id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A024165
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 2, 1, 1, 2, 2, 1, 4, 2, 2, 4, 4, 2, 6, 4, 4, 6, 6, 4, 9, 6, 6, 9, 9, 6, 12, 9, 9, 12, 12, 9, 16, 12, 12, 16, 16, 12, 20, 16, 16, 20, 20, 16, 2...
[ "nonn", "easy" ]
A210122
[ 11369, 836053, 62169169, 4697571356, 357147640252, 27242258026525, 2081130274494177, 159103072099072260, 12167807736843750000, 930723556934988900000, 7.119753299282089e+22, 5.446612503376878e+24 ]
[ "nonn" ]
A149957
[ 1, 2, 5, 16, 52, 182, 669, 2504, 9698, 38195, 152767, 621076, 2549560, 10581714, 44310835, 186883460, 794030970, 3393309246, 14581119513, 62974335852, 273154359474, 1189789622673, 5201720413303, 22819093413662, 100426881360373, 443259890866905, 1961797012311293, ...
[ "nonn", "walk" ]
A254847
[ 192, 576, 1632, 4624, 13328, 38416, 110544, 318096, 913680, 2624400, 7549200, 21715600, 62425360, 179452816, 515960336, 1483482256, 4265261840, 12263347600, 35258287120, 101370918544, 291456195856, 837979129744, 2409294812688 ]
[ "nonn" ]
A141983
[ 7, 181, 239, 587, 761, 877, 1051, 1109, 1283, 1399, 1747, 1979, 2153, 2269, 2617, 2791, 3023, 3313, 3371, 3719, 4241, 4357, 4937, 5227, 5749, 5807, 5923, 5981, 6271, 6329, 6619, 6793, 6967, 7489, 7547, 8011, 8069, 8243, 8707, 9403, 9461...
[ "nonn", "easy" ]
A155019
[ 0, 1, 362, 11363, 131072, 873464, 4114202, 15252229, 47453132, 129140163, 316227766, 710947978, 1489500287, 2941158941, 5521897022, 9926032708, 17179869184, 28761784747, 46753733110, 74029634996, 114486680447 ]
[ "nonn" ]
A139631
[ 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 3, 2, 4, 2, 5, 4, 6, 5, 8, 6, 11, 8, 13, 10, 16, 14, 20, 17, 24, 21, 31, 26, 37, 32, 44, 41, 54, 49, 64, 59, 79, 72, 94, 86, 111, 106, 132, 126, 156, 149, 187, 178, 219, 210, 257...
[ "nonn" ]
A263283
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 9, 10, 11, 10, 11, 12, 11, 11, 12, 12, 13, 12, 13, 14, 15, 13, 13, 14, 14, 14, 15, 14, 15, 15, 16, 16, 15, 15, 16, 17, 16, 16, 17, 16, 17, 17, 16, 17, 18, 16, 17, 17, 17, 17, 18, 17...
[ "nonn", "nice" ]
A287777
[ 2, 4, 6, 8, 11, 13, 15, 17, 19, 21, 23, 26, 28, 30, 32, 35, 37, 39, 41, 43, 45, 47, 50, 52, 54, 56, 58, 60, 62, 65, 67, 69, 71, 74, 76, 78, 80, 82, 84, 86, 89, 91, 93, 95, 98, 100, 102, 104, 106, 108, 110, 113, 1...
[ "nonn", "easy" ]
A245142
[ 1, 0, 1, 1, 3, 3, 8, 9, 21, 28, 56, 81, 159, 237, 444, 701, 1273, 2060, 3699, 6099, 10840, 18180, 32079, 54417, 95787, 163868, 287914, 496171, 871270, 1509676, 2652068, 4615810, 8114578, 14176261, 24947471, 43718822, 77031659, 135350915, 23...
[ "nonn" ]
A138993
[ 1, 4, 9, 16, 27, 41, 49, 63, 102, 114, 169, 187, 203, 221, 304, 328, 409, 441, 465, 495, 525, 559, 769, 811, 867, 907, 826, 854, 886, 938, 1403, 1451, 1505, 1555, 1786, 1838, 1741, 2125, 2193, 2605, 2325, 2005, 2479, 2318, 2362,...
[ "nonn" ]
A353268
[ 2, 2, 8, 6, 18, 2, 50, 12, 20, 8, 98, 14, 242, 18, 32, 24, 338, 6, 578, 54, 72, 50, 722, 28, 42, 98, 60, 150, 1058, 2, 1682, 48, 200, 242, 162, 70, 1922, 338, 392, 108, 2738, 8, 3362, 294, 44, 578, 3698, 56, 110, 20, ...
[ "nonn" ]
A267801
[ 1, 11, 10011, 1110011, 111110011, 11111110011, 1111111110011, 111111111110011, 11111111111110012, 1111111111111110000, 111111111111111110000, 1.1111111111111111e+22, 1.1111111111111111e+24, 1.111111111111111e+26, 1.1111111111111112e+28 ]
[ "nonn", "easy" ]
A312277
[ 1, 4, 8, 14, 16, 22, 24, 30, 32, 42, 42, 54, 52, 58, 64, 62, 68, 70, 76, 86, 82, 98, 100, 102, 108, 106, 116, 110, 120, 130, 122, 142, 144, 142, 156, 150, 160, 154, 168, 174, 162, 186, 188, 182, 200, 190, 208, 198, 212, ...
[ "nonn" ]
A080855
[ 1, 4, 16, 37, 67, 106, 154, 211, 277, 352, 436, 529, 631, 742, 862, 991, 1129, 1276, 1432, 1597, 1771, 1954, 2146, 2347, 2557, 2776, 3004, 3241, 3487, 3742, 4006, 4279, 4561, 4852, 5152, 5461, 5779, 6106, 6442, 6787, 7141, 7504, 787...
[ "nonn", "easy" ]
A076043
[ 2, 7, 29, 35, 14, 11, 5, 31, 33, 3, 6, 10, 15, 21, 43, 38, 26, 23, 13, 51, 30, 19, 17, 47, 34, 66, 55, 89, 107, 37, 159, 97, 227, 62, 59, 22, 42, 39, 61, 83, 86, 58, 111, 85, 239, 122, 74, 70, 155, 41, 103, 93, 1...
[ "nonn", "easy" ]
A022531
[ 1, 32767, 14316139, 1059392917, 29443836301, 439667406451, 4277376525367, 30436810578889, 170706760005817, 794108867905351, 3177248169415651, 11229773405170716, 35778871439504388, 104382202543721470, 282325794823047140, 715027614225987600, 1709501546902968800 ]
[ "nonn", "easy" ]
A062814
[ 0, 1, 6, 38, 326, 3739, 53808, 927420, 18578248, 423649565, 10828720882, 306545462810, 9518362652994, 321605286435431, 11745699035775884, 461063683165975700, 19357125741005726000, 865493449685182200000 ]
[ "nonn", "easy" ]
A009588
[ 1, 2, 8, -232, -25600, -2258048, -212565376, -21159275264, -1935285600256, -49976214294528, 63805712413261820, 35001400723765723000, 1.4864146970063529e+22, 5.87332214768291e+24, 2.1792832359193294e+27, 6.842069038185467e+29 ]
[ "sign" ]
A310301
[ 1, 3, 8, 13, 17, 21, 22, 27, 36, 35, 41, 45, 46, 53, 60, 57, 63, 73, 72, 77, 84, 79, 89, 101, 92, 101, 108, 105, 115, 123, 114, 123, 138, 131, 137, 147, 136, 151, 166, 149, 161, 171, 164, 177, 186, 171, 183, 203, 190, ...
[ "nonn" ]
A179392
[ 0, 0, 1, 0, 1, 0, 1, 2, 3, 0, 1, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 4, 6, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 5, 3, 6, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 4, 8, 8, 0, 1, 2, 3, 4, 6, 7, 9, 3, 5, ...
[ "nonn", "tabf" ]
A130504
[ 0, 1, 1, 1, 2, 0, 1, 3, 1, 1, 2, 1, 1, 4, 0, 1, 8, 2, 3, 4, 1, 3, 7, 3, 0, 4, 3, 3, 6, 2, 1, 6, 2, 3, 6, 2, 3, 7, 4, 2, 8, 2, 4, 7, 2, 3, 15, 5, 3, 6, 2, 5, 13, 5, 1, 6, 2, 3, 21, 3, 3, 14, 3,...
[ "nonn" ]
A318984
[ 1, 2, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 4, 0, 4, 0, 0, 0, 4, 0, 2, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 2, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0...
[ "nonn", "easy" ]
A306302
[ 0, 4, 16, 46, 104, 214, 380, 648, 1028, 1562, 2256, 3208, 4384, 5924, 7792, 10052, 12744, 16060, 19880, 24486, 29748, 35798, 42648, 50648, 59544, 69700, 80992, 93654, 107596, 123374, 140488, 159704, 180696, 203684, 228624, 255892, 285152, 317...
[ "nonn" ]
A389297
[ 3528, 5292, 5400, 7200, 8712, 9000, 9800, 10584, 10800, 12168, 13068, 13500, 14112, 14400, 15876, 16200, 17640, 18000, 18252, 19600, 20808, 21168, 21600, 24300, 24336, 24500, 24696, 25992, 26136, 26460, 27000, 28224, 28800, 29400, 31212, 31752, ...
[ "nonn", "easy" ]
A291186
[ 1, 1, 3, 8, 5, 9, 7, 16, 9, 25, 11, 288, 13, 49, 225, 1024, 17, 972, 19, 4000, 441, 121, 23, 41472, 125, 169, 729, 10976, 29, 101250, 31, 16384, 1089, 289, 1225, 1119744, 37, 361, 1521, 320000, 41, 388962, 43, 42592, 30375, 52...
[ "nonn", "frac" ]
A033535
[ 1, 1, 108, 49793133, 17312701462385916000, 4.63310369790129e+38 ]
[ "nonn", "more" ]
A274587
[ 1, 23, 176, 5968, 888778, 30192278, 233944673, 7947232183, 1183597668523, 40207478867501, 311547395822378, 10583440358908726, 1576213585538112800, 53544862512524600000, 414892028679967900000, 1.4094115694115828e+22, 2.0990656988501185e+24 ]
[ "nonn", "easy" ]
A197417
[ 3, 8, 0, 7, 9, 8, 4, 5, 0, 3, 8, 6, 1, 9, 1, 2, 5, 4, 6, 8, 0, 8, 5, 5, 5, 4, 4, 9, 1, 1, 1, 3, 6, 6, 4, 2, 2, 1, 9, 3, 6, 1, 3, 8, 3, 2, 0, 1, 4, 2, 5, 8, 3, 0, 4, 3, 5, 5, 0, 6, 7, 5, 4, 8...
[ "nonn", "cons" ]
A051577
[ 1, 5, 35, 315, 3465, 45045, 675675, 11486475, 218243025, 4583103525, 105411381075, 2635284526875, 71152682225625, 2063427784543125, 63966261320836870, 2110886623587616800, 73881031825566600000, 2.733598177545964e+21, 1.0661032892429258e+23 ]
[ "easy", "nonn" ]
A323371
[ 1, 2, 3, 4, 3, 5, 3, 6, 7, 8, 3, 9, 3, 10, 11, 12, 3, 13, 3, 14, 15, 16, 3, 17, 18, 15, 19, 20, 3, 21, 3, 22, 23, 24, 25, 26, 3, 27, 25, 28, 3, 29, 3, 30, 31, 32, 3, 33, 34, 35, 36, 37, 3, 38, 39, 40, 41,...
[ "nonn" ]
A197041
[ 1, 7, 120, 7407, 1563352, 1146653592, 2887590375825, 24713390632082080 ]
[ "nonn" ]
A066227
[ 2, 3, 19, 157, 2917 ]
[ "nonn", "base" ]
A221911
[ 1, 18, 99, 756, 6597, 59094, 531495, 4783032, 43046793, 387420570, 3486784491, 31381059708, 282429536589, 2541865828446, 22876792455087, 205891132094784, 1853020188851985, 16677181699666722, 150094635296999300, 1350851717672992300, 12157665459056929000 ]
[ "nonn", "easy" ]
A366847
[ 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 91, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150...
[ "nonn" ]
A094779
[ 0, 0, 0, 1, 2, 6, 12, 29, 58, 2, 4, 50, 100, 332, 664, 1757, 3514, 8458, 16916, 38694, 77388, 171572, 343144, 745074, 1490148, 3188308, 6376616, 13496132, 26992264, 56658968, 113317936, 236330717, 472661434, 980680538, 1961361076, 4052366942, 8...
[ "nonn" ]
A067369
[ 0, 0, 4, 22, 166, 1266, 11166, 106128, 1122192, 12809520, 159451920, 2128973760, 30594214080, 468275713920, 7641089769600, 131971588761600, 2412294180710400, 46422407927347200, 940023724189132800, 19949344876532736000, 443393309963068440000, 1.0288553164881869e+22 ]
[ "easy", "nice", "nonn" ]
A343953
[ 0, 0, 1, 0, 1, 4, 0, 1, 2, 9, 0, 1, 2, 5, 16, 0, 1, 2, 3, 8, 25, 0, 1, 2, 3, 6, 13, 36, 0, 1, 2, 3, 4, 9, 18, 49, 0, 1, 2, 3, 4, 7, 12, 25, 64, 0, 1, 2, 3, 4, 5, 10, 17, 32, 81, 0, 1, 2, 3, 4, 5, ...
[ "nonn", "tabl" ]
A334045
[ 0, 0, 0, 0, 2, 0, 0, 0, 6, 4, 4, 0, 2, 0, 0, 0, 14, 12, 12, 8, 10, 8, 8, 0, 6, 4, 4, 0, 2, 0, 0, 0, 30, 28, 28, 24, 26, 24, 24, 16, 22, 20, 20, 16, 18, 16, 16, 0, 14, 12, 12, 8, 10, 8, 8, 0, 6, 4, 4, ...
[ "easy", "base", "nonn" ]
A053306
[ 2, 4, 4, 5, 5, 4, 4, 4, 4, 3, 4, 4, 5, 7, 6, 8, 8, 8, 8, 5, 7, 9, 9, 10, 10, 9, 9, 9, 9, 6, 9, 11, 11, 12, 12, 11, 11, 11, 11, 7, 10, 12, 12, 13, 13, 12, 12, 12, 12, 9, 12, 14, 14, 15, 15, 14, 14, 14, ...
[ "easy", "nice", "nonn", "word" ]
A193541
[ 1, 1, -3, -27, 441, 11529, -442827, -23444883, 1636819569, 145703137041, -16106380394643, -2164638920874507, 347592265948756540, 65724760945840250000, -1.4454276753061348e+22, -3.658147171522531e+24, 1.0556462298159108e+27 ]
[ "sign" ]
A357220
[ 1, 2, 3, 5, 11, 31, 101, 355, 1304, 4938, 19155, 75857, 306075, 1256782, 5248018, 22278742, 96141427, 421787510, 1881594580, 8537257714, 39408291543, 185114771571, 885043068109, 4307374572585, 21340519926034, 107627435856554, 552473684683454, 2885909702592788 ]
[ "nonn" ]
A176858
[ 1, 4, 6, 25, 94, 419, 1884, 8866, 42524, 208361, 1036268, 5222754, 26607772, 136824505, 709211688, 3701711655, 19438809610, 102629612589, 544446273752, 2900686264810, 15514063940500, 83266691903815, 448333365133264 ]
[ "easy", "nonn" ]
A057439
[ 0, 1, 14, 38, 44, 46, 84, 86, 90, 94, 96, 100, 104, 106, 154, 156, 160, 162, 164, 166, 170, 172, 174, 176, 178, 180, 182, 184, 188, 190, 192, 196, 198, 200, 202, 258, 260, 262, 264, 266, 268, 270, 272, 274, 276, 278, 280, ...
[ "nonn" ]
A381865
[ 1, 1, 13, 308682013, 2.0447648974223715e+43 ]
[ "nonn", "more" ]
A218303
[ 1, 1, 6, 76, 1480, 39056, 1303904, 52716224, 2504292480, 136741146880, 8439125550592, 580959483530240, 44138582550333440, 3668643339883090000, 331143571990522040000, 3.225818501568353e+22, 3.373221864252806e+24, 3.7688184588900185e+26 ]
[ "nonn" ]
A255703
[ 3, 4, 8, 7, 3, 5, 4, 8, 9, 7, 8, 5, 6, 9, 3, 8, 2, 6, 7, 5, 9, 5, 6, 0, 4, 0, 5, 6, 1, 0, 5, 8, 5, 6, 1, 7, 1, 1, 6, 0, 6, 0, 4, 7, 2, 0, 7, 6, 4, 1, 7, 2, 0, 1, 7, 9, 3, 1, 0, 5, 4, 8, 0, 0...
[ "nonn", "cons", "easy" ]
A055233
[ 10, 39, 155, 371, 2935561623745, 454539357304421 ]
[ "nice", "nonn" ]
A011262
[ 1, 4, 9, 2, 25, 36, 49, 16, 3, 100, 121, 18, 169, 196, 225, 8, 289, 12, 361, 50, 441, 484, 529, 144, 5, 676, 81, 98, 841, 900, 961, 64, 1089, 1156, 1225, 6, 1369, 1444, 1521, 400, 1681, 1764, 1849, 242, 75, 2116, 2209, 72,...
[ "nonn", "easy", "mult" ]
A079902
[ 1, 0, 4, -4, 12, -20, 40, -68, 124, -208, 352, -580, 944, -1508, 2392, -3732, 5772, -8836, 13396, -20132, 30024, -44412, 65240, -95188, 137984, -198808, 284816, -405764, 575072, -810980, 1138184, -1590132, 2211868, -3063740, 4226640, -5808372, ...
[ "sign" ]
A139710
[ 2, 6, 10, 12, 14, 18, 20, 22, 26, 28, 30, 34, 38, 40, 42, 44, 46, 50, 52, 54, 56, 58, 62, 66, 68, 70, 72, 74, 76, 78, 82, 84, 86, 88, 90, 92, 94, 98, 102, 104, 106, 108, 110, 114, 116, 118, 122, 124, 126, 130, 132, ...
[ "nonn" ]
A163245
[ 49, 121, 144, 169, 324, 484, 625, 900, 1089, 1156, 1369, 1444, 1681, 2116, 2916, 3249, 3600, 3844, 4225, 4900, 5184, 5329, 6241, 6889, 7396, 7744, 8100, 8649, 8836, 9025, 10201, 11449, 11881, 12100, 12769, 14161, 14400, 14884, 15129, 1638...
[ "nonn" ]
A250892
[ 127, 431, 1450, 4750, 15111, 47061, 144442, 439056, 1326285, 3990883, 11981256, 35923998, 107646283, 322490625, 966132822, 2894737036, 8674725225, 26000484927, 77943849220, 233694315930, 700761297831, 2101539929629 ]
[ "nonn" ]
A005036
[ 1, 1, 2, 5, 16, 60, 261, 1243, 6257, 32721, 175760, 963900, 5374400, 30385256, 173837631, 1004867079, 5861610475, 34469014515, 204161960310, 1217145238485, 7299007647552, 44005602441840 ]
[ "core", "nonn", "nice" ]
A079355
[ 1, 5, 9, 13, 10, 14, 18, 22, 19, 16, 20, 24, 21, 18, 22, 19, 23, 20, 17, 14, 11, 8, 5, 2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 35, 32, 36, 40, 37, 41, 38, 35, 39, 43, 47, 51, 55, 52, 56, 60, 64, 61, 58, 62, 66, ...
[ "nonn", "hear" ]
A288560
[ 1, 1, 2, 11, 156, 16782 ]
[ "nonn", "more" ]
A129290
[ 4, 28, 19684, 7625597484988, 4.434264882430378e+38, 8.718964248596095e+115 ]
[ "nonn" ]
A119405
[ 2, 3, 5, 17, 19, 43, 47, 53, 59, 61, 67, 71, 79, 89, 101, 151, 223, 227, 229, 233, 317, 337, 359, 373, 383, 457, 461, 467, 509, 521, 563, 569, 617, 653, 661, 673, 677, 683, 709, 727, 743, 769, 773, 797, 809, 811, 827, 829,...
[ "nonn", "base", "less" ]
A287539
[ 1, 1, 0, 1, 10, 1, 10, 1, 1110, 1, 0, 1111, 0, 0, 11, 0, 11110000, 11, 0, 11110000, 0, 10000, 100000, 10000, 100000, 10000, 100000, 10000, 100000, 10000, 100000, 10000, 1111111100100000, 10000, 100000, 1111111100010000, 100000, 10000, 11111...
[ "nonn", "easy" ]
A181415
[ 1, 1, 1, 1, 6, 2, 1, 12, 9, 36, 6, 1, 20, 40, 120, 180, 240, 24, 1, 30, 75, 50, 300, 1200, 300, 1200, 2700, 1800, 120, 1, 42, 126, 210, 630, 3150, 2100, 3150, 4200, 25200, 12600, 12600, 37800, 15120, 720, 1, 56, 196, 392, ...
[ "nonn", "tabf" ]
A220736
[ 1, 85, 2276, 78418, 2792479, 94226589, 3287610473, 113721332657, 3938053379575, 136391275221050, 4722786906754895, 163558767077415000, 5664109467155941000, 196151416904655300000, 6.79284207633088e+21, 2.35240039699005e+23 ]
[ "nonn" ]
A254565
[ 116056, 536906, 2647806, 4796417, 10679860, 25591173, 45085796, 101378800, 196258426, 401333712, 788651082, 1539724687, 2943252490, 5549226489, 10301160312, 18857921168, 34041174352, 60655369674, 106683727874 ]
[ "nonn" ]
A229348
[ 1, 3, 4, 7, 193, 200, 3393, 2273510, 20464983, 63668459, 147801901, 211470360, 2896916581, 3108386941, 15330464345, 18438851286, 33769315631, 52208166917, 347018317133, 399226484050, 4738509641683, 9876245767416, 14614755409099, 39105756585614 ]
[ "nonn", "frac", "easy" ]
A026827
[ 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 11, 12, 14, 16, 18, 20, 23, 26, 29, 33, 37, 42, 47, 53, 59, 67, 74, 83, 93, 104, 115, 129, 143, 160, 17...
[ "nonn" ]
A081037
[ 1, -1, 3, -7, 16, -36, 80, -176, 384, -832, 1792, -3840, 8192, -17408, 36864, -77824, 163840, -344064, 720896, -1507328, 3145728, -6553600, 13631488, -28311552, 58720256, -121634816, 251658240, -520093696, 1073741824, -2214592512, 4563402752, -9395240960...
[ "easy", "sign" ]
A171287
[ 13, 169, 2185, 28141, 364144, 4697950, 60538918, 781156177, 10068991557, 129765567556 ]
[ "nonn" ]
A306828
[ 7816642561, 49413980161, 32713826587115520 ]
[ "nonn", "hard", "more", "bref" ]
A050502
[ 0, 2, 4, 6, 9, 11, 14, 17, 20, 24, 27, 30, 34, 37, 41, 45, 49, 53, 56, 60, 64, 69, 73, 77, 81, 85, 89, 94, 98, 103, 107, 111, 116, 120, 125, 130, 134, 139, 143, 148, 153, 157, 162, 167, 172, 177, 181, 186, 191, 196, ...
[ "nonn" ]
A183128
[ 1, 1, 2, 5, 131, 527019, 384803612051, 118132908813157840000, 7.963186263790446e+33, 1.1687615352499436e+53 ]
[ "nonn" ]
A367791
[ 3770, 12122, 12426, 17574, 19158, 22074, 28574, 31506, 40922, 46322, 47382, 50930, 52854, 57174, 60378, 61586, 66174, 72474, 74222, 77231, 78774, 85074, 85526, 87954, 89090, 91322, 91374, 95226, 97622, 99582, 104210, 106674, 113734, 118374, 120786,...
[ "nonn" ]
A377754
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[ "nonn", "easy" ]
A242424
[ 1, 2, 4, 3, 6, 6, 10, 5, 12, 9, 14, 10, 22, 15, 18, 7, 26, 20, 34, 15, 30, 21, 38, 14, 27, 33, 40, 25, 46, 30, 58, 11, 42, 39, 45, 28, 62, 51, 66, 21, 74, 50, 82, 35, 60, 57, 86, 22, 75, 45, 78, 55, 94, 56, 6...
[ "nonn" ]
A089776
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[ "base", "nonn" ]
A057785
[ 0, 1, 2, 1, 1, 4, 4, 10, 13, 31, 43, 102 ]
[ "dead" ]
A275463
[ 1, 1, 3, 2, 16, 2, 64, 3, 4, 8, 1024, 5, 4096, 32, 48, 24, 65536, 10, 262144, 12, 192, 512, 4194304, 15, 400, 2048, 900, 48, 268435456, 24, 1073741824, 60, 3072, 32768, 5184, 35, 68719476736, 131072, 12288, 42, 1099511627776, 96, 43...
[ "nonn" ]
A277441
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[ "nonn", "base" ]
A350844
[ 1, 1, 1, 2, 1, 3, 3, 4, 4, 7, 7, 8, 11, 12, 15, 18, 21, 23, 31, 32, 40, 45, 54, 59, 73, 78, 94, 106, 122, 136, 161, 177, 203, 231, 259, 293, 334, 372, 417, 476, 525, 592, 663, 742, 821, 931, 1020, 1147, 1271, 1416, 1...
[ "nonn" ]
A342923
[ 120, 672, 963, 1036, 264768, 523776, 459818240, 1476304896 ]
[ "nonn", "more" ]
A224599
[ 122, 178, 297, 416, 628, 1045, 1694, 2668, 4265, 6922, 11196, 18035, 29122, 47134, 76253, 123292, 199424, 322681, 522090, 844664, 1366621, 2211238, 3577832, 5788951, 9366638, 15155530, 24522129, 39677528, 64199500, 103876957, 168076406 ]
[ "nonn" ]
A021009
[ 1, 1, -1, 2, -4, 1, 6, -18, 9, -1, 24, -96, 72, -16, 1, 120, -600, 600, -200, 25, -1, 720, -4320, 5400, -2400, 450, -36, 1, 5040, -35280, 52920, -29400, 7350, -882, 49, -1, 40320, -322560, 564480, -376320, 117600, -18816, 1568, -6...
[ "sign", "tabl", "easy", "nice", "changed" ]
A367230
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[ "nonn" ]
A008002
[ 1, 4, 9, 17, 29, 45, 65, 88, 113, 143, 178, 214, 253, 297, 345, 395, 448, 508, 570, 632, 700, 774, 851, 927, 1007, 1096, 1185, 1275, 1372, 1474, 1577, 1681, 1793, 1910, 2025, 2142, 2267, 2398, 2528, 2660, 2800, 2944, 3088, 3235, ...
[ "nonn" ]
A385590
[ 1, 2, 3, 4, 6, 8, 5, 7, 9, 11, 10, 13, 16, 19, 22, 12, 15, 18, 21, 24, 27, 14, 17, 20, 23, 26, 29, 32, 25, 30, 35, 40, 45, 50, 55, 60, 28, 33, 38, 43, 48, 53, 58, 63, 68, 31, 36, 41, 46, 51, 56, 61, 66, 71, 7...
[ "nonn", "easy", "tabl" ]
A106123
[ 7, 17, 19, 29, 37, 47, 59, 67, 71, 73, 79, 83, 89, 97, 107, 109, 127, 137, 139, 149, 157, 167, 173, 179, 181, 191, 193, 197, 199, 227, 229, 239, 257, 269, 271, 277, 281, 283, 293, 307, 317, 337, 347, 349, 359, 367, 373, 37...
[ "nonn", "base" ]
A329698
[ 1, 1, 2, 3, 5, 8, 13, 22, 37, 64, 111, 195, 346, 618, 1114, 2019, 3683, 6753, 12440, 23018, 42750, 79683, 148993, 279407, 525382, 990325, 1870993, 3542241, 6719450, 12769653, 24308665, 46348192, 88501413, 169228912, 324018531, 621159937, 119218...
[ "nonn", "walk" ]
A125878
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[ "dead" ]
A091609
[ 1, 0, 1, 1, 2, 2, 5, 5, 8, 10, 15, 18, 27, 32, 45, 56, 75, 92, 123, 150, 195, 240, 306, 374, 473, 575, 718, 873, 1078, 1304, 1602, 1928, 2349, 2821, 3414, 4083, 4917, 5857, 7016, 8334, 9934, 11758, 13963, 16472, 19480, 22918, ...
[ "nonn" ]
A268805
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[ "nonn" ]
A004656
[ 1, 11, 1001, 11011, 1010001, 11110011, 1011011001, 100010001011, 1100110100001, 100110011100011, 1110011010101001, 101011001111111000, 10000001101111110000, 110000101001111010000, 1.0010001111101102e+22 ]
[ "nonn", "base", "easy" ]
A292470
[ 0, 0, 1, 1, 0, -1, -1, 0, 1, 2, 2, 1, -1, -2, -2, -1, 1, 2, 3, 3, 2, 1, -1, -2, -3, -3, -2, 0, 1, 2, 3, 4, 4, 3, 2, 0, -3, -4, -4, -3, -2, 0, 1, 2, 3, 4, 5, 5, 4, 2, -1, -5, -6, -6, -5, -3, 2, 3, 4, ...
[ "sign", "look" ]
A218019
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[ "nonn", "base", "easy" ]
A148286
[ 1, 1, 2, 5, 12, 35, 101, 305, 998, 3192, 10721, 37044, 126994, 452386, 1619673, 5826276, 21492264, 79114692, 294519731, 1111169430, 4186163252, 15968539928, 61242924850, 235275484768, 913138496950, 3549546890306, 13857948020131, 54467713887561, 214249217663498...
[ "nonn", "walk" ]
A322060
[ 1, 4, 10, 26, 54, 144 ]
[ "nonn", "more" ]
A069328
[ 1, 119, 8830, 546286, 30754544, 1636193228, 83949041929, 4204804906873, 207204257344200, 10097172081372386, 488256657363269300, 23483738804219826000, 1.1252830738905772e+21 ]
[ "nonn", "more" ]
A018300
[ 1, 2, 3, 6, 23, 46, 69, 138 ]
[ "nonn", "fini", "full", "easy" ]
A008979
[ 1, 720, 7484400, 137225088000, 3246670537110000, 88832646059788350000, 2.6701777366371493e+24, 8.572253322698236e+28, 2.889253496242619e+33, 1.0109736222362446e+38, 3.644153415887633e+42, 1.34567406165969e+47 ]
[ "nonn", "easy" ]
A094980
[ 1, 1, 3, 5, 9, 16, 28, 50, 87, 153, 269, 471, 825, 1443, 2526, 4421, 7737, 13540, 23696, 41468, 72570, 126998, 222247, 388933, 680633, 1191108, 2084439, 3647768, 6383595, 11171292, 19549761, 34212082, 59871144, 104774502, 183355379 ]
[ "nonn", "easy" ]
A142210
[ 13, 587, 751, 997, 1489, 1571, 2063, 2309, 2473, 2719, 2801, 3457, 3539, 4441, 4523, 4933, 5179, 5261, 5507, 6163, 6491, 6737, 6983, 7229, 7393, 7639, 8377, 8623, 8951, 9689, 10099, 10181, 10427, 10837, 11083, 11329, 11411, 11657, 11821, ...
[ "nonn", "easy" ]
A000356
[ 1, 5, 35, 294, 2772, 28314, 306735, 3476330, 40831076, 493684828, 6114096716, 77266057400, 993420738000, 12964140630900, 171393565105575, 2291968851019650, 30961684478686500, 422056646314726500 ]
[ "easy", "nonn", "nice" ]
A175801
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[ "nonn", "base" ]