id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A249724
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 14, 16, 17, 20, 22, 23, 24, 25, 26, 28, 30, 32, 33, 34, 35, 36, 38, 40, 41, 42, 44, 48, 49, 50, 51, 52, 53, 56, 57, 58, 60, 61, 62, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 76, 77, 78, 80, 84, 86, 88, 89, 92, 94, 96, 97, 98, 100, 101, 102, 104, 105, 106, 107, 108, 110, 112, 113, 114, 115, 116, 120, 121 ]
[ "nonn" ]
A147454
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 30, 13, 224, 49, 2000, 233, 18098, 1439, 209069, 14021, 3920160, 187331, 110361488, 3462054 ]
[ "nonn" ]
A202573
[ 1666015233, 233878112373, 33893365153497, 4884856784343255, 689832527025219700, 97657176595311660000 ]
[ "nonn" ]
A160734
[ 0, 1, 3, 5, 6, 8, 11, 13, 15, 19, 25, 30, 33, 38, 43, 45, 47, 51 ]
[ "more", "nonn" ]
A146704
[ 1, 1, 1, 1, 1, 1, 3, 19, 43, 75, 183, 643, 2215, 9883, 45633, 225733, 1239851, 7715029, 52987121, 415234347, 3530586371, 34390495263 ]
[ "nonn" ]
A288139
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 16, 18, 19, 20, 21, 22, 23, 25, 24, 26, 27, 29, 28, 30, 34, 31, 33, 32, 35, 36, 37, 38, 39, 41, 40, 42, 43, 45, 44, 46, 50, 47, 49, 48, 51, 53, 52, 54, 58, 55, 57, 56, 60, 68, 61, 59, 69, 62, 66, 63, 65 ]
[ "nonn", "look", "base" ]
A013248
[ 0, 0, -1, 4, -6, 0, -150, 2280, -16520, 96320, -1045800, 17316000, -244530000, 3061344000, -43372529200, 761044648000, -14257920144000, 263995016064000, -5068873669392000, 106427464573248000 ]
[ "sign" ]
A294864
[ 1, 2, 6, 9, 15, 21, 29, 38, 48, 59, 71, 84, 99, 114, 131, 148, 167, 187, 208, 230, 253, 277, 302, 328, 356, 384, 414, 444, 476, 508, 542, 576, 613, 649, 688, 726, 767, 807, 850, 892, 937, 982, 1029, 1076, 1125, 1174, 1225, 1276, 1329, 1382, 1437, 1493, 1550 ]
[ "nonn", "easy" ]
A052244
[ 1, 8, 46, 240, 1215, 6096, 30508, 152576, 762925, 3814680, 19073466, 95367408, 476837131, 2384185760, 11920928920, 59604644736, 298023223833, 1490116119336, 7450580596870, 37252902984560, 186264514923031, 931322574615408, 4656612873077316, 23283064365386880 ]
[ "easy", "nonn" ]
A241608
[ 10, 20, 40, 76, 147, 287, 556, 1077, 2091, 4057, 7868, 15264, 29613, 57445, 111438, 216184, 419380, 813563, 1578253, 3061693, 5939450, 11522085, 22351978, 43361147, 84117349, 163181309, 316559417, 614101361, 1191310271, 2311051970, 4483266305 ]
[ "nonn" ]
A208375
[ 10, 100, 240, 420, 640, 900, 1200, 1540, 1920, 2340, 2800, 3300, 3840, 4420, 5040, 5700, 6400, 7140, 7920, 8740, 9600, 10500, 11440, 12420, 13440, 14500, 15600, 16740, 17920, 19140, 20400, 21700, 23040, 24420, 25840, 27300, 28800, 30340, 31920, 33540 ]
[ "nonn" ]
A232753
[ 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14 ]
[ "nonn" ]
A297552
[ 1, 2, 4, 3, 9, 8, 5, 14, 13, 12, 6, 16, 24, 28, 76, 7, 17, 29, 44, 136, 140, 10, 18, 32, 48, 141, 200, 204, 11, 19, 33, 49, 156, 205, 460, 1228, 15, 20, 34, 50, 196, 220, 716, 2188, 2252, 21, 25, 35, 51, 201, 396, 780, 2248, 3212, 3276 ]
[ "nonn", "tabl", "base", "easy" ]
A065559
[ 2, 3, 2, 3, 2, 5, 8, 3, 2, 3, 2, 5, 8, 3, 2, 3, 2, 5, 8, 3, 2, 7, 10, 5, 8, 3, 2, 3, 2, 7, 8, 5, 6, 3, 2, 5, 14, 3, 2, 3, 2, 5, 8, 3, 2, 7, 8, 5, 6, 3, 2, 6, 21, 5, 10, 3, 2, 3, 2, 7, 8, 5, 6, 3, 2, 5, 10, 3, 2, 3, 2, 7, 14, 5, 10, 3, 2, 5, 6, 3, 2, 7, 8, 5, 6, 3, 2, 6, 6, 7, 15, 5, 22, 3, 2, 5, 14, 3, 2 ]
[ "nonn" ]
A375286
[ 1, -1, -3, 1, -1, 3, 1, -7, -3, 1, -1, -9, -11, -7, -3, 13, 11, 3, 1, -7, -3, 1, -1, 15, 19, 23, 15, 7, 5, -3, -5, -37, -33, -29, -25, -9, -11, -7, -3, 13, 11, 3, 1, -7, -15, -11, -13, -45, -41, -49, -45, -53, -55, -39, -35, -19, -15, -11, -13, 3, 1, 5, -3, 61 ]
[ "sign", "look" ]
A292486
[ 1, 7, 36, 165, 747, 3420, 15705, 72063, 330516, 1515933, 6953283, 31893516, 146289393, 671000247, 3077745156, 14117009877, 64751939163, 297004363452, 1362300384969, 6248602953135, 28661108314356, 131462846314317, 602994126047283, 2765815028667756 ]
[ "nonn", "easy" ]
A304858
[ 1, 3, 25, 387, 9474, 335586, 16227069, 1027133019, 82431484482, 8178962850738, 983083429763946, 140755187306751100, 23669632316780050000, 4.6191019945085003e+21, 1.035316517544442e+24, 2.641390387346284e+26, 7.610393163529458e+28, 2.4590219611525205e+31, 8855119878, 4.977588925435911e+23, 3.5340942946909905e+36, 1.5553435047083753e+39 ]
[ "nonn" ]
A045437
[ 3, 17, 31, 59, 73, 101, 157, 199, 227, 241, 269, 283, 311, 353, 367, 409, 479, 521, 563, 577, 619, 647, 661, 773, 787, 829, 857, 941, 983, 997, 1039, 1109, 1123, 1151, 1193, 1249, 1277, 1291, 1319, 1361, 1459, 1487, 1543, 1571, 1613, 1627, 1669, 1697, 1753 ]
[ "nonn", "easy" ]
A222326
[ 4, 32, 84, 835, 3770, 38238, 255304, 2542901, 20957580, 204487984, 1778907664, 17205177010, 154048740446, 1479151681276, 13453816185916, 128432675352749, 1180481843839956, 11227390708740364, 103971035671038560 ]
[ "nonn" ]
A074184
[ 1, 1, 2, 3, 3, 4, 5, 6, 6, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 15, 15, 16, 17, 18, 19, 19, 20, 21, 22, 22, 23, 24, 25, 26, 26, 27, 28, 29, 30, 30, 31, 32, 33, 34, 34, 35, 36, 37, 38, 38, 39, 40, 41, 42, 43, 43, 44, 45, 46, 47, 47, 48, 49, 50, 51, 51, 52, 53, 54, 55, 56, 56, 57 ]
[ "nonn", "easy" ]
A325274
[ 0, 0, 1, 5, 9, 13, 14, 20, 23, 25, 24, 30, 33, 35, 35, 40, 44, 46, 49, 51, 54, 56, 59, 61, 65, 67, 72, 75, 78, 80, 83, 85, 90, 90, 95, 97, 101, 103, 105, 106, 110, 112, 115, 117, 122, 125, 127, 129, 134, 136, 139, 140, 143, 145, 149, 153, 157, 159, 160, 162 ]
[ "nonn" ]
A309333
[ 1, 1, 4, 0, 1, 4, 1, 0, 8, 4, 1, 5, 2, 0, 4, 7, 1, 3, 2, 2, 6, 1, 1, 5, 2, 6, 5, 3, 1, 1, 0, 1, 4, 6, 1, 4, 1, 4, 9, 5, 7, 0, 0, 2, 2, 5, 1, 3, 0, 8, 4, 1, 5, 2, 18, 0, 9, 3, 1, 1, 9, 2, 4, 5, 3, 2, 6, 5, 4, 9, 3, 4, 11, 1, 1, 3, 4, 20, 0, 8, 2, 4, 3, 3, 15, 6 ]
[ "nonn" ]
A164836
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 102, 108, 114, 120, 126, 132, 138, 144, 150, 156, 162, 168, 174, 180 ]
[ "nonn", "base" ]
A111863
[ 5, 11, 17, 23, 29, 5, 41, 47, 53, 59, 5, 71, 11, 83, 89, 5, 101, 107, 113, 17, 5, 131, 137, 11, 149, 5, 23, 167, 173, 179, 5, 191, 197, 29, 11, 5, 17, 227, 233, 239, 5, 251, 257, 263, 269, 5, 281, 41, 293, 23, 5, 311, 317, 17, 47, 5, 11, 347, 353, 359, 5, 53, 29, 383, 389, 5 ]
[ "nonn", "look", "easy" ]
A273758
[ 1, 5, 5, 17, 9, 29, 17, 61, 21, 65, 53, 105, 65, 137, 81, 233, 109, 217, 129, 337, 173, 313, 257, 429, 317, 497, 341, 645, 393, 701, 469, 777, 697, 733, 705, 1005, 689, 845, 841, 1165, 929, 1233, 1109, 1213, 1101, 1241, 1325, 1521, 1657, 1693, 1553, 1885 ]
[ "nonn", "easy" ]
A033556
[ 3, 4, 5, 7, 9, 11, 15, 17, 21, 23, 27, 31, 33, 35, 39, 41, 45, 47, 51, 55, 57, 61, 63, 65, 69, 71, 75, 77, 81, 83, 87, 91, 93, 97, 105, 107, 111, 113, 117, 121, 129, 131, 135, 139, 141, 143, 147, 155, 159, 161, 165 ]
[ "nonn", "easy", "nice" ]
A233057
[ 567, 12943, 230008, 3388003, 42636091, 469323351, 4607489801, 40982900059, 334422112594, 2527496746520, 17840951367541, 118449958746452, 743824605320424 ]
[ "nonn" ]
A037062
[ 1, 3, 102, 733, 14319, 45741, 1004275, 3313338, 169807396, 259770566, 20255937351, 21366409911, 196256438549, 10949682060338, 16876678891444, 1376534319069676, 13702579963679832, 13947379867469644, 360360819534753700, 3421022095727841000, 93257415087729400000, 113268191247939450000 ]
[ "nonn", "base", "hard" ]
A017075
[ 0, 8589934592, 17592186044416, 1521681143169024, 36028797018963970, 419430400000000000, 3116402981210161000, 16985107389382394000, 73786976294838210000, 269561249468963100000, 858993459200000000000 ]
[ "nonn", "easy" ]
A161278
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 4, 2, 4, 4, 5, 4, 7, 5, 7, 7, 8, 7, 12, 9, 11, 12, 14, 12, 16, 14, 17, 17, 18, 17, 24, 20, 23, 24, 27, 25, 30, 27, 32, 32, 33, 32, 41, 36, 41, 42, 48, 45, 54, 50, 60, 59, 65, 63, 80, 72, 83, 84, 97, 92, 109, 105, 122, 120, 134, 131, 157, 149, 169 ]
[ "nonn" ]
A215969
[ 0, 0, 0, 0, 1, 16, 64 ]
[ "nonn" ]
A142890
[ 2, 191, 317, 443, 569, 821, 947, 1451, 2081, 2207, 2333, 2459, 2711, 2837, 2963, 3089, 3467, 3593, 3719, 4349, 5231, 5483, 5861, 5987, 6113, 6491, 6869, 7121, 7247, 7499, 7877, 9011, 9137, 9767, 10271, 11027, 11279, 11657, 11783, 11909, 12161, 12413, 12539 ]
[ "nonn", "easy" ]
A330749
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 5, 4, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 2, 1, 1, 1, 5, 1, 4, 1, 1, 3, 1, 7, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 15 ]
[ "nonn" ]
A284090
[ 1, 3, 7, 15, 23, 55, 127, 255, 503, 1015, 1919, 3967, 6007, 14199, 32767, 65535, 131063, 262135, 524159, 1048447, 2094967, 4192119, 8355839, 16744447, 32997367, 66551799, 125796223, 260013951, 393705335, 930576247, 2147483647, 4294967295, 8589934583 ]
[ "nonn", "easy" ]
A280927
[ 1735, 2469, 4341, 4569, 4989, 5469, 5637, 5961, 6879, 7149, 7407, 8675, 9969, 11569, 12949, 13057, 13089, 13707, 15829, 15969, 16407, 18597, 18969, 19959, 20109, 20487, 20721, 21081, 21309, 21729, 22107, 22221, 22513, 23469, 24355, 25269, 25617, 26305, 27021 ]
[ "nonn" ]
A291108
[ 0, 0, 0, 4, 0, 13, 0, 20, 9, 29, 0, 65, 0, 53, 34, 84, 0, 130, 0, 145, 58, 125, 0, 273, 25, 173, 90, 265, 0, 399, 0, 340, 130, 293, 74, 614, 0, 365, 178, 609, 0, 735, 0, 625, 340, 533, 0, 1105, 49, 754, 298, 865, 0, 1183, 146, 1113, 370, 845, 0, 1859, 0, 965, 580, 1364, 194, 1743, 0, 1465, 538, 1599, 0, 2550, 0, 1373, 884 ]
[ "nonn" ]
A116871
[ 42, 174, 645, 2333, 8398, 30275, 109550, 398180, 1453908, 5332407, 19639521, 72616727, 269473750, 1003347975, 3747412770, 14036374680, 52714429260, 198459284400, 748867149234, 2831788492218, 10729442739596 ]
[ "nonn", "easy" ]
A326256
[ 667, 989, 1334, 1633, 1769, 1817, 1978, 2001, 2021, 2323, 2461, 2623, 2668, 2967, 2987, 3197, 3266, 3335, 3538, 3634, 3713, 3749, 3956, 3979, 4002, 4042, 4171, 4331, 4379, 4429, 4439, 4577, 4646, 4669, 4747, 4819, 4859, 4899, 4922, 4945, 5029, 5246, 5267, 5307 ]
[ "nonn" ]
A031481
[ 35, 71, 107, 143, 179, 191, 197, 203, 209, 211, 212, 213, 214, 287, 323, 359, 395, 407, 413, 419, 425, 427, 428, 429, 430, 503, 539, 575, 611, 623, 629, 635, 641, 643, 644, 645, 646, 719, 755, 791, 827, 839, 845, 851, 857, 859 ]
[ "nonn", "base" ]
A231473
[ 1, 2, 1, 2, 1, 4, 1, 4, 4, 1, 6, 9, 1, 6, 18, 1, 8, 28, 10, 1, 8, 42, 28, 1, 10, 57, 76, 1, 10, 76, 140, 25, 1, 12, 96, 254, 107, 1, 12, 120, 392, 321, 1, 14, 145, 600, 731, 70, 1, 14, 174, 840, 1462, 366, 1, 16, 204, 1170, 2610, 1308, 1, 16, 238, 1540, 4350, 3416, 196 ]
[ "tabf", "nonn" ]
A273403
[ 2, 31, 103, 617, 10253, 10691, 35353, 129587, 556441 ]
[ "nonn", "more", "hard" ]
A097933
[ 11, 13, 23, 37, 47, 59, 61, 71, 73, 83, 97, 107, 109, 131, 157, 167, 179, 181, 191, 193, 227, 229, 239, 241, 251, 263, 277, 311, 313, 337, 347, 349, 359, 373, 383, 397, 409, 419, 421, 431, 433, 443, 457, 467, 479, 491, 503, 541, 563, 577, 587, 599, 601, 613 ]
[ "nonn" ]
A381691
[ 8, 6, 0, 1, 5, 1, 2, 9, 1, 9, 2, 9, 0, 0, 5, 7, 3, 6, 9, 3, 4, 9, 8, 8, 7, 1, 7, 5, 5, 1, 1, 0, 4, 8, 0, 7, 6, 6, 8, 1, 6, 4, 2, 5, 3, 4, 6, 3, 9, 7, 9, 6, 5, 5, 6, 9, 0, 2, 5, 9, 7, 6, 2, 8, 7, 5, 7, 5, 0, 9, 1, 7, 9, 5, 8, 3, 2, 0, 3, 3, 6, 1, 1, 4, 0, 3, 1, 3, 6, 0 ]
[ "nonn", "cons", "easy" ]
A202191
[ 1, 1, 1, 1, 2, 1, 2, 3, 3, 1, 3, 6, 6, 4, 1, 4, 11, 13, 10, 5, 1, 6, 18, 27, 24, 15, 6, 1, 9, 30, 51, 55, 40, 21, 7, 1, 13, 50, 94, 116, 100, 62, 28, 8, 1, 19, 81, 171, 234, 231, 168, 91, 36, 9, 1, 28, 130, 303, 460, 505, 420, 266, 128, 45, 10, 1, 41, 208 ]
[ "nonn", "tabl" ]
A242554
[ 1, 1, 4, 3, 6, 5, 6, 7, 22, 13, 16, 5, 8, 5, 14, 11, 10, 7, 16, 31, 8, 9, 10, 11, 38, 29, 10, 9, 22, 61, 20, 5, 4, 3, 16, 11, 6, 25, 28, 7, 6, 17, 16, 1, 46, 9, 58, 61, 22, 41, 92, 3, 14, 19, 14, 23, 56, 37, 20, 109, 6, 121, 10, 39, 4, 67, 34, 11, 26, 9, 30, 11, 12, 1 ]
[ "nonn" ]
A027284
[ 5, 28, 167, 1024, 6359, 39759, 249699, 1573524, 9943905, 62994733, 399936573, 2543992514, 16210331727, 103453402718, 661164765879, 4230874777682, 27105456280491, 173838468040879, 1115987495619427, 7170725839251598, 46113396476943240, 296773029762032000 ]
[ "nonn" ]
A317212
[ 1, 82, 537, 8433, 127358, 1987026, 31138620, 489866621, 7714180199, 121555763045, 1915847855230, 30199325155439, 476052927754775, 7504527553857425, 118303101855893570, 1864966451905451800, 29399970744074410000 ]
[ "nonn" ]
A305333
[ 1, 2, 1, 4, 1, 1, 16 ]
[ "nonn", "hard", "more" ]
A031429
[ 27, 104, 231, 408, 635, 795, 912, 1167, 1239, 1616, 1866, 2043, 2134, 2520, 2621, 3047, 3158, 3387, 3504, 3624, 4251, 4515, 4927, 4928, 5358, 5655, 6432, 7259, 7779, 8136, 9062, 9063, 9833, 9840, 10040, 10241, 10650, 11067, 11491, 12144 ]
[ "nonn" ]
A058360
[ 1, 1, 1, 2, 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 17, 19, 23, 25, 31, 33, 38, 42, 51, 57, 66, 75, 86, 97, 109, 122, 138, 155, 177, 200, 230, 253, 287, 320, 363, 405, 456, 507, 572, 639, 707, 785, 877, 971, 1079, 1198, 1334, 1476, 1635, 1802, 2002, 2213, 2445, 2700 ]
[ "nonn" ]
A012463
[ 0, 2, -16, 128, 9984, -1686528, 211630080, -21438504960, -115777536000, 1290343156285440, -677718502185369600, 262776565415742000000, -6.949955474549901e+22, -9.137401716948937e+24 ]
[ "sign" ]
A253399
[ 81, 2192, 27362, 403698, 7257328, 196170260, 4643086490, 176392793534, 7735283529732, 473507980691236, 33662526487544250, 4000330502181469000, 385260385567127040000, 7.437389436215594e+22 ]
[ "nonn" ]
A086580
[ 0, 81, 891, 8991, 89991, 899991, 8999991, 89999991, 899999991, 8999999991, 89999999991, 899999999991, 8999999999991, 89999999999991, 899999999999991, 8999999999999991, 89999999999999980, 900000000000000000, 9000000000000000000, 90000000000000000000, 900000000000000000000 ]
[ "nonn", "base", "easy" ]
A187850
[ 1, 4, 0, 9, 12, 0, 16, 56, 24, 0, 25, 132, 304, 24, 0, 36, 240, 1056, 1400, 0, 0, 49, 380, 2312, 7620, 5328, 0, 0, 64, 552, 4048, 20952, 49776, 16032, 0, 0, 81, 756, 6264, 41652, 177040, 292776, 35328, 0, 0, 100, 992, 8960, 69456, 408048, 1400168, 1533064, 49536, 0, 0 ]
[ "nonn", "tabl" ]
A133012
[ 2, 4, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118 ]
[ "easy", "nonn" ]
A341122
[ 1, 1, 2, 3, 5, 5, 8, 9, 12, 13, 17, 17, 22, 22, 26, 27, 33, 31, 39, 38, 44, 43, 51, 47, 58, 54, 63, 60, 71, 64, 79, 74, 88, 82, 99, 88, 108, 97, 116, 105, 126, 110, 134, 119, 141, 126, 153, 133, 164, 143, 172, 149, 184, 155, 194, 168, 204, 173, 215, 180, 227, 192, 238 ]
[ "nonn" ]
A323387
[ 19, 41, 109, 149, 401, 409, 419, 491, 941, 1049, 1409, 4019, 4091, 9041 ]
[ "nonn", "base", "fini", "full" ]
A092921
[ 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 2, 1, 1, 0, 1, 3, 2, 1, 1, 0, 1, 5, 4, 2, 1, 1, 0, 1, 8, 7, 4, 2, 1, 1, 0, 1, 13, 13, 8, 4, 2, 1, 1, 0, 1, 21, 24, 15, 8, 4, 2, 1, 1, 0, 1, 34, 44, 29, 16, 8, 4, 2, 1, 1, 0, 1, 55, 81, 56, 31, 16, 8, 4, 2, 1, 1, 0, 1, 89, 149, 108, 61, 32, 16, 8, 4, 2, 1, 1, 0 ]
[ "nonn", "tabl" ]
A211782
[ 1, 2, 1, 3, 3, 1, 4, 4, 3, 1, 5, 6, 5, 3, 1, 6, 7, 7, 5, 3, 1, 7, 9, 8, 7, 5, 3, 1, 8, 10, 11, 9, 7, 5, 3, 1, 9, 12, 12, 12, 9, 7, 5, 3, 1, 10, 13, 14, 13, 12, 9, 7, 5, 3, 1, 11, 15, 16, 15, 13, 12, 9, 7, 5, 3, 1, 12, 16, 18, 17, 16, 13, 12, 9, 7, 5, 3, 1, 13, 18, 19, 20, 18, 16 ]
[ "nonn", "tabl" ]
A383443
[ 1, 1, -3, -1, -1, 6, 1, 1, -10, 1, 10, 1, 1, -15, 1, 15, 1, 1, -21, 1, 1, -3, -1, -1, -1, 28, -1, -1, 3, 1, 1, 1, -36, 3, -1, -1, 36, 1, 1, 1, 1, -45, 3, -1, -1, 45, 1, 1, 1, 1, -55, 3, 1, -3, 1, -3, -1, -1, -1, -1, -1, 66, -3, -1, 3, -1, 3, 1, 1, 1, 1, 1, -78, 3, 1, 1, -3, -1, 78, 1, 1, 1, 1, 1, 1, -91, 3, 1, 1, -3, -1, 91 ]
[ "sign" ]
A256686
[ 8, 6, 9, 5, 7, 6, 4, 1, 6, 3, 8, 1, 6, 4, 0, 1, 2, 6, 6, 4, 8, 8, 7, 7, 6, 1, 6, 0, 8, 0, 4, 6, 4, 5, 8, 2, 0, 2, 7, 2, 4, 3, 8, 0, 8, 4, 9, 6, 6, 7, 2, 8, 7, 8, 3, 2, 6, 6, 5, 7, 8, 8, 6, 7, 4, 7, 7, 7, 3, 8, 7, 1, 4, 2, 7, 7, 1, 8, 5, 9, 6, 1, 5, 8, 5, 7, 0, 0, 9, 5, 9, 3, 1, 8, 6, 5, 8, 6, 8, 8, 9, 6, 3, 5 ]
[ "nonn", "cons" ]
A243910
[ 1, 3, 5, 7, 9, 13, 15, 24, 30, 39 ]
[ "nonn", "base", "full", "fini" ]
A067050
[ 1, 1, 1, 3, 2, 1, 6, 60, 6, 1, 10, 3024, 12600, 24, 1, 15, 240240, 2874009600, 38102400, 120, 1, 21, 27907200, 129470223826944000, 159950125679984640000, 2112397056000, 720, 1, 28, 4475671200, 1.7543451993799775e+27 ]
[ "nonn", "tabl" ]
A083068
[ 1, 7, 55, 439, 3511, 28087, 224695, 1797559, 14380471, 115043767, 920350135, 7362801079, 58902408631, 471219269047, 3769754152375, 30158033218999, 241264265751991, 1930114126015927, 15440913008127416, 123527304065019310, 988218432520154500, 7905747460161236000 ]
[ "nonn", "easy" ]
A182782
[ 11, 10, 11, 4, 1, 9, 11, 2, 11, 12, 11, 2, 2, 12, 11, 12, 3, 2, 11, 7, 11, 2, 11, 12, 11, 12, 11, 2, 4, 4, 11, 2, 11, 3, 11, 12, 8, 2, 11, 12, 43, 2, 11, 3, 11, 5, 11, 2, 11, 44, 11, 2, 11, 12, 11, 12, 11, 2, 11, 3, 11, 2, 11, 4, 11, 12, 11, 2, 11, 3, 11, 2, 11, 12, 11, 12, 11, 2, 11, 9, 11, 2, 11, 12, 11, 3, 11, 2, 11, 12, 11, 2, 11, 12, 11, 3, 11, 2, 11, 12, 11, 2, 11, 5, 11, 4, 11, 2, 11 ]
[ "nonn" ]
A050014
[ 1, 3, 7, 8, 13, 14, 21, 22, 23, 28, 33, 39, 40, 41, 42, 51, 55, 58, 61, 67, 68, 72, 78, 81, 84, 88, 94, 95, 102, 104, 110, 111, 117, 118, 126, 127, 131, 134, 139, 142, 145, 149, 154, 157, 162, 166, 171, 172, 179, 180, 184, 188, 194 ]
[ "nonn", "easy" ]
A342042
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 30, 13, 14, 50, 15, 16, 70, 17, 18, 90, 19, 23, 24, 51, 25, 26, 71, 27, 28, 91, 29, 31, 32, 33, 34, 52, 35, 36, 72, 37, 38, 92, 39, 45, 46, 73, 47, 48, 93, 49, 53, 54, 55, 56, 74, 57, 58, 94, 59, 67, 68, 95, 69, 75, 76, 77, 78, 96, 79, 89, 97, 98, 99, 101 ]
[ "base", "nonn", "nice" ]
A168221
[ 0, 1, 2, 3, 9, 6, 7, 4, 18, 5, 11, 12, 27, 15, 16, 8, 36, 10, 20, 21, 45, 24, 25, 13, 54, 14, 29, 30, 63, 33, 34, 17, 72, 19, 38, 39, 81, 42, 43, 22, 90, 23, 47, 48, 99, 51, 52, 26, 108, 28, 56, 57, 117, 60, 61, 31, 126, 32, 65, 66, 135, 69, 70, 35, 144, 37, 74, 75, 153, 78, 79, 40 ]
[ "nonn", "easy" ]
A209370
[ 35, 129, 242, 968, 3698, 14112, 54450, 208658, 798848, 3065288, 11761250, 45106002, 172980000, 663426738, 2544555122, 9759442050, 37430668832, 143559037778, 550601290962, 2111759107200, 8099354578322, 31063907847200, 119141222480000 ]
[ "nonn" ]
A384865
[ 1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 3, 3, 0, 1, 4, 6, 8, 8, 0, 1, 5, 10, 16, 23, 31, 0, 1, 6, 15, 28, 48, 84, 120, 0, 1, 7, 21, 45, 87, 171, 327, 511, 0, 1, 8, 28, 68, 145, 308, 664, 1372, 2234, 0, 1, 9, 36, 98, 228, 516, 1192, 2760, 5980, 9988, 0 ]
[ "tabl", "sign" ]
A176376
[ 0, 936, 14554800, 226327139064, 3519386997890400, 54726467590868580000, 8.509965675186194e+23, 1.3232996570188065e+28 ]
[ "nonn", "easy" ]
A114335
[ 4, 10, 14, 20, 26, 40, 110, 124, 146, 206, 250, 326, 340, 350, 436, 440, 470, 634, 686, 704, 920, 1004, 1054, 1060, 1124, 1156, 1246, 1276, 1294, 1316, 1376, 1420, 1550, 1570, 1654, 1664, 1784, 1966, 1970, 2026, 2116, 2210, 2380, 2516, 2594, 2654, 2780 ]
[ "nonn" ]
A121379
[ 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 246, 248, 250, 253, 254, 257, 262 ]
[ "less", "nonn" ]
A220023
[ 1, 1, 100, 100, 50, 2, 25, 20, 100, 50, 1, 50, 100, 100, 50, 2, 25, 100, 20, 50, 1, 50, 100, 100, 10, 1, 5, 100, 100, 50, 1, 50, 20, 100, 50, 2, 25, 100, 100, 50, 1, 25, 100, 20, 50, 2, 25, 100, 100, 10, 1, 10, 100, 100, 50, 2, 25, 4, 100, 50, 1, 50, 100, 100 ]
[ "nonn", "base" ]
A330450
[ 1, 4, 7, 55, -162, 4100, -49030, 779914, -11928008, 198650880, -3538477560, 70414760136, -1571134087824, 38788172175072, -1028732373217200, 28631225505910224, -826097667884640800, 24664145505337920000, -765245501125015600000, 2.4841409653689045e+22 ]
[ "sign" ]
A345463
[ 2, 2, 48, 4032, 1935360, 2879815680, 23222833643520, 629183972848435200, 7.666984219541892e+22, 3.546194877096272e+28, 6.979365431069732e+34, 5.2698177486769975e+41, 1.6622838761287805e+49 ]
[ "nonn" ]
A164932
[ 11, 23, 29, 41, 43, 47, 61, 67, 83, 89, 103, 107, 163, 211, 223, 229, 233, 239, 241, 269, 293, 307, 383, 421, 431, 433, 443, 449, 457, 461, 467, 479, 499, 503, 523, 547, 587, 607, 613, 631, 641, 647, 661, 677, 683, 701, 829, 853, 857, 863, 883, 929, 947 ]
[ "base", "nonn" ]
A304637
[ 1, 1, 2, 19, 299, 6241, 160020, 4858616, 171069361, 6885389368, 313162056098, 15930678907603, 897891292501468, 55589209442827830, 3751221859059876400, 274034654053985700000, 2.154276440418071e+22, 1.8130587108318877e+24, 1.6262216457075675e+26, 1.5484376910535108e+28, 1.5597236462483515e+30, 1.656938248122981e+32 ]
[ "nonn" ]
A297336
[ 21, 333, 4888, 73147, 1091456, 16277492, 242728633, 3619361855, 53967869192, 804703360025, 11998734637184, 178910069329084, 2667681781924513, 39777110424677010, 593106152583574700, 8843651586637482000 ]
[ "nonn" ]
A134772
[ 1, 0, 28, 14400, 27165600, 134289792000, 1445549490000000, 29865588836219134000, 1.0811144811571297e+24, 6.40077110154007e+28, 5.873237165016879e+33, 7.999011354559428e+38, 1.56064894765355e+44 ]
[ "nonn" ]
A021019
[ 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 ]
[ "nonn", "cons", "easy" ]
A007359
[ 1, 0, 1, 1, 1, 2, 1, 3, 2, 3, 3, 5, 4, 6, 5, 5, 8, 9, 10, 11, 11, 10, 14, 18, 19, 18, 20, 20, 25, 30, 35, 34, 32, 32, 43, 43, 57, 56, 51, 55, 67, 78, 87, 87, 80, 82, 97, 125, 128, 127, 128, 127, 146, 182, 191, 185, 184, 193, 213, 263, 290, 279, 258, 271, 312, 354, 404, 402 ]
[ "nonn", "easy" ]
A080992
[ 16, 3, 2, 13, 5, 10, 11, 8, 9, 6, 7, 12, 4, 15, 14, 1 ]
[ "fini", "full", "nonn" ]
A261743
[ 1, 9, 126, 1299, 14211, 136611, 1373127, 12838293, 122478147, 1129559068, 10495764324, 95773104459, 877873080195, 7963150929030, 72400207009635, 654588661768353, 5924851016703093, 53460853371243260, 482688774419853060, 4350478100196378000, 39224153751141474000 ]
[ "nonn" ]
A368439
[ 1, 7, 97, 2023, 56257, 1955527, 81570337, 3969606823, 220777431937, 13813838801287, 960354511044577, 73441487204670820, 6126887497334520000, 553733062241471400000, 5.389465395122927e+22, 5.620230710788836e+24, 6.251602027630255e+26 ]
[ "nonn" ]
A291150
[ 1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 3, 2, 1, 1, 3, 2, 3, 2, 2, 1, 6, 1, 3, 2, 3, 2, 5, 2, 3, 3, 5, 2, 5, 1, 6, 5, 6, 2, 6, 1, 5, 1, 5, 4, 8, 3, 4, 2, 2, 2, 8, 2, 6, 4, 3, 2, 4, 1, 5, 4, 7, 3, 7, 2, 7, 4, 5, 3, 10, 1, 7, 4, 5, 2, 13, 4, 6, 5, 5 ]
[ "nonn" ]
A382183
[ 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1 ]
[ "nonn" ]
A340812
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 3, 1, 1, 1, 3, 7, 6, 1, 1, 1, 3, 11, 18, 11, 1, 1, 1, 4, 17, 49, 68, 23, 1, 1, 1, 4, 25, 96, 252, 251, 47, 1, 1, 1, 5, 33, 177, 687, 1406, 1020, 106, 1, 1, 1, 5, 43, 285, 1537, 5087, 8405, 4258, 235, 1, 1, 1, 6, 55, 442, 3014, 14310, 40546, 52348, 18580, 551 ]
[ "nonn", "tabl" ]
A066201
[ 1, 1, 1, 1, 2, 2, 1, 3, 4, 4, 1, 4, 6, 7, 7, 1, 5, 8, 2, 3, 3, 1, 6, 10, 3, 7, 8, 8, 1, 7, 12, 4, 9, 13, 14, 14, 1, 8, 14, 5, 11, 2, 20, 21, 21, 1, 9, 16, 6, 13, 3, 10, 12, 13, 13, 1, 10, 18, 7, 15, 4, 12, 19, 21, 22, 22, 1, 11, 20, 8, 17, 5, 14, 2, 29, 11, 12, 12 ]
[ "nonn", "easy", "tabl", "look" ]
A267865
[ 1, 4, 5, 7, 9, 10, 18, 19, 34, 52, 71, 180, 238, 331, 370, 576, 925, 994, 1075, 1841, 2460, 2857, 6007, 6193, 10836, 18732, 58708, 72861 ]
[ "nonn", "more" ]
A155590
[ 1, 8, 52, 350, 2416, 16838, 117712, 823670, 5765056, 40354118, 282476272, 1977328790, 13841291296, 96889018598, 678223089232, 4747561542710, 33232930635136, 232630514118278, 1628413598172592, 11398895185897430, 79792266298660580, 558545864085381200, 3909821048587182600 ]
[ "nonn", "easy" ]
A016895
[ 177147, 8589934592, 1792160394037, 64268410079232, 952809757913927, 8293509467471872, 50542106513726820, 238572050223552500, 929293739471222700, 3116402981210161000, 9269035929372190000 ]
[ "nonn", "easy" ]
A111844
[ 0, 1, 3, 27, 486, 7776, -2423196, -97338996, 5883879500784, 548540050402080, -1.737375315124972e+21, -4.0592870616916056e+23, 6.07885451249344e+31, 3.620740859225928e+34, -2.3745831021888794e+44 ]
[ "sign" ]
A163360
[ 0, 2, 4, 1, 3, 6, 11, 7, 12, 17, 24, 18, 13, 8, 5, 9, 14, 19, 26, 20, 27, 35, 43, 34, 42, 52, 62, 51, 41, 33, 25, 32, 40, 49, 60, 50, 61, 73, 85, 72, 84, 98, 112, 97, 83, 71, 59, 70, 58, 47, 38, 48, 39, 31, 23, 30, 22, 16, 10, 15, 21, 29, 37, 28, 36, 45, 56, 46, 57, 69, 81 ]
[ "nonn", "look" ]
A131166
[ 0, 1, 3, 2, 6, 7, 8, 5, 4, 16, 15, 14, 17, 18, 19, 20, 21, 11, 12, 22, 13, 10, 9, 43, 44, 47, 39, 40, 42, 41, 38, 45, 46, 37, 48, 49, 50, 53, 52, 51, 54, 55, 56, 57, 58, 30, 29, 59, 28, 31, 32, 60, 61, 62, 33, 34, 63, 35, 25, 26, 64, 36, 27, 24, 23, 127, 123, 124, 128, 131 ]
[ "nonn" ]
A070251
[ 1, 1, 1, 1, 1, 4, 1, 6, 6, 192, 1, 720, 1, 23040, 6480, 10080, 1, 12902400, 1, 34836480, 2449440, 1857945600, 1, 50295168000, 3000, 980995276800, 9797760, 9564703948800, 1, 1518492398911488000, 1, 41845579776000, 1571364748800 ]
[ "nonn" ]
A068447
[ 1, 0, 0, 1, 4, 5, 1, 7, 2, 4, 6, 0, 8, 8, 14, 14, 14, 12, 0, 14, 2, 5, 15, 9, 11, 25, 12, 9, 1, 21, 29, 29, 20, 22, 29, 21, 27, 10, 4, 13, 20, 20, 30, 11, 7, 18, 18, 15, 39, 8, 47, 41, 51, 36, 28, 50, 35, 32, 6, 38, 23, 41, 45, 49, 36, 11, 31, 60, 5, 50, 42, 61, 1, 61, 68, 43, 76, 41 ]
[ "easy", "nonn" ]
A208749
[ 1, 1, 2, 1, 6, 2, 1, 12, 10, 4, 1, 20, 32, 24, 4, 1, 30, 80, 88, 36, 8, 1, 42, 170, 256, 180, 72, 8, 1, 56, 322, 644, 660, 384, 104, 16, 1, 72, 560, 1456, 1992, 1568, 704, 192, 16, 1, 90, 912, 3024, 5256, 5360, 3392, 1344, 272, 32, 1, 110, 1410, 5856, 12552 ]
[ "nonn", "tabl" ]
A104783
[ 43, 113, 331, 1019, 1559, 1613, 2087, 2551, 3217, 5471, 6317, 7109, 7583, 7703, 11777, 13967, 15649, 18353, 21277, 22921, 24847, 27767, 27997, 29167, 66617, 86531, 91081, 91921, 112289, 116041, 122267, 122753, 123727, 125197, 138289 ]
[ "nonn" ]
A375621
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 6, 9, 17, 35, 106, 210, 385, 1028, 2767, 9761, 32795, 129759, 351733, 1076957, 6165427, 27815973, 148629048, 721531991, 3768314574, 17276660082, 109959356649, 1149560654775, 7208229224331, 53412249630318, 392919259603556 ]
[ "nonn" ]