id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A371466
[ 8, 8, 3, 3, 1, 9, 3, 7, 5, 1, 4, 2, 7, 2, 4, 9, 7, 8, 6, 5, 6, 8, 4, 4, 7, 4, 9, 8, 2, 4, 2, 1, 9, 3, 5, 1, 2, 8, 5, 9, 3, 4, 2, 6, 9, 1, 0, 1, 2, 7, 8, 7, 6, 5, 0, 6, 3, 4, 5, 2, 6, 2, 0, 9...
[ "nonn", "cons" ]
A223653
[ 3, 9, 9, 35, 77, 207, 513, 1415, 4009, 12499, 37577, 99863, 300723, 949821, 2565811, 7925175, 23158917, 68824353, 207493163, 617410067, 1841509697, 5611469021, 16589242023, 49212663699, 148570250829, 449163990819, 1326001156759 ]
[ "nonn" ]
A167486
[ 3, 7, 11, 7, 17, 10, 23, 13, 29, 16, 17, 37, 41, 22, 47, 25, 53, 28, 59, 31, 32, 67, 71, 37, 38, 79, 83, 43, 89, 46, 47, 97, 101, 52, 107, 55, 113, 58, 59, 60, 61, 62, 127, 131, 67, 137, 70, 71, 72, 73, 149, 76, ...
[ "nonn" ]
A089746
[ 4, 4, 1, 2, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 1, 2, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 1, 2, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 1, 2, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 1, 2, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 1, 2...
[ "nonn", "word" ]
A312715
[ 1, 4, 8, 15, 17, 24, 24, 32, 34, 40, 46, 48, 54, 55, 64, 66, 71, 76, 78, 85, 86, 97, 97, 102, 105, 110, 115, 120, 126, 129, 130, 137, 142, 148, 150, 156, 157, 163, 168, 177, 177, 182, 183, 191, 193, 202, 206, 207, 211, ...
[ "nonn" ]
A001769
[ 1, 6, 22, 62, 148, 314, 610, 1106, 1897, 3108, 4900, 7476, 11088, 16044, 22716, 31548, 43065, 57882, 76714, 100386, 129844, 166166, 210574, 264446, 329329, 406952, 499240, 608328, 736576, 886584, 1061208, 1263576, 1497105, 1765518, 2072862, 24235...
[ "nonn", "easy" ]
A278180
[ 1, 1, 2, 3, 4, 7, 8, 15, 16, 17, 33, 35, 37, 72, 76, 80, 84, 164, 172, 180, 188, 368, 384, 401, 418, 435, 853, 888, 925, 962, 999, 1961, 2037, 2117, 2201, 2285, 2369, 4654, 4826, 5006, 5194, 5382, 5570, 10952, 11336, 11737, ...
[ "nonn" ]
A229457
[ 40, 1188, 27313, 573342, 11451686, 221410052, 4182294415, 77626332302, 1421182695065, 25734458996766, 461813205678124, 8225319344357866, 145570937702109570, 2562275384434848000, 44887086267708870000, 783101106222482600000, 1.3612135618072382e+22 ]
[ "nonn" ]
A226912
[ 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 3...
[ "nonn", "tabf", "hard" ]
A183504
[ 12, 81, 776, 6561, 59292, 531441, 4786704, 43046721, 387440172, 3486784401, 31381355016, 282429536481, 2541867422652, 22876792454961, 205891156016784, 1853020188851841, 16677181828806732, 150094635296999140 ]
[ "nonn" ]
A186862
[ 0, 24, 160, 408, 768, 1240, 1824, 2520, 3328, 4248, 5280, 6424, 7680, 9048, 10528, 12120, 13824, 15640, 17568, 19608, 21760, 24024, 26400, 28888, 31488, 34200, 37024, 39960, 43008, 46168, 49440, 52824, 56320, 59928, 63648, 67480, 71424, 75480...
[ "nonn", "easy" ]
A032449
[ 2, 3, 7, 13, 17, 23, 37, 43, 47, 67, 73, 83, 97, 113, 137, 167, 173, 197, 223, 283, 313, 317, 337, 347, 367, 373, 383, 397, 443, 467, 613, 617, 643, 647, 673, 683, 743, 773, 797, 823, 883, 937, 947, 967, 983, 997, 1223, 12...
[ "nonn", "base", "fini", "full", "easy" ]
A335739
[ 3, 4, 25, 98, 119, 123, 136, 267, 299, 318, 344, 423, 429, 443, 444, 522, 552, 571, 577, 588, 589, 639, 677, 739, 771, 817, 933, 993, 1115, 1212, 1393, 1503, 1558, 1580, 1629, 1756, 1799, 1852, 1871, 1884, 1991, 2027, 2063, 2197, ...
[ "nonn" ]
A118420
[ 7, 10, 18, 64, 71, 527, 1992, 5644, 8813, 19692 ]
[ "nonn", "more", "base" ]
A295583
[ 1, 2, 8, 24, 112, 256, 3456, 7040, 121856, 889344, 9521152, 19044352, 1485742080, 2971492352, 127715852288, 2347710726144, 26083162292224, 52166324715520, 8207231011651584, 16414462023827456, 3388603178995417000, 55218988565243360000, 646700039922421600000, 1.2934000798...
[ "nonn" ]
A353976
[ 1, 1, 1, 4, 1, 1, 1, 32, 9, 1, 1, 48, 1, 1, 15, 512, 1, 9, 1, 80, 21, 1, 1, 9216, 25, 1, 9, 112, 1, 15, 1, 16384, 33, 1, 35, 15552, 1, 1, 39, 25600, 1, 21, 1, 176, 135, 1, 1, 7077888, 49, 25, 51, 208, 1, 9, 5...
[ "nonn" ]
A345905
[ 283, 647, 727, 9791, 10301, 14341, 16361, 18181, 28283, 30703, 63737, 67577, 69197, 69997, 88289, 89399, 939391, 997991, 1003001, 1145411, 1163611, 1201021, 1337431, 1363631, 1452541, 2745373, 2809073, 2881783, 2961593, 3001003, 3064703, 3257623, 32848...
[ "nonn", "base" ]
A007909
[ 1, 1, 1, 3, 7, 13, 25, 51, 103, 205, 409, 819, 1639, 3277, 6553, 13107, 26215, 52429, 104857, 209715, 419431, 838861, 1677721, 3355443, 6710887, 13421773, 26843545, 53687091, 107374183, 214748365, 429496729, 858993459, 1717986919, 3435973837, 68719...
[ "nonn", "easy" ]
A375670
[ 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 2, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0...
[ "nonn", "easy" ]
A264959
[ 1, 9, 27, 80, 216, 448, 1296, 2816, 6400, 13312, 30720, 62208, 139264, 311296, 688128, 1474560, 2985984, 6029312, 12845056, 30408704, 65011712, 131072000, 264241152, 553648128, 1132462080, 2293235712, 4697620480, 9932111872, 20132659200, 41875931136, 88046...
[ "nonn" ]
A188413
[ 166, 17443, 968230, 33313408, 793369090, 14100262412, 197263686098, 2259540285524, 21835069296894, 182229535192536 ]
[ "nonn" ]
A187239
[ 0, 0, 0, 0, 440, 38368, 1022320, 14082528, 126490352, 837543200, 4412818240, 19447224864, 74255991784, 251997948736, 774861621936, 2191005028672, 5764306674400, 14243327787456, 33309659739904, 74194554880960, 158241369977880, 324605935279648, 642894402918768 ]
[ "nonn", "easy" ]
A103920
[ -1, 5, -17, -229, 853, 12113, -46061, -674761, 38733269, -150113729, 8829861373, 134484418361, -525740249453, -8058251350417, 486561579496253, -29557651813108140, 116325817932650580, -7111675770821993000, -110606189396709850000 ]
[ "sign", "easy" ]
A095909
[ 2, 4, 14, 11, 5, 3, 8, 35, 15, 9, 43, 19, 7, 41, 173, 31, 693, 123, 25, 437, 73, 2239, 303, 215, 1349, 165, 9549, 875, 655, 3439, 229, 121, 1401, 599, 163, 853, 295, 103, 307, 157, 2067, 841, 26179, 883, 775, 8465, 417, 63...
[ "nonn" ]
A284594
[ 2, 6, 29, 36, 2480, 14881 ]
[ "nonn", "hard", "more" ]
A252583
[ 0, 1, 1, 2, 9, 793, 499208698, 1.2440746249148107e+26, 1.925481259009967e+78 ]
[ "nonn" ]
A377571
[ 2, 13, 157, 1223, 12127, 104993, 1000597, 10289067, 100080553, 1000447633, 10015225131 ]
[ "nonn", "base", "more" ]
A132990
[ 11, 16, 18, 31, 32, 33, 23, 21, 37, 79, 67, 83, 54, 63, 77, 65, 157, 115, 158, 155, 227, 239, 250, 176, 150, 96, 84, 62, 98, 87, 50, 46, 40, 29, 22, 20, 24, 30, 38, 41, 36, 76, 64, 52, 60, 47, 53, 121, 331, 202, 112,...
[ "nonn" ]
A135415
[ 3, 9, 27, 76 ]
[ "nonn", "hard", "more" ]
A098605
[ 10, 11, 12, 14, 15, 17, 18, 20, 23, 24, 27, 29, 30, 32, 35, 38, 39, 42, 44, 45, 48, 50, 53, 57, 59, 60, 62, 63, 65, 72, 74, 77, 78, 83, 84, 87, 90, 92, 95, 98, 99, 104, 105, 107, 108, 114, 120, 122, 123, 125, 128, ...
[ "easy", "nonn" ]
A272048
[ 4, 8, 15, -3, 76, -45, 113, -73, 169, -128, 204, -200, 412, -320, 504, -404, 524, -504, 704, -628, 924, -869, 1101, -969, 1225, -1148, 1368, -1308, 1796, -1660, 2028, -1784, 2008, -2004, 2360, -2180, 2700, -2648, 3184, -2892, 3108, -3...
[ "sign", "easy" ]
A388123
[ 5, 1, 5, 1, 9, 3, 7, 8, 8, 7, 5, 7, 1, 6, 1, 5, 7, 9, 0, 8, 9, 2, 2, 3, 6, 4, 9, 0, 6, 6, 4, 0, 7, 2, 1, 0, 3, 5, 3, 1, 2, 7, 4, 0, 6, 3, 0, 3, 2, 8, 3, 8, 1, 0, 3, 0, 4, 1, 5, 2, 6, 0, 0, 4...
[ "nonn", "cons" ]
A367187
[ 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 28, 30, 31, 32, 34, 36, 37, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 66, 68, 69, 72, 74, 75,...
[ "nonn" ]
A152176
[ 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 3, 5, 2, 1, 1, 7, 14, 11, 3, 1, 1, 8, 31, 33, 16, 3, 1, 1, 17, 82, 137, 85, 27, 4, 1, 1, 22, 202, 478, 434, 171, 37, 4, 1, 1, 43, 538, 1851, 2271, 1249, 338, 54, 5, 1, 1, ...
[ "nonn", "tabl" ]
A366210
[ 4, 17, 26, 35, 44, 53, 62, 71, 80, 144, 145, 146, 147, 148, 149, 154, 164, 174, 184, 194, 244, 245, 246, 247, 248, 249, 254, 264, 274, 284, 294, 344, 345, 346, 347, 348, 349, 354, 364, 374, 384, 394, 404, 405, 406, 407, 408,...
[ "nonn", "base", "easy" ]
A343940
[ 1, 2, 4, 7, 12, 19, 30, 45, 66, 95, 135, 187, 256, 346, 463, 613, 803, 1040, 1336, 1703, 2158, 2720, 3409, 4244, 5251, 6461, 7911, 9643, 11707, 14157, 17058, 20480, 24502, 29212, 34707, 41094, 48496, 57053, 66926, 78296, 91369, 106376...
[ "nonn" ]
A378055
[ 638000, 13466816, 14753024, 16092999, 19494189, 38137749, 63668079, 80061344, 86119704, 107232255, 112375899, 121550624, 127205000, 154466675, 294147854, 391738599, 553140224, 561712095, 682199595, 728999999, 871651143, 879207615, 911062844, 920985624, 1017609999 ]
[ "nonn" ]
A334519
[ 1, 2, 8, 6, 84, 5904, 24, 1632, 1064304, 2456909824, 120, 51040, 402671760, 15584878111040, 2179875344187129600, 720, 2340480, 273315542400, 217353588326290940, 8.231103942800283e+23 ]
[ "nonn", "tabl", "more" ]
A106432
[ 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 5, 5, 5, 6, 6, 5, 6, 6, 6, 6, 8, 8, 8, 9, 9, 8, 8, 8, 9, 8, 10, 10, 8, 10, 10, 11, 11, 11, 11, 10, 11, 13, 14, 13, 13, 14, 12, 11, 14, 10, 12, 14, 12, 16, 17, 16...
[ "nonn", "base" ]
A283013
[ 1, 10, 100, 1001, 10000, 100101, 1000000, 10010101, 100000000, 1001010101, 10000000000, 100101010101, 1000000000000, 10010101010101, 100000000000000, 1001010101010001, 10000000000000100, 100101010101011000, 1000000000000000000, 10010101010001010000 ]
[ "nonn", "easy" ]
A131717
[ 1, 2, 3, 5, 4, 6, 7, 8, 9, 11, 10, 12, 13, 14, 15, 17, 16, 18, 19, 20, 21, 23, 22, 24, 25, 26, 27, 29, 28, 30, 31, 32, 33, 35, 34, 36, 37, 38, 39, 41, 40, 42, 43, 44, 45, 47, 46, 48, 49, 50, 51, 53, 52, 54, 5...
[ "nonn", "easy" ]
A174877
[ 7, 13, 17, 31, 73, 97, 113, 193, 211, 241, 277, 349, 353, 409, 449, 571, 601, 673, 769, 829, 997, 1009, 1039, 1129, 1201, 1291, 1381, 1409, 1429, 1753, 1861, 2089, 2137, 2341, 2393, 2633, 2689, 2713, 2797, 3001, 3109, 3121, 3169, ...
[ "nonn" ]
A284689
[ 0, 0, 0, 4, 0, 0, 4, 0, 4, 0, 6, 6, 8, 8, 8, 10, 15, 26, 17, 34, 39, 32, 73, 54, 99, 68, 133, 138, 167, 256, 261, 338, 357, 467, 545, 668, 775, 958, 1107, 1298, 1370, 1867, 2005, 2311, 2840, 3198, 3818, 4258, 4945, 596...
[ "nonn" ]
A155644
[ 1, 7, 97, 1207, 14017, 157927, 1755937, 19409047, 213968257, 2355994567, 25927658977, 285262842487, 3138184236097, 34521491440807, 379743730067617, 4177217651837527, 45949577275681540, 505446265559840640 ]
[ "nonn", "easy" ]
A168467
[ 1, 6, 720, 3628800, 1316818944000, 52563198423859200000, 3.273121298998985e+29, 4.280176826055836e+41, 1.5224050870559006e+56 ]
[ "easy", "nonn" ]
A343756
[ 1, 1, 2, 4, 9, 20, 45, 102, 232, 528, 1203, 2742, 6252, 14258, 32519, 74173, 169189, 385929, 880337, 2008141, 4580803, 10449377, 23836364, 54373853, 124033933, 282937887, 645419092, 1472287344, 3358484832, 7661154644, 17476122569, 39865383333, 90938296...
[ "nonn" ]
A238643
[ 0, 0, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 3, 4, 2, 1, 3, 1, 2, 5, 2, 3, 3, 1, 2, 3, 3, 1, 4, 2, 1, 4, 2, 3, 5, 3, 1, 2, 2, 2, 3, 3, 4, 4, 2, 3, 2, 1, 2, 5, 1, 3, 4, 1, 2, 3, 1, 2, 4, 4, 2, 5, 4...
[ "nonn" ]
A355062
[ 4, 8, 9, 16, 25, 27, 36, 49, 125, 128, 144, 169, 225, 256, 289, 1156, 1225, 1369, 1444, 4489, 6889, 11236, 11449, 13456, 13689, 27889, 33489, 111556, 112225, 113569, 134689, 146689, 344569, 444889, 2666689, 2778889, 11115556, 11122225, 1113...
[ "nonn", "base" ]
A162064
[ 2, 6, 18, 100, 794, 11268, 264083, 11030649, 813916625, 107746920222, 24945674297719, 9651792274718292 ]
[ "nonn" ]
A376259
[ 45, 495, 4356, 4545, 4995, 19602, 29403, 39204, 43956, 45045, 49005, 49995, 68607, 197802, 296703, 395604, 439956, 450045, 454545, 494505, 495495, 499995, 593406, 692307, 791208, 890109, 1979802, 2969703, 3959604, 4399956, 4500045, 4549545, 4949505, ...
[ "nonn", "base" ]
A301698
[ 1, 6, 16, 32, 54, 81, 113, 150, 192, 240, 294, 353, 417, 486, 560, 640, 726, 817, 913, 1014, 1120, 1232, 1350, 1473, 1601, 1734, 1872, 2016, 2166, 2321, 2481, 2646, 2816, 2992, 3174, 3361, 3553, 3750, 3952, 4160, 4374, 4593, 4817, ...
[ "nonn" ]
A034160
[ 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 7, 8, 10, 12, 14, 16, 19, 21, 24, 26, 28, 29, 31, 31, 32, 32, 32, 31, 31, 29, 28, 26, 24, 21, 19, 16, 14, 12, 10, 8, 7, 5, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
[ "nonn" ]
A239977
[ 0, 1, 3, 6, 9, 10, 9, 14, 33, 18, -135, 22, 2097, 26, -38199, 30, 929601, 34, -28820583, 38, 1109652945, 42, -51943281687, 46, 2905151042529, 50, -191329672483911, 54, 14655626154768752, 58, -1291885088448017700, 62, 129848163681107300000, 66 ]
[ "sign", "easy" ]
A100984
[ 1, 3, 10, 5, 2, 108, 2, 8, 795, 6, 2, 1493, 2, 6, 1172, 13, 2 ]
[ "nonn", "hard", "more" ]
A311113
[ 1, 4, 8, 12, 15, 22, 23, 28, 35, 40, 45, 42, 56, 54, 64, 62, 70, 78, 73, 92, 81, 102, 93, 106, 109, 106, 130, 110, 136, 122, 142, 142, 137, 164, 139, 170, 151, 176, 173, 168, 198, 168, 204, 180, 210, 204, 199, 232, 197, ...
[ "nonn" ]
A067303
[ 1, 18, 1752, 282304, 54547200, 11478167040, 2533556365312, 576271774875648, 133776598692003840, 31513560479297044000, 7.505638177922588e+21, 1.8029248787277022e+24, 4.360264307837623e+26 ]
[ "nonn", "easy" ]
A082767
[ 1, 3, 5, 7, 9, 12, 14, 16, 18, 21, 23, 26, 28, 31, 34, 36, 38, 41, 43, 46, 49, 52, 54, 57, 59, 62, 64, 67, 69, 73, 75, 77, 80, 83, 86, 89, 91, 94, 97, 100, 102, 106, 108, 111, 114, 117, 119, 122, 124, 127, 130, 133...
[ "nonn" ]
A249006
[ 416, 6872, 91888, 706704, 4149708, 16909524, 61034658, 179220600, 484680810, 1179584718, 2691862296, 5660060962, 11419487998, 21680491596, 39877845854, 70202009284, 120203803140, 198769546216, 321758154748, 506644858160 ]
[ "nonn" ]
A155022
[ 0, 66, 516, 3450, 7200, 8850, 12480, 16500, 18234, 18534, 19440, 21246, 26466, 28596, 39036, 41634, 43500, 43710, 54186, 54876, 59316, 68886, 77184, 81540, 82134, 88044, 89064, 95796, 97530, 98610, 108294, 111864, 113160, 120534, 120696 ]
[ "nonn" ]
A000012
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1...
[ "nonn", "core", "easy", "mult", "cofr", "cons", "tabl" ]
A347373
[ 21, 55, 73, 116, 105, 208, 141, 428, 335, 424, 329, 952, 365, 924, 789, 1834, 742, 2119, 936, 3365, 1762, 2694, 1812, 7274, 2058, 5109, 4024, 9812, 3706, 10258, 4404, 18905, 7664, 13482, 8041, 31541, 8473, 21882, 16148, 48952, 14259, ...
[ "nonn", "hard" ]
A082701
[ 7, 49, 103, 193, 367, 1003, 20365, 37447, 56083 ]
[ "nonn", "base", "more" ]
A274362
[ 5984, 11780, 20349, 22815, 24794, 26144, 27675, 29799, 31724, 33579, 33824, 34335, 34748, 36764, 37323, 37664, 38324, 38367, 38675, 38709, 40544, 41624, 42020, 44505, 44954, 47564, 47684, 48950, 50024, 51204, 52155, 52767, 53703, 53955, 54495, 55...
[ "nonn" ]
A072610
[ 3, 11, 29, 67, 69, 71, 179, 181, 189, 441, 1059, 2699, 6453, 6459, 6471, 15927, 40071, 40083, 40121, 100363, 251705, 251707, 251709, 251721, 251723, 251735, 251737, 251741, 251761, 637233, 637235, 637319, 637321, 637323, 637325, 637329, 637333 ...
[ "nonn" ]
A195419
[ 8, 18, 27, 28, 33, 34, 36, 37, 38, 44, 46, 47, 48, 49, 57, 58, 68, 75, 76, 77, 78, 81, 82, 83, 85, 86, 87, 88, 89, 94, 96, 97, 98, 99 ]
[ "nonn", "base" ]
A280234
[ 1, 7, 2, 5, 9, 8, 2, 4, 5, 7, 8, 7, 8, 7, 1, 9, 1, 0, 8, 7, 1, 9, 0, 8, 5, 3, 1, 9, 4, 0, 6, 2, 0, 8, 5, 3, 6, 6, 5, 9, 6, 0, 2, 6, 6, 2, 0, 5, 9, 5, 4, 9, 4, 2, 7, 6, 7, 8, 7, 5, 2, 9, 0, 9...
[ "cons", "nonn" ]
A207077
[ 0, 91, 216, 355, 387, 528, 568, 795, 1120, 1491, 1960, 2635, 3408, 3588, 4387, 4615, 5916, 7791, 9940, 12663, 16588, 21087, 22135, 26788, 28116, 35695, 46620, 59143, 75012, 97887, 124108, 130216, 157335, 165075, 209248, 272923, 345912, 438403...
[ "nonn", "easy" ]
A101880
[ 1, 1, 3, 9, 35, 161, 913, 6103, 47319, 416235, 4092155, 44424095, 527511445, 6798907249, 94504286703, 1408973416617, 22426222745159, 379522092608177, 6804315177704869, 128828842646944130, 2568533750228604000, 53788282243854340000, 1.1803571628406246e+21 ]
[ "nonn", "nice" ]
A383900
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[ "nonn", "tabl" ]
A361780
[ 0, 1, 3, 4, 6, 7, 8, 9, 10, 11, 13, 14, 16, 17, 18, 19, 30, 31, 33, 34, 36, 37, 38, 39, 40, 41, 43, 44, 46, 47, 48, 49, 60, 61, 63, 64, 66, 67, 68, 69, 70, 71, 73, 74, 76, 77, 78, 79, 80, 81, 83, 84, 86, 87, ...
[ "nonn", "base", "less" ]
A348315
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[ "nonn" ]
A123083
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[ "nonn", "tabf" ]
A013293
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[ "sign" ]
A259589
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[ "nonn", "easy", "frac" ]
A386749
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[ "nonn", "mult", "easy", "changed" ]
A132763
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[ "easy", "nonn" ]
A367124
[ 0, 0, 1, 4, 10, 28, 39, 68, 81, 116, 140, 186, 204, 288, 307 ]
[ "nonn", "more" ]
A045189
[ 18, 43, 68, 83, 88, 91, 92, 94, 98, 118, 168, 193, 208, 213, 216, 217, 219, 223, 243, 293, 318, 333, 338, 341, 342, 344, 348, 368, 408, 413, 416, 417, 419, 423, 433, 438, 441, 442, 444, 448, 456, 457, 459, 461, 462, 464, 471...
[ "nonn", "base" ]
A356582
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[ "nonn", "tabl" ]
A068970
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[ "easy", "nonn", "mult" ]
A131005
[ 0, 1, 3, 2, 8, 7, 4, 6, 5, 22, 21, 17, 20, 18, 11, 10, 14, 19, 16, 9, 12, 15, 13, 64, 63, 58, 62, 59, 48, 46, 54, 61, 57, 45, 49, 55, 50, 33, 30, 26, 29, 27, 39, 38, 51, 60, 56, 42, 44, 53, 47, 28, 23, 24, 34...
[ "nonn" ]
A033181
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[ "nonn" ]
A053130
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[ "nonn", "easy" ]
A296498
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[ "nonn", "easy", "cons" ]
A193280
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[ "nonn", "tabf" ]
A062683
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[ "base", "easy", "nonn" ]
A206452
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[ "nonn" ]
A152425
[ 1, 1, 5, 329, 137483613, 4.5095832379783093e+27, 2.426399396335457e+101 ]
[ "nonn" ]
A312806
[ 1, 4, 8, 16, 20, 30, 29, 40, 36, 48, 47, 60, 62, 74, 70, 84, 72, 92, 86, 102, 106, 116, 111, 128, 110, 134, 127, 144, 148, 160, 150, 172, 148, 178, 166, 188, 190, 202, 191, 214, 186, 222, 207, 230, 234, 244, 230, 258, 22...
[ "nonn" ]
A056489
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[ "nonn", "easy" ]
A327198
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[ "nonn" ]
A062580
[ 3, 11, 83, 461, 659, 1129, 3797, 83869 ]
[ "nonn", "hard", "more" ]
A190837
[ 1, 0, 1, 400598, 1530622143864, 28920026907938623000, 2.0707567467759102e+27, 4.594083858762508e+35, 2.7125974113189505e+44, 3.790650458363078e+53 ]
[ "nonn" ]
A302976
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[ "nonn" ]
A031036
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[ "nonn" ]
A334852
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[ "nonn" ]
A028851
[ 0, 0, 3, 0, 12, 0, 40, 21, 188, 0 ]
[ "nonn", "more" ]
A338826
[ 1, -1, 0, -1, 2, -2, 2, -3, 4, -4, 5, -7, 8, -9, 11, -13, 15, -18, 21, -24, 28, -32, 37, -43, 49, -55, 63, -72, 81, -92, 104, -117, 131, -147, 166, -185, 206, -231, 257, -285, 317, -353, 391, -432, 478, -528, 583, -643, ...
[ "sign" ]
A092884
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[ "nonn" ]
A153200
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[ "nonn", "cons" ]