120, 4090088616099840, 24582312700149760, 147669797096652800 ]
[ "nonn", "easy" ]
A323520
[ 1, 2, 3, 5, 7, 11, 13, 16, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263 ]
[ "nonn" ]
A344351
[ 1, 1, 2, 3, 4, 4, 4, 6, 8, 6, 8, 8, 11, 9, 12, 10, 16, 12, 15, 14, 17, 14, 16, 16, 21, 18, 23, 16, 26, 18, 25, 22, 28, 21, 31, 23, 29, 26, 30, 26, 37, 27, 34, 31, 37, 28, 39, 30, 43, 36, 42, 31, 49, 35, 43, 39, 47, 35, 52, 34, 49, 43, 52, 41, 59, 40, 58, 47, 58, 44, 62, 44, 60 ]
[ "nonn" ]
A000600
[ 0, 0, 0, 0, 1, 1, 3, 7, 17, 40, 102, 249, 631, 1594, 4074, 10443, 26981, 69923, 182158, 476141, 1249237, 3287448, 8677074, 22962118, 60915508, 161962845, 431536102, 1152022025, 3081015684, 8253947104, 22147214029, 59514474967 ]
[ "nonn", "easy", "nice" ]
A297715
[ 4, 34, 145, 747, 4090, 21116, 110551, 582755, 3055652, 16036278, 84225551, 442157803, 2321279598, 12187515422, 63986012963, 335934438957, 1763713210610, 9259764998068, 48615161059469, 255237152397199, 1340034403055100 ]
[ "nonn" ]
A198679
[ 2, 4, 9, 9, 6, 0, 7, 6, 0, 4, 3, 2, 0, 0, 5, 6, 6, 0, 4, 3, 6, 8, 1, 2, 6, 2, 8, 5, 6, 1, 8, 0, 4, 3, 2, 1, 8, 2, 4, 3, 7, 2, 3, 8, 5, 6, 7, 4, 0, 0, 3, 1, 7, 2, 2, 7, 3, 3, 7, 1, 4, 1, 8, 1, 3, 5, 8, 0, 1, 7, 5, 3, 0, 5, 1, 8, 0, 6, 0, 8, 8, 8, 8, 1, 9, 0, 5, 6, 6, 5, 4, 4, 7, 1, 4, 7, 5, 3, 8 ]
[ "nonn", "cons" ]
A113387
[ 1, 6, 1, 48, 15, 1, 605, 255, 24, 1, 11196, 5630, 624, 33, 1, 280440, 159210, 19484, 1155, 42, 1, 8981460, 5584635, 731664, 46541, 1848, 51, 1, 353283128, 236051661, 32532732, 2173248, 91175, 2703, 60, 1, 16567072675, 11741443007, 1683566556 ]
[ "nonn", "tabl" ]
A263418
[ 1, 6, 21, 51, 106, 201, 361, 626, 1061, 1771, 2926, 4801, 7841, 12766, 20741, 33651, 54546, 88361, 143081, 231626, 374901, 606731, 981846, 1588801, 2570881, 4159926, 6731061, 10891251, 17622586, 28514121, 46137001, 74651426, 120788741, 195440491, 316229566 ]
[ "nonn", "easy" ]
A031604
[ 65, 1789, 3413, 5410, 5557, 5857, 8221, 11833, 12269, 14866, 15601, 19058, 19333, 19889, 24077, 24697, 25325, 30025, 31417, 35498, 35873, 36629, 37778, 41429, 42241, 43889, 45146, 55597, 56537, 57485, 58441, 60377, 62962, 63962, 64465, 67010, 70258 ]
[ "nonn" ]
A028691
[ 1, 2, 3, 5, 4, 7, 11, 13, 17, 19, 9, 23, 29, 31, 37, 8, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 15, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257 ]
[ "nonn" ]
A273274
[ 1, 5, 17, 37, 61, 101, 121, 173, 217, 325, 337, 441, 497, 609, 657, 785, 809, 1041, 1121, 1245, 1357, 1585, 1641, 1753, 1837, 2089, 2293, 2417, 2617, 2817, 2965, 3137, 3297, 3641, 3933, 4181, 4441, 4721, 4825, 5213, 5273, 5613, 5941, 6197, 6485, 6605, 7101 ]
[ "nonn", "easy" ]
A190572
[ 6, 8, 9, 10, 10, 11, 11, 12, 12, 13, 14, 14, 15, 15, 16, 16, 16, 17, 18, 19, 20, 20, 21, 22, 22, 22, 22, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 31, 31, 31, 31, 32, 32, 33, 33, 34, 34, 34, 34, 35, 35, 35 ]
[ "nonn" ]
A029414
[ 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 3, 2, 3, 2, 4, 2, 4, 3, 5, 3, 6, 4, 6, 4, 7, 5, 8, 6, 9, 6, 10, 7, 11, 8, 12, 9, 13, 10, 15, 11, 16, 12, 17, 13, 19, 15, 21, 16, 22, 17, 24, 19, 26, 21, 28, 22, 30, 24, 32 ]
[ "nonn", "easy" ]
A167850
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1 ]
[ "easy", "nonn", "tabf" ]
A278769
[ 1, 1, 8, 26, 88, 269, 843, 2456, 7115, 19892, 54756, 147355, 390517, 1017091, 2612670, 6617641, 16556913, 40933339, 100104289, 242276236, 580718077, 1379161494, 3247074738, 7581837910, 17564867853, 40388447308, 92206496318, 209069338580, 470944571003, 1054178579266, 2345477963043, 5188246121144, 11412352653001 ]
[ "nonn" ]
A252731
[ 1, 1, -3, 2, -2, -1, -4, -3, 6, 8, 2, -3, 4, -5, 0, 5, -1, -6, -1, -4, 0, -10, 6, 0, -3, 6, -6, 3, 8, 3, -4, -4, 12, -1, -3, 15, -4, 4, -2, 2, 1, 6, -18, 0, -9, -8, 5, -24, -7, 2, 18, 8, -6, 6, 2, -1, -15, 9, 8, 12, 1, 0, 3, -16, -10, -6, 16, 15, 9, 14, 0, 4 ]
[ "sign" ]
A085671
[ 1, 3, 1, 3, 2, 6, 1, 6, 8, 7, 5, 1, 8, 2, 2, 2, 8, 3, 4, 0, 4, 8, 9, 9, 5, 4, 9, 4, 9, 6, 7, 8, 5, 5, 6, 4, 1, 9, 1, 5, 2, 8, 0, 0, 8, 5, 6, 7, 0, 3, 4, 8, 3, 7, 4, 7, 1, 9, 0, 6, 3, 5, 1, 4, 8, 3, 7, 1, 9, 4, 9, 0, 1, 5, 0, 9, 1, 8, 7, 2, 2, 0, 9, 3, 6, 2, 0, 0, 4, 0, 6, 2, 7, 7, 2, 9, 2, 3, 9 ]
[ "cons", "nonn" ]
A244802
[ 1, 10, 43, 100, 181, 286, 415, 568, 745, 946, 1171, 1420, 1693, 1990, 2311, 2656, 3025, 3418, 3835, 4276, 4741, 5230, 5743, 6280, 6841, 7426, 8035, 8668, 9325, 10006, 10711, 11440, 12193, 12970, 13771, 14596, 15445, 16318, 17215, 18136, 19081, 20050, 21043, 22060, 23101, 24166, 25255 ]
[ "nonn", "easy" ]
A128682
[ 1, 5, 505, 5905, 596405, 1971005, 199071505, 515151005, 581457505, 618181105, 2327756905, 11855474405, 19555113485, 31361954905, 101901244565, 235103447405, 305354088005, 395331063745, 600905819065, 608393336905, 686701313405, 730071885005 ]
[ "nonn" ]
A319245
[ 0, 1, 17, 37, 77, 197, 513, 993, 1837, 2617, 2637, 4097, 5437, 65537, 261633, 364137, 437837, 2097153, 16777217, 32761917, 54644032237, 68719476737, 137438953473, 1099511627777 ]
[ "nonn", "more" ]
A064275
[ 1, 2, 3, 4, 6, 5, 10, 7, 11, 8, 19, 9, 21, 12, 14, 15, 27, 13, 33, 16, 22, 20, 42, 17, 37, 23, 34, 24, 54, 18, 56, 28, 38, 29, 44, 25, 65, 35, 45, 30, 73, 26, 82, 39, 46, 43, 89, 31, 83, 40, 58, 47, 102, 36, 74, 48, 66, 55, 109, 32, 111, 57, 67, 59, 91, 41, 128, 60, 86, 49, 130, 50, 132, 68, 75, 69, 112, 51, 149, 61 ]
[ "nonn", "look", "easy" ]
A016650
[ 3, 2, 9, 5, 8, 3, 6, 8, 6, 6, 0, 0, 4, 3, 2, 9, 0, 7, 4, 1, 8, 5, 7, 3, 5, 7, 1, 0, 7, 6, 7, 5, 7, 7, 1, 1, 3, 9, 4, 2, 4, 7, 1, 6, 7, 3, 4, 6, 8, 2, 4, 8, 3, 5, 5, 2, 0, 4, 0, 8, 3, 0, 0, 0, 9, 1, 2, 4, 8, 2, 8, 7, 9, 6, 5, 5, 8, 2, 6, 9, 0, 0, 6, 2, 0, 8, 4, 7, 2, 6, 4, 4, 4, 1, 1, 9, 6, 2, 6 ]
[ "nonn", "cons" ]
A103554
[ 4, 0, 8, 0, 0, 4, 4, 0, 5, 3, 7, 4, 3, 8, 1, 0, 0, 7, 9, 7, 7, 8, 0, 0, 5, 3, 1, 4, 4, 0, 0, 9, 9, 0, 1, 2, 1, 5, 0, 4, 5, 1, 4, 1, 6, 9, 0, 7, 6, 0, 7, 5, 4, 7, 9, 6, 0, 6, 4, 5, 7, 8, 6, 4, 5, 0, 5, 7, 3, 7, 0, 4, 2, 6, 6, 9, 3, 6, 6, 3, 2, 7, 4, 3, 8, 2, 6, 4, 5, 0, 6, 3, 6, 2, 9, 3, 7, 9, 6, 4, 7, 5, 7, 4, 7, 1 ]
[ "nonn", "cons" ]
A316684
[ 0, 209, 2000, 62314, 1591947, 43037698, 1155724711, 31086640568, 836374058655, 22504657178375, 605524917825416, 16293346116194776, 438413660714386370, 11796679681729376000, 317420954784579400000, 8.541051272153616e+21 ]
[ "nonn" ]
A002133
[ 0, 0, 1, 2, 5, 6, 11, 13, 17, 22, 27, 29, 37, 44, 44, 55, 59, 68, 71, 81, 82, 102, 97, 112, 109, 136, 126, 149, 141, 168, 157, 188, 176, 212, 182, 231, 207, 254, 230, 266, 241, 300, 259, 319, 283, 344, 295, 373, 311, 386, 352, 417, 353, 452, 368, 460, 418, 492, 413 ]
[ "nonn", "look", "easy" ]
A388703
[ 8, 8, 1, 2, 3, 1, 3, 9, 4, 7, 9, 9, 6, 1, 5, 5, 8, 3, 4, 4, 7, 7, 5, 8, 4, 7, 2, 5, 2, 1, 0, 1, 9, 0, 8, 6, 3, 9, 2, 6, 2, 2, 1, 7, 4, 6, 8, 0, 1, 7, 1, 6, 2, 7, 8, 8, 9, 4, 8, 5, 4, 3, 2, 9, 7, 4, 7, 8, 9, 6, 4, 9, 9, 1, 7, 2, 2, 2, 4, 7, 3, 3, 9, 3, 2, 7, 3 ]
[ "nonn", "cons", "easy" ]
A024848
[ 19, 53, 103, 169, 251, 349, 463, 593, 739, 901, 1101, 1299, 1537, 1769, 2045, 2311, 2625, 2925, 3277, 3611, 4001, 4369, 4797, 5199, 5665, 6101, 6605, 7075, 7617, 8121, 8701, 9301, 9859, 10497, 11155, 11765, 12461, 13177, 13839, 14593, 15367, 16081, 16893, 17725 ]
[ "nonn" ]
A076901
[ 1, 1, 1, 4, 21, 96, 520, 3795, 32053, 284368, 2763876, 30648465, 373339824, 4833294389, 67167087793, 1009753574739, 16215467043493, 275361718915824, 4947532173402532, 94054153646919220, 1882793796608183300, 39528099512321900000, 869222284280777700000 ]
[ "nonn" ]
A072128
[ 16, 64, 128, 512, 512, 2048, 0, 6656, 0, 12288, 512, 36864, 512, 0, 0, 106496, 0, 24576, 0, 215040, 0, 8192, 0, 786432, 0 ]
[ "nonn", "nice", "more" ]
A158816
[ 7, 80929, 1390916281, 2475486361, 4.800921529305265e+79, 6.263224726370421e+149 ]
[ "fini", "full", "nonn" ]
A023700
[ 8, 17, 20, 23, 24, 25, 35, 44, 47, 50, 51, 52, 56, 59, 60, 61, 65, 68, 69, 70, 72, 73, 75, 76, 89, 98, 101, 104, 105, 106, 116, 125, 128, 131, 132, 133, 137, 140, 141, 142, 146, 149, 150, 151, 153, 154, 156, 157, 164, 167, 168 ]
[ "nonn", "base", "easy" ]
A248099
[ 1, 4, 216, 2428912656, 8.453950244716814e+46 ]
[ "nonn" ]
A030462
[ 2, 31513, 32423, 37273, 37573, 78887, 1120211, 1123211, 1160611, 1178711, 1262621, 1273721, 1311131, 1335331, 1444441, 1548451, 1557551, 1600061, 1761671, 1826281, 1884881, 3233323, 3558553, 3621263, 7057507, 7084807 ]
[ "nonn", "base" ]
A195462
[ 1, 3, 22, 600, 78912, 60963840, 325173657600, 13743074967552000, 5.190968541142057e+21, 1.950284730050677e+28, 8.026540066972679e+35, 3.950820503960187e+44 ]
[ "nonn", "easy" ]
A218306
[ 1, 2, 20, 392, 11648, 466112, 23517824, 1434077696, 102618951680, 8432793964544, 782753794531328, 81007725700038660, 9249066952457585000, 1.1549529757180913e+21, 1.565883714281341e+23, 2.2908199202756436e+25, 3.597006040171206e+27 ]
[ "nonn" ]
A042542
[ 28, 85, 113, 198, 2687, 2885, 5572, 19601, 1103228, 3329285, 4432513, 7761798, 105335887, 113097685, 218433572, 768398401, 43248744028, 130514630485, 173763374513, 304278004998, 4129377439487, 4433655444485, 8563032883972, 30122754096401, 1695437262282428 ]
[ "nonn", "frac", "easy" ]
A115735
[ 193, 3112771, 715941137, 92916453689 ]
[ "base", "nonn" ]
A125542
[ 1, 9, 5987, 299369303, 1119629504911493, 3.1336560714962455e+23, 6.563186624029433e+33, 1.0286477666057808e+46 ]
[ "nonn" ]
A329597
[ 0, 1, 12, 13, 48, 60, 61, 124, 172, 184, 185, 255, 379, 427, 439, 440, 456, 711, 742, 835, 883, 895, 896, 1128, 1198, 1453, 1577, 1625, 1629, 1637, 1638, 1870, 2260, 2326, 2581, 2705, 2753, 2757, 2765, 2766, 3036, 3499, 3889, 3955, 3972, 4210, 4334, 4382, 4394, 4395 ]
[ "nonn" ]
A258465
[ 1, 56, 1762, 41143, 795657, 13499449, 208050040, 2979881876, 40300054520, 520576172762, 6478447651345, 78185947269684, 919805200917658, 10591351937396242, 119764715367192460, 1333512940732309800, 14652754322423702000, 159182411488944520000 ]
[ "nonn" ]
A101382
[ 0, 3, 196, 4418, 43320, 257645, 1108828, 3810996, 11105328, 28524615, 66322740, 142270678, 285547496, 541981713, 980925260, 1704069160, 2856536928, 4640618571, 7332534948, 11302649130, 17039568280, 25178606453, 36535105596, 52143138908, 73300147600 ]
[ "nonn", "easy" ]
A182376
[ 0, 0, 0, 1, 2, 1, 0, 5, 4, 7, 0, 5, 0, 0, 2, 0, 0, 13, 0, 0, 10, 0, 0, 0, 22, 0, 20, 25, 0, 7, 0, 0, 10, 0, 32, 5, 0, 35, 20, 0, 0, 25, 0, 0, 22, 0, 0, 5, 0, 47, 46, 0, 0, 35, 0, 0, 40, 0, 0, 1, 0, 0, 10, 0, 0, 35, 0, 0, 0, 0, 0, 25, 0, 0, 14, 0, 0, 5, 0, 77 ]
[ "nonn", "look" ]
A074032
[ 0, 0, 1, 4, 12, 40, 144, 512, 1813, 6528, 23808, 87380, 322560, 1198080, 4473647, 16777216, 63160320, 238605640, 904200192, 3435973836, 13089411609, 49977753600, 191219367936, 733007751680, 2814749599332, 10825959997440, 41699995927744, 160842843834660 ]
[ "nice", "nonn" ]
A229774
[ 2, 3, 6, 4, 22, 20, 5, 60, 322, 70, 6, 135, 3232, 12958, 252, 7, 266, 21331, 1058494, 2179956, 924, 8, 476, 103222, 35452250, 3062815568, 1976588468, 3432, 9, 792, 397460, 637396928, 843211336888, 90462380211862, 10811999412826, 12870, 10 ]
[ "nonn", "tabl" ]
A128836
[ 1, 4, 7, 11, 54, 55, 115, 146, 157, 234, 239, 951, 272732, 419192, 7626972, 38355152 ]
[ "hard", "more", "nonn" ]
A321455
[ 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3 ]
[ "nonn" ]
A231425
[ 1, 1, -1, 1, 1, -2, 1, -1, 1, -1, 1, 1, 1, 1, -4, 1, -1, -2, -1, 1, 2, 1, 1, 1, 1, 1, 1, -6, 1, -1, 1, -1, 1, -1, 1, -1, 1, 1, -2, 1, 1, -2, 1, 1, -2, 1, -1, 1, -1, -4, -1, 1, -1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -10, 1, -1, -2, -1, 1, 2, 1, -1, -2, -1, 1, 2 ]
[ "sign", "tabl" ]
A214223
[ 1, 2, 12, 124, 1800, 33606, 766976, 20689208, 643996800, 22719618250, 895853071872, 39043448067636, 1863697724715008, 96698693656306580, 5418685033626993000, 326140667283301400000, 2.098372278508854e+22, 1.4371917034934038e+24, 1.0440057782004068e+26 ]
[ "nonn" ]
A347566
[ 72, 2293, 15304, 47314, 112535, 190665, 368474, 577623, 925336, 1164976, 1478492, 2051830, 2240745, 3789424, 4989958, 4672559, 4467275, 7104589, 6548335, 13844524, 13580094, 10633142, 10451326, 20262957, 16621976, 18697914, 25613090, 27523671 ]
[ "nonn" ]
A149091
[ 1, 1, 4, 8, 31, 83, 309, 977, 3571, 12395, 45458, 165876, 617495, 2316191, 8773838, 33493548, 128840353, 498456315, 1941252054, 7594394344, 29871433149, 117966578225, 467857554197, 1862361268887, 7438937047067, 29811320860773, 119819502795074, 482960010597006, 1951744104721491 ]
[ "nonn", "walk" ]
A101853
[ 6, 18, 37, 64, 100, 146, 203, 272, 354, 450, 561, 688, 832, 994, 1175, 1376, 1598, 1842, 2109, 2400, 2716, 3058, 3427, 3824, 4250, 4706, 5193, 5712, 6264, 6850, 7471, 8128, 8822, 9554, 10325, 11136, 11988, 12882, 13819, 14800 ]
[ "easy", "nonn" ]
A146709
[ 1, 1, 1, 1, 1, 7, 21, 51, 237, 1129, 8811, 85099, 859569, 10699439, 171553261, 3455226259, 90780787231, 2937046608631, 113622292506777, 5452353589454277, 328302441188610240 ]
[ "nonn" ]
A103820
[ 1, 4, 16, 61, 232, 880, 3337, 12652, 47968, 181861, 689488, 2614048, 9910609, 37573972, 142453744, 540083149, 2047610680, 7763081488, 29432076505, 111585473980, 423052651456, 1603914376309, 6080901083296, 23054446378816 ]
[ "easy", "nonn" ]
A329490
[ 1, 0, 85, 156, 2928, 10880, 101040, 512500, 3706880, 21434424, 142567200, 873807820, 5667708960, 35731836120, 230763023408, 1477455187500, 9565561745040, 61835264112640, 402074969960400, 2616685548364056, 17090016552803440, 111789735908403600 ]
[ "nonn" ]
A382318
[ 1, 0, 1, 3, 9, 25, 72, 213, 635, 1950, 6036, 19021, 60429, 194172, 628384, 2049225, 6722658, 22178631, 73523028, 244805574, 818317630, 2745167418, 9238878207, 31185404902, 105550046640, 358134472293, 1217955671785, 4150882760334, 14174481594375, 48492262770919, 166181651660136, 570415046251962 ]
[ "nonn" ]
A124215
[ 1, 2, 14, 166, 2742, 57734, 1475078, 44279414, 1526285814, 59383786278, 2573408251366, 122892818420310, 6411057873364822, 362707216829623040, 22117095828202630000, 1.44593236933759e+21, 1.0088414482033209e+23, 7.481824780607158e+24 ]
[ "nonn" ]
A096053
[ 1, 13, 121, 1093, 9841, 88573, 797161, 7174453, 64570081, 581130733, 5230176601, 47071589413, 423644304721, 3812798742493, 34315188682441, 308836698141973, 2779530283277761, 25015772549499852, 225141952945498700, 2026277576509488000, 18236498188585394000 ]
[ "nonn", "easy", "changed" ]
A022872
[ 2, 2, 1, 2, 3, 2, 3, 4, 4, 6, 7, 9, 11, 14, 19, 23, 31, 40, 51, 66, 86, 113, 146, 191, 250, 326, 427, 556, 727, 952, 1244, 1627, 2129, 2784, 3643, 4765, 6234, 8157, 10673, 13963, 18271, 23908, 31281, 40929, 53555, 70075, 91690, 119977, 156987 ]
[ "nonn" ]
A273430
[ 1, 4, 17, 28, 61, 93, 141, 157, 221, 296, 393, 405, 480, 577, 693, 733, 857, 1025, 1145, 1297, 1397, 1597, 1637, 1765, 1965, 2145, 2229, 2433, 2689, 2681, 2981, 3081, 3389, 3537, 3985, 4381, 4413, 4781, 4969, 5105, 5421, 5693, 6073, 6165, 6525, 6725, 7101 ]
[ "nonn", "easy" ]
A224156
[ 22, 169, 702, 2271, 6786, 20065, 60214, 184233, 575410, 1833641, 5947567, 19579806, 65205152, 219009930, 740080588, 2511332286, 8545644419, 29133026750, 99436525669, 339656225391, 1160767044395, 3968114261421, 13567722769117 ]
[ "nonn" ]
A226142
[ 1, 1, 2, 3, 3, 4, 4 ]
[ "nonn", "hard", "more", "nice" ]
A010176
[ 10, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1, 6, 1, 1, 20, 1, 1 ]
[ "nonn", "cofr", "easy" ]
A356230
[ 0, 1, 1, 2, 1, 2, 1, 4, 2, 3, 1, 4, 1, 3, 2, 8, 1, 4, 1, 5, 3, 3, 1, 8, 2, 3, 4, 5, 1, 4, 1, 16, 3, 3, 2, 8, 1, 3, 3, 9, 1, 5, 1, 5, 4, 3, 1, 16, 2, 6, 3, 5, 1, 8, 3, 9, 3, 3, 1, 8, 1, 3, 5, 32, 3, 5, 1, 5, 3, 6, 1, 16, 1, 3, 4, 5, 2, 5, 1, 17, 8, 3, 1, 9, 3 ]
[ "nonn" ]
A253651
[ 0, 3, 6, 15, 21, 45, 66, 78, 105, 190, 210, 231, 435, 465, 630, 861, 903, 1035, 1326, 2415, 2556, 2628, 3003, 3570, 4005, 4950, 5460, 5565, 5995, 7140, 8646, 8778, 9870, 12246, 16471, 16836, 17205, 17391, 17766, 20100, 22155, 26565, 26796, 28680, 28920, 30381, 32131, 33411, 33930, 36856 ]
[ "nonn" ]
A181040
[ 1, 3, 18, 410, 18708, 2894405, 990192011, 1043072889128, 2618513670862020, 19025225311119315000, 3.457635535845762e+23 ]
[ "nonn" ]
A111208
[ 0, 0, 2, 3, 4, 6, 8, 9, 11, 14, 16, 18, 21, 24, 27, 30, 32, 36, 39, 42, 46, 50, 54, 58, 62, 66, 70, 74, 79, 84, 90, 94, 99, 102, 108, 114, 121, 126, 131, 137, 141, 149, 154, 160, 166, 174, 180, 188, 193, 200, 205, 216, 220, 226, 235, 242, 250, 259, 267, 274, 281, 290 ]
[ "nonn" ]
A172924
[ 0, 3, 1216, 9231031, 517724571330, 165121260897866940, 2.4513492302516107e+23, 1.4466560165339717e+30, 2.981638106227087e+37 ]
[ "nonn" ]
A295207
[ 1, 2, 10, 147, 9536, 1245294, 444447937, 436106162865, 1123957773816109, 7694570450089060000, 1.400763946917475e+23 ]
[ "nonn" ]
A157228
[ 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0 ]
[ "nonn" ]
A125712
[ 2, 8, 12, 32, 960, 12288, 40320, 1296384, 13862592, 126186000, 4703871392, 153495217056, 4312093043076, 225409456295800, 7671288697001460 ]
[ "nonn", "more" ]
A371524
[ 1, 4, 20, 124, 936, 8424, 88648, 1072432, 14702720, 225692128, 3839770656, 71780577312, 1463532416320, 32337850727680, 770039603953664, 19664621381714944, 536234348295180300, 15554459021934424000, 478297493455731950000, 1.5543431292269887e+22 ]
[ "nonn" ]
A307801
[ 3, 0, 0, 1, 0, 0, 0, 0, 4, 0, 0, 2, 3, 1, 0, 1, 0, 0, 1, 0 ]
[ "nonn", "base", "more" ]
A277222
[ 1, 1, 2, 6, 22, 86, 343, 1374, 5497, 21926, 87176, 345612, 1366960, 5396604, 21275618, 83793268, 329791425, 1297428774, 5103039279, 20069815052, 78936685887, 310509337760, 1221686293926, 4807894697586, 18926706307263, 74529761736076, 293579002631157, 1156815016422286 ]
[ "nonn" ]
A101347
[ 1, 1, 1, 1, 4, 1, 6, 3, 1, 8, 10, 1, 10, 20, 5, 1, 12, 33, 20, 1, 14, 49, 49, 7, 1, 16, 68, 96, 34, 1, 18, 90, 165, 99, 9, 1, 20, 115, 260, 225, 52, 1, 22, 143, 385, 440, 176, 11, 1, 24, 174, 544, 777, 456, 74, 1, 26, 208, 741, 1274, 1001, 286, 13, 1, 28, 245, 980, 1974, 1960 ]
[ "nonn", "tabf" ]
A349739
[ 1, 4, 31, 310, 3925, 58936, 1032979, 20600266, 461742985 ]
[ "nonn", "more" ]
A307913
[ 0, 1, 2, 4, 5, 7, 8, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 24, 25, 27, 28, 40, 41, 42, 44, 45, 47, 48, 50, 51, 52, 54, 55, 57, 58, 70, 71, 72, 74, 75, 77, 78, 80, 81, 82, 84, 85, 87, 88, 100, 101, 102, 104, 105, 107, 108, 110, 111, 112, 114, 115, 117, 118, 120 ]
[ "nonn", "easy", "base" ]
A220533
[ 4, 9, 8, 15, 12, 35, 14, 27, 20, 33, 24, 65, 26, 45, 32, 45, 36, 77, 38, 63, 44, 63, 46, 95, 48, 69, 56, 87, 60, 187, 62, 93, 64, 105, 72, 175, 74, 117, 80, 123, 84, 215, 86, 117, 92, 135, 94, 245, 96, 153, 104, 141, 106, 245, 108, 165, 116 ]
[ "nonn" ]
A368500
[ 1, 0, 2, 0, 2, 4, 0, 2, 20, 2, 0, 2, 76, 42, 0, 2, 252, 466, 0, 2, 788, 4110, 140, 0, 2, 2374, 32388, 5556, 0, 2, 6938, 236966, 118974, 0, 2, 19778, 1652490, 1952530, 4000, 0, 2, 55222, 11173264, 28078784, 609528, 0, 2, 151462, 74003396, 370327224, 34519516 ]
[ "nonn", "tabf" ]
A235556
[ 256, 2612, 23024, 180640, 1321956, 9182760, 61590128, 402719344, 2587649440, 16427598848, 103462837312, 648431897408, 4052631770944, 25299606268544, 157920835375104, 986393232739328, 6167644453234432, 38615919748243970 ]
[ "nonn" ]
A063834
[ 1, 1, 3, 6, 15, 28, 66, 122, 266, 503, 1027, 1913, 3874, 7099, 13799, 25501, 48508, 88295, 165942, 299649, 554545, 997281, 1817984, 3245430, 5875438, 10410768, 18635587, 32885735, 58399350, 102381103, 180634057, 314957425, 551857780, 958031826, 1667918758 ]
[ "nonn", "nice" ]
A047265
[ 1, -1, 1, 0, -2, 1, 0, 1, -3, 1, -1, 0, 3, -4, 1, 0, -2, -1, 6, -5, 1, -1, 2, -3, -4, 10, -6, 1, 0, -2, 6, -3, -10, 15, -7, 1, 0, 2, -6, 12, 0, -20, 21, -8, 1, 0, 1, 6, -16, 19, 9, -35, 28, -9, 1, 0, 0, 0, 16, -35, 24, 28, -56, 36, -10, 1, -1, 2, -3, -6, 40, -65, 21, 62, -84, 45, -11, 1 ]
[ "sign", "easy", "nice", "tabl" ]