id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A320198
[ 1, 2, 2, 4, 4, 4, 8, 8, 6, 6, 10, 8, 12, 20, 8, 16, 28, 24, 22, 24, 24, 16, 40, 32, 8, 30, 32, 32, 36, 28, 16, 32, 54, 32, 32, 36, 28, 52, 56, 16, 26, 44, 32, 60, 48, 44, 40, 72, 84, 46, 74, 32, 72, 76, 48, ...
[ "nonn" ]
A344059
[ 1, 2, 0, -3, 4, -6, -18, 0, 18, 2, -48, -72, 126, 198, 0, -162, -44, -240, 210, 1620, 1260, -2484, -2700, 0, 1944, -328, -60, 5940, 11880, -13050, -45468, -24300, 52812, 44388, 0, -29160, -716, 11760, 53424, -27360, -360360, -450576, ...
[ "sign", "tabf" ]
A177223
[ 145, 203, 291, 298, 407, 497, 649, 707, 758, 815, 899, 926, 959, 995, 1079, 1094, 1139, 1142, 1157, 1313, 1403, 1415, 1461, 1497, 1538, 1639, 1658, 1691, 1857, 1934, 1945, 1991, 2123, 2159, 2217, 2234, 2315, 2603, 2629, 2807, 2991, 32...
[ "nonn" ]
A117657
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 12, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 24, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 36, 49, 50, 51, 52, 53, 54, 5...
[ "mult", "nonn" ]
A120973
[ 1, 1, 6, 60, 776, 11802, 201465, 3759100, 75404151, 1608036861, 36172106112, 853346084343, 21021015647574, 538868533164995, 14336235065928966, 394957784033440200, 11246848201518516000, 330520280036501800000 ]
[ "nonn" ]
A379464
[ 1, 1, 1, 1, 4, 16, 46, 106, 226, 514, 1306, 3466, 9002, 22634, 56330, 142026, 364743, 945303, 2448511, 6323695, 16336885, 42363693, 110340297, 288229377, 753920796, 1973799396, 5174280216, 13588243696, 35748326836, 94188788164, 248464963876, 656148369796...
[ "nonn" ]
A016569
[ 3, 1, 2, 1, 1, 1, 4, 1, 1, 2, 11, 2, 5, 1, 3, 30, 1, 4, 1, 13, 2, 2, 2, 1, 1, 3, 4, 14, 13, 2, 1, 1, 1, 1, 1, 10, 1, 2, 1, 23, 1, 2, 2, 17, 1, 1, 3, 52, 1, 32, 1, 1, 1, 3, 2, 1, 2, 1, 1, 1, 8, 6...
[ "nonn", "cofr" ]
A378110
[ 1, 0, 1, 2, 5, 10, 53, 98, 397, 1058, 3341, 9658, 30053, 87386, 267877, 793682, 2397437, 7162066, 21552125, 64506026, 193839445, 580889738, 1743836117, 5229312706, 15692323949, 47067796610, 141222563821, 423628907162, 1270962692165, 3812740639930 ]
[ "nonn", "easy" ]
A384212
[ 0, 0, 1, 1, 1, 2, 1, 2, 2, 2, 1, 4, 1, 2, 3, 3, 1, 4, 1, 3, 2, 2, 1, 6, 2, 2, 3, 4, 1, 6, 1, 4, 3, 2, 2, 7, 1, 2, 3, 6, 1, 5, 1, 4, 5, 2, 1, 8, 2, 3, 3, 4, 1, 5, 2, 6, 3, 2, 1, 9, 1, 2, 5, 5...
[ "nonn", "base" ]
A217355
[ 1, 47, 91, 64655 ]
[ "nonn", "hard", "more" ]
A200810
[ 3, 3, 5, 3, 7, 3, 3, 3, 11, 3, 13, 3, 3, 5, 17, 3, 19, 3, 3, 3, 23, 3, 3, 3, 3, 3, 29, 3, 31, 3, 3, 3, 3, 3, 37, 3, 3, 3, 41, 3, 43, 3, 3, 3, 47, 3, 3, 3, 3, 3, 53, 3, 3, 3, 3, 3, 59, 3, 61, 3, 3,...
[ "nonn" ]
A252279
[ 257, 337, 881, 1217, 1249, 1553, 1777, 2113, 2593, 2657, 2833, 4049, 4177, 4273, 4481, 4513, 4721, 4993, 5297, 6353, 6449, 6481, 6529, 6689, 7121, 7489, 8081, 8609, 9137, 9281, 9649, 10177, 10337, 10369, 10433, 10657, 11329, 11617, 11633, ...
[ "nonn" ]
A213142
[ 1, -4, -4, 156, 636, -23844, -213444, 7561116, 122079996, -3999858084, -105913993284, 3121006139676, 129328349560956, -3294956189426724, -210883838041123520, 4369388083699591700, 441597580986548160000 ]
[ "sign" ]
A131057
[ 0, 2, 1, 2, 7, 1, 2, 1, 5, 3, 1, 19, 11, 1, 19, 19, 11, 1, 19, 23, 1, 1, 47, 1, 1, 29, 3, 29, 2, 59, 73, 1, 43, 1, 13, 17, 41, 1, 2, 5, 3, 53, 79, 7, 1, 53, 23, 1, 13, 13, 61, 7, 59, 61, 7, 31, 1, 89, ...
[ "nonn" ]
A228452
[ 3, 53, 19, 3, 19, 593, 313, 113, 1699, 1163, 31, 4217, 31, 47, 7993, 1013, 631, 347, 3793, 3923, 397, 353, 2551, 83, 2719, 971, 3709, 6827, 6361, 593, 2053, 16073, 2719, 2753, 4441, 8663, 31, 131, 61, 5867, 379, 587, 9631, 1907, ...
[ "nonn" ]
A292429
[ 10, 99, 38613, 377686178656, 2.8685416388231595e+31 ]
[ "nonn" ]
A313047
[ 1, 4, 9, 14, 18, 23, 27, 33, 40, 42, 48, 55, 59, 62, 65, 72, 80, 82, 88, 91, 101, 102, 109, 114, 120, 124, 130, 134, 144, 142, 151, 155, 160, 165, 168, 174, 183, 182, 192, 194, 201, 206, 209, 215, 222, 223, 232, 233, 241...
[ "nonn" ]
A132098
[ 1, -1, 11, 1, -217, -157, -21503 ]
[ "frac", "more", "sign" ]
A074639
[ 0, 0, 0, 1, 2, 5, 4, 11, 10, 15, 12, 31, 16, 39, 28, 36, 34, 75, 32, 91, 52, 64, 60, 145, 64, 115, 88, 141, 84, 225, 76, 241, 146, 160, 152, 250, 104, 319, 204, 272, 172, 419, 152, 447, 280, 286, 228, 599, 208, 501, ...
[ "nonn" ]
A299019
[ 1, -2, -2, 2, 3, 6, -1, -2, -10, -14, -7, -2, 11, 26, 43, 30, 28, -6, -40, -92, -128, -132, -115, -48, 54, 200, 339, 484, 499, 476, 274, -32, -501, -998, -1539, -1924, -2042, -1838, -1139, 12, 1664, 3540, 5588, 7258, 8392, 823...
[ "sign" ]
A124469
[ 1, 1, 1, 1, 3, 1, 1, 8, 6, 1, 1, 22, 28, 11, 1, 1, 65, 120, 81, 20, 1, 1, 209, 500, 494, 219, 37, 1, 1, 730, 2088, 2733, 1812, 578, 70, 1, 1, 2743, 8884, 14411, 12904, 6299, 1518, 135, 1, 1, 10958, 38803, 74484, 84424,...
[ "nonn", "tabl" ]
A308038
[ 0, 0, 4, 9, 34, 57, 134, 196, 370, 500, 830, 1065, 1624, 2009, 2884, 3472, 4764, 5616, 7440, 8625, 11110, 12705, 15994, 18084, 22334, 25012, 30394, 33761, 40460, 44625, 52840, 57920, 67864, 73984, 85884, 93177, 107274, 115881, 132430, 142...
[ "nonn", "easy" ]
A338773
[ 0, 1, 2, 0, 1, 4, 1, 3, 3, 0, 1, 5, 1, 1, 1, 4, 4, 3, 0, 1, 5, 2, 0, 1, 6, 2, 6, 2, 4, 6, 1, 4, 2, 3, 4, 6, 2, 3, 1, 8, 3, 4, 3, 1, 5, 5, 2, 1, 4, 4, 7, 5, 3, 2, 4, 4, 4, 4, 5, 2, 4, 3, 1, 7...
[ "nonn" ]
A228837
[ 1, 1, 2, 5, 38, 597, 14472, 554653, 44421258, 8933194659, 3408672951784, 1984802013951149, 1803179670478111200, 3.3232068871949255e+21, 1.5156709454119351e+25, 1.3288964391849998e+29, 1.784438297905511e+33 ]
[ "nonn" ]
A048708
[ 0, 1, 6, 69, 6996, 69969669, 6996966996696996, 6.996966996696997e+31, 6.996966996696998e+63 ]
[ "nonn", "base" ]
A145993
[ 7, 19, 43, 67, 79, 103, 127, 163, 199, 307, 359, 379, 439, 463, 619, 643, 683, 719, 739, 823, 859, 883, 967, 983, 1087, 1163, 1279, 1303, 1423, 1439, 1459, 1483, 1499, 1559, 1663, 1783, 1811, 1867, 1979, 1999, 2083, 2099, 2179, 22...
[ "easy", "nonn" ]
A059183
[ 1, 3, 4, 4, 5, 5, 5, 6, 47, 109, 935, 4763, 7821, 8895, 9889, 35798, 44347, 1146551, 7874944, 8043393, 27403243, 34058912, 58098040, 68760470, 80046897, 560099631, 611427977, 14235032003, 602865059026, 813485869378 ]
[ "nonn", "easy", "nice" ]
A180482
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 22, 30, 33, 40, 44, 50, 55, 60, 66, 70, 77, 80, 88, 90, 99, 100, 110, 111, 112, 114, 120, 130, 133, 154, 170, 175, 200, 210, 220, 222, 224, 228, 240, 260, 266, 267, 298, 300, 31...
[ "base", "easy", "nonn" ]
A048763
[ 0, 1, 8, 8, 8, 8, 8, 8, 8, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 6...
[ "nonn" ]
A111978
[ 0, 1, 0, 0, 2, 0, 16, 0, 4, 0, 0, 32, 0, 8, 0, 1536, 0, 64, 0, 16, 0, 0, 3072, 0, 128, 0, 32, 0, -319488, 0, 6144, 0, 256, 0, 64, 0, 0, -638976, 0, 12288, 0, 512, 0, 128, 0, 36007575552, 0, -1277952, 0, 24576, 0, 1...
[ "frac", "sign", "tabl" ]
A001123
[ 7, 17, 31, 43, 79, 89, 113, 127, 137, 199, 223, 233, 257, 281, 283, 331, 353, 401, 449, 463, 487, 521, 569, 571, 593, 607, 617, 631, 641, 691, 739, 751, 809, 811, 823, 857, 881, 929, 953, 977, 1013, 1039, 1049, 1063, 1087, 109...
[ "nonn" ]
A270879
[ 0, 1, 1, 2, 7, 10, 20, 34, 65, 124, 230, 430, 800, 1494, 2792, 5210, 9727, 18155, 33892, 63271, 118110, 220484, 411588, 768337, 1434304, 2677500, 4998252, 9330536, 17417876, 32515004, 60697720, 113308101, 211519073, 394855430, 737100483, 13759899...
[ "nonn", "easy" ]
A288148
[ 0, 6, 108, 2598, 123750, 12994248, 3114709914, 1730766715308, 2248937669398650, 6877862090075063000, 4.9790967547432815e+22, 8.572759772879384e+26, 3.523350139322488e+31 ]
[ "nonn", "more" ]
A284346
[ 2, 1, 8, 1, 4, 1, 2, 3, 16, 3, 6, 7, 8, 1, 4, 1, 22, 5, 6, 3, 4, 17, 18, 5, 4, 1, 32, 5, 10, 29, 4, 27, 8, 15, 18, 1, 2, 15, 10, 3, 4, 247, 8, 15, 14, 19, 22, 35, 6, 19, 4, 27, 10, 11, 8, 1, 2, 5, 40,...
[ "nonn" ]
A242062
[ 0, 1, 0, 0, 1, 1, 0, 1, 2, 1, 1, 2, 2, 1, 2, 3, 2, 2, 3, 3, 2, 3, 4, 3, 3, 4, 4, 3, 4, 5, 4, 4, 5, 5, 4, 5, 6, 5, 5, 6, 6, 5, 6, 7, 6, 6, 7, 7, 6, 7, 8, 7, 7, 8, 8, 7, 8, 9, 8, 8, 9, 9, 8, 9...
[ "nonn", "easy" ]
A019275
[ 1, 2, 4, 38, 132, 420, 1426, 4834, 16796, 58688, 208012, 742636, 2674384, 9693976, 35357670, 129641774 ]
[ "dead" ]
A231103
[ 0, 2, 8, 42, 208, 1042, 5208, 26042, 130208, 651042, 3255208, 16276042, 81380208, 406901042, 2034505208, 10172526042, 50862630208, 254313151042, 1271565755208, 6357828776042, 31789143880208, 158945719401042, 794728597005208 ]
[ "nonn" ]
A186953
[ 0, 3783, 5903759, 47796308777, 1557834542977401, 226578401020498500000 ]
[ "nonn" ]
A383390
[ 104, 495, 584, 735, 944, 1155, 1364, 1484, 2144, 2204, 2415, 2624, 2924, 2925, 3135, 3255, 3794, 3795, 4304, 4484, 4784, 4844, 5264, 5355, 5445, 5564, 5565, 5655, 5775, 5984, 6104, 6764, 7424, 7455, 7664, 7755, 7875, 8084, 8294, 8295, 8...
[ "nonn" ]
A171559
[ 3, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296, 8589934...
[ "nonn", "less" ]
A354436
[ 1, 1, 3, 13, 85, 801, 10231, 168253, 3437673, 85162465, 2511412651, 86805640461, 3469622549053, 158523442439233, 8198514736542495, 476003264246418300, 30804251925861437000, 2.2079781153894695e+21, 1.7430431633446644e+23 ]
[ "nonn" ]
A061730
[ 533821, 567631, 672181, 843781, 1035301, 1512421, 1929061, 2260501, 2839621, 2894431, 2896741, 4466221, 5428231, 5970511, 6170911, 9340501, 9730711, 9920821, 10635661, 10684759, 10720711, 10870471, 11425261, 11591581 ]
[ "nonn" ]
A118193
[ 1, -1, 4, -76, 7124, -3326876, 7760553124, -90490361296876, 5275336666748203000, -1.537656615631183e+24, 2.2409706758639107e+30, -1.6329855533286908e+37, 5.949744812628625e+44 ]
[ "sign" ]
A284201
[ 1, 10, 11, 0, 2, 12, 100, 3, 20, 13, 21, 110, 30, 4, 31, 200, 5, 14, 32, 22, 15, 16, 120, 6, 300, 7, 40, 33, 17, 210, 50, 8, 51, 18, 41, 34, 23, 24, 25, 19, 52, 106, 9, 102, 60, 26, 43, 70, 80, 27, 44, 90, 53, ...
[ "nonn", "base" ]
A160329
[ 1, 42, -158, -168084, -6148500, 1033992792, 102514782264, -7618384022256, -1699206009514608, 45773620326594720, 31315357606300668000, 435476036787477540000, -6.437792969673347e+23, -3.708254978509444e+25, 1.4528002423051858e+28 ]
[ "sign", "frac" ]
A369406
[ 1, 2, 3, 4, 5, 6, 7, 8, 10, 19, 56, 177, 508, 1301, 3018, 6451, 12887, 24328, 43777, 75602, 125991, 203512, 319793, 490338, 735496, 1081601, 1562302, 2220104, 3108162, 4292581, 5857016, 7920222, 10719709, 14991758, 23535855, 47071676, 124403657...
[ "nonn" ]
A017364
[ 13841287201, 582622237229761, 150094635296999140, 6582952005840035000, 116191483108948570000, 1.1762462939034397e+21, 8.182718904632857e+21, 4.3439888521963585e+22, 1.8803168220149766e+23, 6.93842360995438e+23 ]
[ "nonn", "easy" ]
A139973
[ 67, 83, 163, 227, 307, 587, 643, 683, 787, 827, 947, 1123, 1163, 1307, 1523, 1627, 1723, 1747, 1787, 1867, 1987, 2203, 2243, 2267, 2347, 2683, 2803, 3083, 3187, 3203, 3307, 3323, 3347, 3547, 3803, 3907, 3947, 4243, 4283, 4363, 4483, 4...
[ "nonn", "easy" ]
A254054
[ 1, 3, 2, 6, 4, 5, 7, 10, 37, 8, 11, 9, 16, 12, 67, 15, 22, 47, 29, 13, 172, 17, 46, 14, 137, 23, 862, 18, 56, 80, 79, 21, 232, 30, 326, 58, 92, 38, 407, 19, 106, 192, 121, 24, 1712, 57, 154, 20, 821, 155, 497, 31, ...
[ "nonn" ]
A145566
[ 1, 23, 33, 199, 10957, 11873, 35621, 4844519, 2789277, 2789279, 705687707, 1764219339, 3175594841, 26312071601, 79968060793, 479808364823, 57097195415809, 234732914489081, 704198743468603, 28872148482226290, 17992788184577864, 161935093661205280 ]
[ "nonn", "frac", "easy" ]
A079987
[ 1, 0, 0, 1, 2, 3, 5, 7, 15, 29, 49, 84, 149, 268, 484, 855, 1508, 2684, 4784, 8516, 15134, 26873, 47782, 85004, 151149, 268704, 477685, 849299, 1510163, 2685089, 4773851, 8487625, 15090786, 26831239, 47705352, 84818268, 150803857, 268125092 ]
[ "nonn" ]
A248889
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 171, 323, 343, 505, 595, 686, 848, 1661, 2112, 3773, 23332, 46664, 69996, 262262, 583385, 782287, 859958, 981189, 1254521, 1403041, 1832381, 39388393, 54411445, 55499455, 88844888, 118919811, 191010191 ]
[ "nonn", "base" ]
A221394
[ 0, 18, 0, 631, 0, 23188, 0, 852298, 0, 31322020, 0, 1151041183, 0, 42298797564, 0, 1554405335830, 0, 57121595318958, 0, 2099115475346705, 0, 77138701114715730, 0, 2834707878337590300, 0, 104170392148337360000, 0, 3.8280736720666676e+21, 0 ]
[ "nonn" ]
A164363
[ 1, 1, 2, 3, 6, 12, 23, 46, 91, 182, 364, 727, 1454, 2908, 5816, 11631, 23262, 46523, 93046, 186092, 372183, 744366, 1488732, 2977463, 5954926, 11909851, 23819702, 47639404, 95278807, 190557614, 381115228, 762230456, 1524460911, 3048921822, 60978436...
[ "nonn" ]
A162663
[ 1, 1, 1, 1, 2, 2, 1, 2, 7, 5, 1, 3, 8, 31, 15, 1, 2, 16, 42, 164, 52, 1, 4, 10, 111, 268, 999, 203, 1, 2, 28, 70, 931, 1994, 6841, 877, 1, 4, 12, 258, 602, 9066, 16852, 51790, 4140, 1, 3, 31, 106, 2892, 6078, 99925...
[ "nice", "nonn", "tabl", "changed" ]
A096196
[ 0, 1, 0, 1, 3, 5, 3, 1, 0, 5, 3, 5, 3, 5, 9, 1, 3, 11, 3, 17, 9, 5, 3, 17, 8, 5, 0, 17, 3, 5, 3, 1, 9, 5, 19, 29, 3, 5, 9, 17, 3, 23, 3, 17, 18, 5, 3, 17, 31, 25, 9, 17, 3, 29, 44, 33, 9, 5, 3, 17, ...
[ "nonn", "easy" ]
A170521
[ 1, 32, 992, 30752, 953312, 29552672, 916132832, 28400117792, 880403651552, 27292513198112, 846067909141472, 26228105183385630, 813071260684954600, 25205209081233592000, 781361481518241400000, 2.4222205927065483e+22 ]
[ "nonn" ]
A013390
[ 0, 3, 23, 721, 55439, 5541481, 816082343, 167874570865, 44930591850143, 15238326353365080, 6394194823965173000, 3.2483535454027587e+21, 1.9645389781116558e+24, 1.39468955826629e+27 ]
[ "nonn" ]
A082068
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 3, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 3, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 1, 3, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1...
[ "nonn" ]
A218211
[ 0, 0, 4, 10, 15, 49, 147, 407, 1084, 3010, 8756, 25145, 73424, 215375, 631828, 1870092, 5562131, 16584139, 49630873, 148917071, 448088250 ]
[ "nonn", "base", "more" ]
A142711
[ 1, 2, 3, 5, 7, 1, -12, -228, 9143, -1133843, 400077995, -45302489148575, -7.894734009904519e+21, -1.8747504667646398e+34, -9.599112015507646e+53 ]
[ "uned", "sign" ]
A080171
[ 1, 1, 1, -1, -13, -49, 31, 1981, 14329, 2177, -1138879, -12745369, -15140069, 1638512239, 25497843007, 61319246261, -4755906736399, -96548141561599, -363409501289471, 24376817341458130, 618727176794661600, 3242543776104642000, -201522721892143630000 ]
[ "easy", "sign" ]
A214121
[ 5, 0, 14, 2, 2, 0, 33, 4, 6, 0, 75, 6, 13, 0, 16, 0, 165, 8, 27, 0, 32, 0, 353, 10, 57, 0, 62, 0, 60, 0, 747, 12, 119, 0, 124, 0, 109, 0, 1577, 14, 247, 0, 250, 0, 206, 0, 184, 0, 3327, 16, 515, 0, 508, 0, 39...
[ "nonn", "tabf" ]
A055217
[ 1, 3, 10, 31, 96, 294, 897, 2727, 8272, 25048, 75747, 228826, 690691, 2083371, 6280650, 18925047, 57002616, 171633840, 516632307, 1554702516, 4677501237, 14069962041, 42314975352, 127240600050, 382555886571, 1150026301089 ]
[ "nonn" ]
A091508
[ 1, 2, 111, 7, 5, 3, 25, 22, 25, 111, 111, 4, 7, 5, 5, 6, 22, 25, 22, 9, 111, 25, 25, 4, 111, 111, 11, 111, 9, 7, 6, 8, 19, 5, 6, 19, 9, 22, 22, 111, 8, 22, 19, 9, 9, 111, 111, 111, 111, 25, 15, 11, 9, 111, 8,...
[ "nonn" ]
A298665
[ 1, 1, 8, 9, 38, 169, 238, 1019, 3112, 7518, 25887, 74736, 218787, 690826, 2069920, 6363967, 19855161, 61528839, 192963096, 609853755, 1933979526, 6175400889, 19859400627, 64164744962, 208511225451, 681665542190, 2238543624216 ]
[ "nonn" ]
A341525
[ 1, 4, 6, 13, 8, 8, 12, 40, 31, 32, 14, 26, 18, 16, 48, 121, 20, 124, 24, 104, 72, 56, 30, 16, 57, 24, 156, 52, 32, 64, 38, 364, 84, 80, 96, 403, 42, 32, 108, 320, 44, 96, 48, 14, 248, 40, 54, 242, 133, 76, 24, 26, ...
[ "nonn", "frac" ]
A213094
[ 1, 1, 2, 7, 26, 123, 622, 3490, 20468, 125643, 792606, 5118050, 33612998, 223770400, 1505528080, 10213807498, 69746716716, 478693572991, 3298184837434, 22790090901504, 157803590073220, 1094189186549354, 7593267782966708, 52713912426435110, 365948276764762700 ]
[ "sign" ]
A065222
[ 1, 2, 5, 3, 8, 14, 6, 14, 23, 5, 16, 28, 41, 10, 25, 41, 58, 10, 29, 49, 70, 1, 24, 48, 73, 99, 6, 34, 63, 93, 124, 3, 36, 70, 105, 141, 178, 26, 65, 105, 146, 188, 231, 44, 89, 135, 182, 230, 3, 53, 104, 156, 20...
[ "easy", "nonn" ]
A280816
[ 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1...
[ "nonn", "base", "hard" ]
A373448
[ 0, 27, 2313, 249903, 24183069, 2258634081, 249410097687, 24350854001805, 2229543293296319, 248640535848971070, 24502928886295667000, 2.2553822160826133e+21, 2.4752435898434277e+23, 2.4637651997205933e+25, 2.2804971695978197e+27, 2.4603730336425465e+29 ]
[ "nonn", "base" ]
A024460
[ 1, 2, 5, 8, 18, 28, 53, 73, 130, 170, 294, 352, 595, 715, 1184, 1368, 2248, 2630, 4293, 4943, 8042, 8882, 14422, 16164, 26211, 28523, 46214, 49830, 80694, 88192, 142769, 156029, 252540, 271754, 439792, 465016, 752503, 805011, 1302636, 137...
[ "nonn" ]
A020451
[ 3, 11, 13, 31, 113, 131, 311, 313, 331, 3313, 3331, 11113, 11131, 11311, 13313, 13331, 31333, 33113, 33311, 33331, 113111, 113131, 131111, 131113, 131311, 311111, 313133, 313331, 313333, 331333, 333131, 333331, 1111333, 1131113, 1131131, 1131133,...
[ "nonn", "base" ]
A071310
[ 1, 32, 4608, 7077888, 101921587200, 19725496300339200, 4.962871747577182e+22 ]
[ "nonn", "more" ]
A305686
[ 0, 7, 152, 16658, 6433903, 9226209199, 49083436693252, 968465070692638100, 7.087269089266452e+22, 1.9236536201373167e+28 ]
[ "nonn", "more" ]
A114271
[ 3, 9, 15, 21, 33, 51, 57, 81, 87, 111, 117, 123, 129, 135, 141, 147, 153, 177, 189, 213, 219, 255, 279, 285, 315, 321, 327, 345, 351, 363, 399, 417, 465, 471, 477, 483, 495, 549, 579, 585, 627, 657, 663, 669, 723, 735, 741, ...
[ "nonn" ]
A093754
[ 6, 3, 9, 5, 1, 0, 3, 5, 1, 8, 7, 0, 3, 1, 1, 0, 0, 1, 9, 6, 2, 6, 9, 3, 0, 8, 5, 4, 2, 7, 3, 2, 3, 6, 7, 9, 8, 7, 5, 9, 9, 4, 6, 2, 5, 1, 8, 4, 7, 2, 8, 2, 9, 5, 1, 5, 8, 5, 6, 2, 3, 0, 8, 0...
[ "nonn", "cons" ]
A081793
[ 0, 1, 7, 135, 35445, 44465908998, 5.11288772151631e+21, 7.523450936052902e+43, 5.78657520659091e+87 ]
[ "nonn" ]
A035731
[ 1, 72, 2592, 62232, 1121472, 16186536, 194986080, 2017132920, 18300435840, 147972367880, 1080041397408, 7190430174936, 44042615547456, 250012542410856, 1323529602867936, 6569619630522168, 30721376739859200 ]
[ "nonn", "easy" ]
A158934
[ 2, 8, 4, 0, 7, 9, 0, 4, 3, 8, 4, 0, 4, 1, 2, 2, 9, 6, 0, 2, 8, 2, 9, 1, 8, 3, 2, 3, 9, 3, 1, 2, 6, 1, 6, 9, 0, 9, 1, 0, 8, 8, 0, 8, 8, 4, 4, 5, 7, 3, 7, 5, 8, 2, 7, 5, 9, 1, 6, 2, 6, 6, 6, 1...
[ "cons", "nonn" ]
A230710
[ 1, 3, 2, 7, 38, 44, 29, 336, 718, 237, 2642, 10296, 8839, 16124, 108691, 164833, 24478, 922077, 2521451, 1476984, 6699319, 34182196, 35553398, 32125393, 306268562, 597551756, 130656229, 2465133864, 8701963882, 6890111163, 15949374758, 98248054847, 1352...
[ "nonn" ]
A281628
[ 1, 0, 11, 1000, 11, 111110, 1001, 11101000, 11111, 1111000100, 10111, 111111111100, 1010011, 11111101111000, 11010111, 1111111010111100, 111010011, 111111110010111000, 111010111, 11111111111010111000, 10111010011, 1.1111111110110001e+21, 101010010111 ]
[ "nonn", "easy" ]
A151070
[ 1, 3, 10, 39, 161, 683, 2981, 13314, 60227, 275345, 1272372, 5924933, 27748370, 130690142, 618564321, 2938763011, 14009587697, 67002293485, 321313356800, 1544467776401, 7440257304105, 35913933641154, 173655261735906, 841017573506475, 4079158044680209, 19811469122215...
[ "nonn", "walk" ]
A145403
[ 1, 32, 414, 5382, 79384, 1262816, 20562673, 336067810, 5493330332, 89803472792, 1468381290905, 24012936982592, 392716580997352, 6422777815120738, 105043595925333250, 1717976646746942700 ]
[ "nonn" ]
A262855
[ 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 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, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1...
[ "nonn", "tabf", "easy" ]
A158318
[ 3, 5, 11, 17, 23, 47, 53, 59, 71, 89, 101, 113, 131, 137, 149, 173, 191, 197, 233, 239, 257, 311, 317, 347, 383, 401, 431, 443, 449, 467, 479, 509, 569, 593, 617, 641, 683, 719, 761, 773, 827, 857, 929, 941, 947, 1031, 1061,...
[ "nonn" ]
A290462
[ 64, 95, 96, 97, 291, 98, 294, 490, 1221, 1342, 65, 665, 1463, 2261, 1584, 97, 194, 98, 196, 392, 490, 830, 195, 98, 196, 294, 490, 197, 591, 199, 597, 995, 1393, 1791, 2321, 1443, 2442, 3441, 1160, 1165, 2563, 3961, 1586 ]
[ "nonn", "base", "fini", "full", "frac" ]
A052475
[ 40, 60, 65, 85, 105, 120, 140, 165, 185, 205, 220, 265, 280, 285, 305, 345, 365, 380, 385, 440, 460, 465, 485, 545, 565, 620, 645, 665, 685, 705, 745, 760, 805, 860, 865, 885, 920, 965, 1005, 1065, 1085, 1165, 1180, 1185, 1205, ...
[ "nonn", "nice" ]
A084779
[ 1, 7, 41, 207, 1313, 7807, 42593, 232463, 1290433, 7604415, 42034721, 236031231, 1363681121, 7457831007, 39670144513, 231087069823, 1291433872385, 7373001299199, 41437235793921, 229538650588863, 1268719471103233 ]
[ "nonn" ]
A140083
[ 0, 1, 1, 2, 1, 2, 0, 1, 1, 2, 2, 3, 0, 1, 1, 2, 1, 2, 0, 1, 2, 3, 1, 2, 0, 1, 1, 2, 1, 2, 0, 1, 1, 2, 2, 3, 0, 1, 1, 2, 2, 3, 0, 1, 1, 2, 1, 2, 0, 1, 1, 2, 1, 2, 0, 1, 1, 2, 1, 2, 0, 1, 1, 2...
[ "nonn" ]
A275471
[ 1, 1, 1, 2, 3, 1, 1, 1, 2, 2, 1, 3, 3, 1, 1, 2, 3, 2, 2, 5, 5, 1, 1, 1, 3, 2, 2, 4, 2, 2, 1, 1, 2, 2, 2, 5, 6, 1, 2, 2, 4, 3, 1, 3, 5, 2, 1, 3, 2, 2, 3, 7, 5, 2, 3, 1, 4, 2, 1, 6, 2, 2, 2, 2...
[ "nonn" ]
A040127
[ 5, 7, 11, 19, 29, 31, 37, 41, 47, 59, 67, 71, 73, 83, 89, 97, 101, 109, 113, 137, 149, 151, 157, 163, 167, 173, 193, 197, 223, 227, 229, 233, 239, 241, 257, 269, 271, 277, 281, 293, 307, 313, 317, 331, 349, 353 ]
[ "nonn", "easy" ]
A204499
[ 797822969, 5506995671, 29239334379, 402163470675, 2160920648295, 16952599195335, 286595565957180, 2485931640506982, 24413956669848628, 328815740430183100, 2877550907300926000, 27288563517875986000 ]
[ "nonn" ]
A303380
[ 1, 14, 2, 74, 21, 3, 147, 120, 13, 4, 174, 121, 37, 14, 5, 471, 1120, 137, 74, 25, 6, 1135, 1121, 731, 147, 125, 16, 7, 1531, 14121, 1135, 174, 521, 67, 17, 8, 5131, 21114, 1531, 471, 1125, 76, 77, 18, 9, 13145, 21174, 513...
[ "nonn", "word", "tabl" ]
A221661
[ 1, 32, 323, 3322, 29939, 254682, 2078316, 16737048, 134125927, 1073540636, 8589440133, 68718137608, 549750960379, 4398021285748, 35184200917302, 281473676944626, 2251789571402135, 18014316922806328, 144114536170600220 ]
[ "nonn" ]
A013188
[ 0, 1, 0, -3, 12, -7, -168, 917, -1568, -7183, 198400, -3803987, 27605248, 316369129, -8352339968, 40892465221, 772060278784, -12655402122271, 84749115129856, -1539257113273507, 2576755050676224 ]
[ "sign" ]
A139832
[ 7, 43, 67, 103, 127, 163, 223, 283, 307, 367, 463, 487, 523, 547, 607, 643, 727, 787, 823, 883, 907, 967, 1063, 1087, 1123, 1303, 1327, 1423, 1447, 1483, 1543, 1567, 1627, 1663, 1723, 1747, 1783, 1867, 1987, 2083, 2143, 2203, 2287, ...
[ "nonn", "easy" ]
A162320
[ 1, 1, 2, 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 2, 3, 1, 1, 1, 2, 2, 3, 1, 1, 1, 1, 2, 2, 3, 1, 1, 1, 1, 2, 2, 2, 4, 1, 1, 1, 1, 1, 2, 2, 2, 4, 1, 1, 1, 1, 1, 2, 2, 2, 3, 4, 1, 1, 1, 1, 1, 1, 2, 2, 2...
[ "base", "nonn", "tabl" ]
A196417
[ 1, 2, 5, 14, 42, 131, 417, 1341, 4334, 14042, 45562, 148029, 481804, 1572625, 5156025, 17018505, 56717910, 191540940, 658084182, 2309516616 ]
[ "dead" ]
A384720
[ 1, 1, 7, 118, 3385, 141556, 7918489, 561302470, 48589734337, 5001284972872, 599865865782481, 82534986682048060, 12863925185682543000, 2.2480094602547062e+21, 4.36716594440554e+23, 9.363597584590399e+25, 2.2021353830468756e+28, 5.650417076648053e+30 ]
[ "nonn" ]