id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A373936
[ 0, 0, 0, 1, 5, 15, 35, 70, 126, 211, 342, 573, 1079, 2366, 5733, 14197, 34223, 78832, 173166, 364876, 745066, 1493990, 2985725, 6030652, 12428911, 26199706, 56231526, 121847272, 264270015, 570020037, 1218672066, 2581172411, 5424947523, 11347651254 ]
[ "nonn", "easy" ]
A314873
[ 1, 5, 9, 14, 19, 21, 28, 33, 33, 40, 45, 47, 58, 63, 61, 66, 71, 73, 84, 91, 87, 92, 99, 101, 114, 119, 113, 118, 123, 127, 142, 147, 141, 146, 151, 153, 170, 175, 165, 172, 177, 179, 200, 205, 193, 198, 203, 205, 226, ...
[ "nonn" ]
A005463
[ 1, 63, 1932, 46620, 1020600, 21538440, 451725120, 9574044480, 207048441600, 4595022432000, 105006251750400, 2475732702643200, 60284572969420800, 1516762345722624000, 39433286715863040000, 1.0591436150762988e+21, 2.937856902228722e+22, 8.411599946414699e+23 ]
[ "nonn" ]
A263643
[ 1, 1, 2, 1, 2, 2, 1, 2, 5, 2, 1, 2, 5, 9, 2, 1, 2, 5, 17, 11, 2, 1, 2, 5, 17, 41, 19, 2, 1, 2, 5, 17, 70, 75, 27, 2, 1, 2, 5, 17, 70, 226, 156, 44, 2, 1, 2, 5, 17, 70, 349, 538, 340, 65, 2, 1, 2, 5, 1...
[ "nonn", "tabl" ]
A042271
[ 1, 1, 3, 7, 31, 131, 2127, 2258, 22449, 47156, 69605, 882416, 4481685, 5364101, 9845786, 15209887, 40265560, 55475447, 206691901, 262167348, 468859249, 1668745095, 2137604344, 5943953783, 8081558127, 14025511910, 22107070037, 124560862095, 1516837415177 ]
[ "nonn", "frac", "easy" ]
A306949
[ 2, 2, 3, 3, 4, 3, 2, 2, 3, 2, 2, 1, 1, 2, 2, 2, 1, 3, 3, 4, 4, 3, 3, 4, 3, 2, 2, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 2, 2, 2, 1, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2...
[ "nonn", "fini", "full" ]
A289555
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 61, 62, 6...
[ "nonn" ]
A083046
[ 1, 6, 16, 35, 67, 118, 197, 319, 506, 789, 1215, 1860, 2830, 4290, 6481, 9771, 14708, 22120, 33239, 49921, 74946, 112490, 168807, 253286, 380008, 570095, 855228, 1282931, 1924490, 2886828, 4330341, 6495613, 9743524, 14615392, 21923196 ]
[ "nonn" ]
A283102
[ 0, 0, 0, 80, 4845, 138792, 2893338, 50507680, 787265325, 11345154600, 154362306956, 2010147294672, 25288375607950 ]
[ "nonn", "more" ]
A298349
[ 1, 2, 3, 8, 14, 30, 52, 96, 162, 288, 480, 820, 1352, 2268, 3716, 6146, 10024, 16458, 26770, 43708, 70958, 115486, 187264, 304102, 492718, 799088, 1294074, 2096878, 3394668, 5497692, 8898506, 14406222, 23314752, 37737432, 61068642, 98832844, 15...
[ "nonn", "easy" ]
A213685
[ 1, 3, 6, 9, 12, 17, 22, 28, 33, 41, 48, 57, 64, 75, 84, 96, 105, 119, 130, 145, 156, 173, 186, 204, 217, 237, 252, 273, 288, 311, 328, 352, 369, 395, 414, 441, 460, 489, 510, 540, 561, 593, 616, 649, 672, 707, 732, 768, ...
[ "easy", "nonn" ]
A053551
[ 1, 4, 12, 128, -2360, 225504, -31479056, 7663698176, -3268091071872, 2502155367185920, -3525130171601666000, 9.336272433375181e+21, -4.7283253230423956e+25, 4.63782058088334e+29, -8.890882429150197e+33 ]
[ "sign" ]
A329412
[ 1, 2, 3, 7, 5, 4, 8, 6, 9, 10, 11, 12, 13, 16, 15, 17, 20, 21, 18, 19, 23, 26, 24, 14, 27, 32, 22, 25, 28, 29, 30, 33, 31, 34, 36, 35, 38, 39, 40, 41, 42, 37, 43, 47, 46, 50, 53, 44, 49, 45, 48, 54, 55, 51, 5...
[ "nonn" ]
A220477
[ 0, 0, 2, 5, 14, 23, 46, 71, 115, 174, 263, 371, 542, 756, 1044, 1432, 1947, 2605, 3478, 4588, 6020, 7863, 10182, 13114, 16820, 21480, 27254, 34489, 43423, 54491, 68103, 84864, 105318, 130408, 160828, 197923, 242774, 297141, 362531, 441456...
[ "nonn", "easy" ]
A248610
[ 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 15, 15, 16, 17, 18, 18, 19, 20, 21, 21, 22, 23, 24, 24, 25, 26, 27, 27, 28, 29, 30, 30, 31, 32, 33, 34, 34, 35, 36, 37, 37, 38, 39, 40, 4...
[ "nonn", "easy" ]
A073735
[ 579, 968, 1065, 1221, 1428, 1604, 2092, 2117, 2126, 2236, 2406, 2872, 2935, 3048, 3330, 3496, 4085, 4194, 4434, 4697, 4887, 5148, 5446, 5846, 5910, 6484, 6846, 7355, 7448, 7468, 7773, 7939, 8324, 8746, 8923, 8957, 9018, 9093, 9369, 10242,...
[ "easy", "nonn" ]
A099628
[ 2, 4, 5, 8, 9, 11, 16, 17, 19, 23, 32, 33, 35, 39, 47, 64, 65, 67, 71, 79, 95, 128, 129, 131, 135, 143, 159, 191, 256, 257, 259, 263, 271, 287, 319, 383, 512, 513, 515, 519, 527, 543, 575, 639, 767, 1024, 1025, 1027, 103...
[ "easy", "nonn", "tabl" ]
A100591
[ 1, 4, 7, 10, 35, 25, 49, 61, 121, 140, 211, 268, 224, 392, 472, 517, 565, 529, 707, 1006, 1039, 994, 1213, 989, 1274, 1717, 1769, 1822, 2047, 2272, 2419, 2573, 2642, 3029, 3149, 3152, 3848, 3359, 4199, 4019, 4307, 4847, 5027, 4877...
[ "easy", "nonn" ]
A027986
[ 20, 100, 420, 1694, 6746, 26735, 105722, 417613, 1648692, 6507197, 25681362, 101359219, 400094756, 1579568360, 6237401648, 24635828774, 97327071806, 384596629610, 1520138671688, 6009885957464, 23765835521966, 94003008751940 ]
[ "nonn" ]
A145529
[ 1, 1453, 2112661, 3071807641, 4466406197353, 6494151539143621, 9442491871508627000, 1.3729376687022005e+22, 1.9962504260438123e+25, 2.9025467465300344e+28, 4.2203009732042445e+31, 6.136314712492224e+34 ]
[ "easy", "nonn" ]
A203648
[ 1, 2, 9, 4, 5, 18, 7, 8, 27, 10, 11, 36, 13, 14, 45, 16, 17, 54, 19, 20, 63, 22, 23, 72, 25, 26, 81, 28, 29, 90, 31, 32, 99, 34, 35, 108, 37, 38, 117, 40, 41, 126, 43, 44, 135, 46, 47, 144, 49, 50, 153, 52, 53, ...
[ "nonn", "easy", "mult" ]
A123949
[ 1, 1, -1, 1, -2, 1, 0, -2, 3, -1, 1, 0, -2, 0, 1, 0, -2, -1, 3, 1, -1, 0, 0, -3, 6, -2, -2, 1, 0, 2, -9, 15, -11, 3, 1, -1, 1, -4, 2, 6, -1, -6, -1, 2, 1, 0, -2, 7, -1, -11, -3, 8, 4, -1, -1, 0, 0, -3, ...
[ "uned", "tabl", "sign", "less" ]
A238246
[ 3, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 24, 25, 26, 28, 29, 30, 31, 33, 34, 36, 40, 48, 49, 50, 52, 56, 57, 58, 60, 61, 62, 63, 65, 66, 68, 72, 80, 96, 97, 98, 100, 104, 112, 113, 114, 116, 120, 121, 122, ...
[ "nonn" ]
A265948
[ 12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012, 1112, 1212, 1312, 1412, 1512, 1612, 1712, 1812, 1912, 2012, 2112, 2212, 2312, 2412, 2512, 2612, 2712, 2812, 2912, 3012, 3112, 3212, 3312, 3412, 3512, 3612, 3712, 3812, 3912, 4012, ...
[ "nonn", "word" ]
A179721
[ 0, 180, 2520, 25200, 211680, 1839600, 17186400, 168168000, 1676875200, 16972355400 ]
[ "nonn" ]
A307566
[ 1, 1, 4, 18, 72, 289, 1119, 4301, 16408, 62313, 234914, 879822, 3274623, 12125348, 44707778, 164258803, 601535222, 2195926654, 7990792367, 28985219498, 104811279467, 377875493610, 1358584361039, 4872111113570, 17431266435024, 62229179950735, 221699783190996, 788...
[ "nonn" ]
A389037
[ 1, 1, 4, 2, 6, 3, 6, 7, 0, 4, 4, 1, 0, 9, 7, 7, 2, 1, 8, 7, 7, 9, 5, 5, 5, 1, 7, 4, 6, 1, 9, 0, 4, 7, 8, 7, 8, 7, 7, 1, 9, 1, 0, 3, 1, 2, 7, 1, 4, 4, 7, 5, 9, 6, 9, 7, 7, 9, 0, 8, 3, 9, 8, 9...
[ "nonn", "cons" ]
A124574
[ 1, 3, 1, 10, 7, 1, 37, 39, 11, 1, 150, 204, 84, 15, 1, 654, 1050, 555, 145, 19, 1, 3012, 5409, 3415, 1154, 222, 23, 1, 14445, 28063, 20223, 8253, 2065, 315, 27, 1, 71398, 146920, 117208, 55300, 16828, 3352, 424, 31, 1, 361114,...
[ "nonn", "tabl" ]
A066286
[ 0, 2, 6, 18, 30, 36, 42, 54, 66, 78, 84, 90, 96, 150, 174, 186, 234, 240, 270, 276, 336, 366, 420, 456, 600, 666, 738, 786, 906, 1050, 1242, 1440, 1620, 1692, 2172, 2562, 2610, 3030, 3180, 3234, 3444, 3588, 3666, 3702, 4020, 4...
[ "nonn" ]
A065183
[ 0, 1, 2, 4, 5, 3, 6, 7, 12, 20, 19, 17, 14, 21, 8, 10, 15, 18, 23, 16, 22, 13, 11, 9, 24, 25, 26, 28, 29, 27, 48, 49, 78, 108, 103, 91, 74, 111, 62, 69, 75, 104, 101, 94, 100, 83, 71, 64, 54, 55, 80, 109, 107, ...
[ "nonn" ]
A187367
[ 3, 1, 5, 1, 1, 3, 5, 11, 1, 1, 19, 15, 13, 9, 35, 15, 5, 1, 35, 29, 31, 29, 13, 29, 27, 3, 27, 25, 31, 55, 19, 5, 77, 19, 57, 19, 33, 1, 17, 9, 27, 9, 29, 5, 1, 5, 35, 7, 73, 1, 183, 61, 31, 33, 9, 11, 1,...
[ "nonn" ]
A348245
[ 1, 1, 2, 1, 2, 3, 1, 1, 2, 3, 4, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 6, 7, 1, 1, 2, 3, 4, ...
[ "nonn" ]
A377811
[ 1, 4, 27, 283, 4217, 82971, 2041855, 60475885, 2096566449, 83324680435, 3736041351311, 186594364199277, 10274269171279656, 618386703880855300, 40393224245061190000, 2.8460309473596597e+21, 2.1516095784421708e+23, 1.737344968539914e+25, 1.4922986271914676e+27 ]
[ "nonn" ]
A006822
[ 1, 0, 0, 0, 0, 0, 0, 1, 1, 4, 21, 266, 7849, 367860, 21609300, 1470293675, 113314233808, 9799685588936, 945095823831036, 101114579937187980, 11945375659139627000, 1.5515937896105097e+21, 2.2071621590279256e+23, 3.425932138437062e+25, 5.782740798229825e+27 ]
[ "nonn", "nice", "hard" ]
A221944
[ 1, 2, 4, 7, 12, 22, 38, 66, 114, 198, 343, 595, 1030, 1785, 3092, 5357, 9278, 16071, 27835, 48213, 83507, 144639, 250523, 433919, 751571, 1301759, 2254713, 3905277, 6764139, 11715833, 20292418, 35147500, 60877256, 105442501, 182631769, 316327504,...
[ "nonn" ]
A229654
[ 0, 0, 0, 1, 0, 0, 1, -3, 0, 1, -2, 3, 1, -1, 1, 0, 0, 0, 1, -6, 0, 1, -5, 12, 1, -4, 7, -9, -3, 3, -2, -2, 0, 1, -4, 12, 1, -3, 8, -15, -2, 5, -7, 7, 3, -2, 0, 4, 1, -2, 4, -7, -1, 2, -3, 4, 1, -1, 1,...
[ "sign", "eigen", "look" ]
A150109
[ 1, 2, 6, 19, 69, 263, 1044, 4240, 17595, 74391, 318493, 1378895, 6022039, 26520440, 117549906, 524068965, 2348103782, 10568464412, 47754218422, 216537083286, 984983798215, 4493317804295, 20550859759855, 94213221969645, 432845203438126, 1992563341419802, 9189311952...
[ "nonn", "walk" ]
A293190
[ 3, 4, 1, 4, 6, 1, 1, 2, 9, 8, 6, 7, 7, 1, 3, 6, 8, 11, 8, 1, 6, 5, 11, 14, 4, 2, 12, 14, 16, 8, 6, 15, 13, 9, 16, 16, 15, 15, 13, 10, 6, 16, 21, 16, 11, 4, 8, 22, 23, 17, 20, 7, 8, 23, 18, 21, 4, 23, ...
[ "nonn", "look" ]
A070013
[ 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 4, 1, 2, 1, 2, 1, 1, 1, 2, 2, 1, 3, 2, 1, 1, 1, 5, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 3, 2, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 6, 1...
[ "nonn" ]
A326605
[ 1, 27, 402, 5103, 58959, 649539, 6907037, 71744535, 731768013, 7360989480, 73222111566, 721764371007, 7060733810570, 68630377364883, 663426925392564, 6382625095014309, 61149665581626650, 583701359488329900, 5553501498629257000, 52683216989246690000, 498464283739975800000 ]
[ "nonn" ]
A030471
[ 4567, 14151617, 20212223, 34353637, 58596061, 64656667, 118119120121, 140141142143, 148149150151, 176177178179, 196197198199, 218219220221, 220221222223, 236237238239, 238239240241, 268269270271, 278279280281 ]
[ "nonn", "base" ]
A284221
[ 33, 1746, 163708, 17538010, 1970768869, 227677212684, 26772321109067, 3187484402643589, 383012404461341400, 46352294274050870000, 5.641487492728041e+21, 6.898039888202359e+23 ]
[ "nonn" ]
A203467
[ 1, 1, 2, 15, 630, 198450, 589396500, 19912024006875, 8969371213896843000, 6.1815874928487445e+25, 7.358663747680778e+33, 1.686275888064274e+43 ]
[ "nonn" ]
A271316
[ 1, 2, 1, 8, 8, 1, 24, 36, 14, 1, 64, 128, 88, 24, 1, 160, 400, 400, 200, 42, 1, 384, 1152, 1520, 1120, 444, 76, 1, 896, 3136, 5152, 5040, 2968, 980, 142, 1, 2048, 8192, 16128, 19712, 15456, 7616, 2160, 272, 1, 4608, 20736, ...
[ "nonn", "tabl" ]
A096748
[ 1, 2, 2, 2, 3, 4, 5, 6, 8, 10, 13, 16, 21, 26, 34, 42, 55, 68, 89, 110, 144, 178, 233, 288, 377, 466, 610, 754, 987, 1220, 1597, 1974, 2584, 3194, 4181, 5168, 6765, 8362, 10946, 13530, 17711, 21892, 28657, 35422, 46368, 57314,...
[ "easy", "nonn" ]
A098621
[ 1, 2, 11, 95, 1173, 19364, 407447, 10552664, 327719713, 119600021230, 504784756672, 24321086122048 ]
[ "nonn" ]
A133939
[ 0, 1, 2, 6, 40, 440, 5952, 97104, 1888640, 42480000, 1082119680, 30814080000, 970187827200, 33461288899584, 1254539018571776, 50803163905751040, 2209862882578301000, 102761280728930290000, 5.087062588875762e+21, 2.6710157906099672e+23 ]
[ "nonn" ]
A332645
[ 0, 2, 3, 1, 0, 4, 9, 9, 3, 1, 1, 5, 4, 1, 8, 9, 7, 0, 7, 8, 8, 9, 3, 3, 8, 1, 0, 4, 3, 0, 3, 3, 9, 0, 1, 4, 0, 0, 3, 3, 8, 1, 7, 6, 0, 3, 9, 7, 4, 2, 2, 0, 9, 0, 1, 2, 3, 1, 8, 2, 5, 0, 0, 5...
[ "nonn", "cons" ]
A027889
[ 1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 333667, 1001001, 3003003, 9009009, 12345679, 27027027, 37037037, 111111111, 333333333, 999999999 ]
[ "nonn", "fini", "full", "easy" ]
A322573
[ 0, 1, 2, 7, 22, 73, 240, 793, 2618, 8647, 28558, 94321, 311520, 1028881, 3398162, 11223367, 37068262, 122428153, 404352720, 1335486313, 4410811658, 14567921287, 48114575518, 158911647841, 524849519040, 1733460204961, 5725230133922, 18909150606727, 624526819541...
[ "nonn" ]
A072185
[ 11, 23, 29, 41, 43, 47, 61, 67, 101, 131, 139, 151, 173, 179, 199, 263, 311, 331, 337, 359, 401, 461, 593, 601, 607, 641, 757, 809, 821, 827, 863, 881, 887, 911, 953, 977, 991, 1019, 1091, 1097, 1109, 1123, 1181, 1217, 1301, 1...
[ "easy", "base", "nonn" ]
A266188
[ 1, 1, 2, 4, 4, 7, 8, 8, 8, 12, 14, 15, 15, 16, 16, 16, 16, 21, 24, 26, 27, 27, 29, 30, 30, 31, 31, 31, 32, 32, 32, 32, 32, 38, 42, 45, 47, 48, 48, 51, 53, 54, 54, 56, 57, 57, 58, 58, 58, 60, 61, 61, 62, 62, 6...
[ "nonn" ]
A175873
[ 13, 17, 19, 23, 37, 47, 67, 89, 103, 107, 109, 113, 131, 151, 173, 193, 199, 233, 239, 269, 277, 317, 353, 359, 373, 389, 409, 431, 433, 443, 449, 463, 467, 499, 503, 563, 577, 593, 607, 619, 653, 709, 719, 727, 773, 811, 82...
[ "nonn" ]
A194907
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 36, 29, 30, 31, 32, 33, 34, 35, 44, 37, 45, 38, 39, 40, 41, 42, 43, 53, 46, 54, 47, 55, 48, 49, 50, 51, 5...
[ "nonn" ]
A154951
[ 0, 1, 1, 2, 3, 4, 4, 5, 6, 6, 7, 8, 9, 9, 10, 10, 11, 12, 13, 13, 14, 15, 15, 16, 16, 17, 18, 19, 19, 20, 21, 22, 22, 23, 24, 24, 25, 25, 26, 27, 28, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36, 37, 37, ...
[ "nonn" ]
A069885
[ 1, 2, 7, 11, 101, 111, 1001, 10001, 10101, 11011, 100001, 101101, 110011, 1000001 ]
[ "dead" ]
A006112
[ 1, 156, 20306, 2558556, 320327931, 40053706056, 5007031143556, 625886840206056, 78236053707784180, 9779511680526143000, 1.2224390842421082e+21, 1.528048886346721e+23, 1.9100611156944226e+25, 2.3875763965582836e+27 ]
[ "nonn", "easy" ]
A119706
[ 1, 4, 11, 27, 62, 138, 300, 643, 1363, 2866, 5988, 12448, 25770, 53168, 109381, 224481, 459742, 939872, 1918418, 3910398, 7961064, 16190194, 32893738, 66772387, 135437649, 274518868, 556061298, 1125679616, 2277559414, 4605810806, 9309804278, 18809961926 ...
[ "nonn" ]
A203120
[ 1, 4, 22, 186, 6533, 192632, 19111567, 3204615373, 1000664675682 ]
[ "nonn" ]
A228927
[ 1, 1, -7, 70, -798, 9737, -124124, 1631041, -21911758, 299371219, -4144898772, 58007463920, -819038646307, 11650826921489, -166786290656152, 2400680788969898, -34719393978035310, 504223005531434240, -7349846348644214000, 107489242662154350000 ]
[ "sign" ]
A206192
[ 8304, 329216, 13173864, 527945420, 21162670972, 848327900384, 34006136221640, 1363171550451384, 54644142459882180, 2190466837748368100, 87807121912310600000, 3.519839010271452e+21, 1.4109637551876087e+23 ]
[ "nonn" ]
A231484
[ 1, 81, 1476326929, 10994571025, 61436066769, 98551417041, 119582481249, 141447449025, 220545762129, 388895668225, 619568914129, 890560253025, 970952066161, 2580138650961, 3076652813521, 3739640454225, 4138876942929, 4758545225281, 9262289646801, 26494089912081 ]
[ "nonn" ]
A315436
[ 1, 6, 11, 15, 23, 28, 35, 38, 41, 50, 58, 63, 65, 68, 77, 86, 92, 93, 94, 105, 113, 121, 121, 121, 132, 141, 149, 148, 150, 159, 168, 177, 176, 177, 188, 195, 204, 204, 204, 217, 223, 231, 230, 233, 245, 251, 259, 256, 2...
[ "nonn" ]
A096647
[ 1, 1, 1, 2, 8, 27, 97, 443, 2095, 10440, 58194, 340375, 2097933, 13847485, 95504749, 690495874, 5245040408, 41428115543, 340899165549, 2917641580783, 25857170687507, 237421321934176, 2253720620740362, 22073206655954548, 222987346441156580, 2319379362420267500 ]
[ "easy", "nonn" ]
A266940
[ 8, 42, 182, 794, 3566, 15850, 68890, 288333, 1155281, 4410923, 16029008, 55677559, 184683538, 588011958 ]
[ "nonn" ]
A312808
[ 1, 4, 8, 16, 21, 25, 28, 34, 38, 45, 50, 53, 60, 58, 73, 71, 80, 85, 84, 96, 95, 108, 107, 112, 120, 118, 133, 129, 140, 140, 144, 157, 153, 167, 163, 172, 174, 183, 190, 189, 199, 198, 206, 212, 216, 222, 224, 230, 237,...
[ "nonn" ]
A057467
[ 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 2, 2, 6, 2, 2, 2, 2, 2, 2, 12, 4, 2, 2, 2, 2, 2, 2, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, ...
[ "nonn", "easy" ]
A036187
[ 0, 1, 72, 2, 46, 73, 96, 3, 14, 47, 56, 74, 18, 97, 118, 4, 43, 15, 35, 48, 38, 57, 23, 75, 92, 19, 86, 98, 51, 119, 29, 5, 128, 44, 12, 16, 41, 36, 90, 49, 126, 39, 124, 58, 60, 24, 105, 76, 62, 93, 115, 20, 26,...
[ "nonn", "fini", "full" ]
A027463
[ 1, 65, 865, 153713, 200403, 84873489, 807843807, 25265669869, 28682861185, 42667254975995, 47094524452625, 113048851861209970, 122484165188229550, 131772609157313820, 1127325729624166700, 5.892299098094866e+21 ]
[ "nonn" ]
A080146
[ 1, 2, 9, 52, 738, 2829, 53643, 162438, 4023888, 166236537, 921787428, 48034254669, 935251837851, 2558696229078, 68055676507664, 2655011771373417, 210067141980993180, 831463105466530000, 42882922858578320000 ]
[ "nonn" ]
A001039
[ 3, 13, 781, 137257, 28531167061, 25239592216021, 51702516367896050000, 1.0991220309223964e+23, 9.491121818112688e+29, 9.170307689861467e+40 ]
[ "nonn", "easy" ]
A142482
[ 61, 163, 367, 571, 673, 877, 1489, 1693, 1999, 2203, 2713, 2917, 3019, 3121, 3529, 3631, 3733, 4243, 4447, 4549, 4651, 4957, 5059, 5569, 6079, 6691, 6793, 6997, 7507, 8017, 8221, 8527, 8629, 8731, 9241, 9343, 9547, 9649, 10159, 10567, 1...
[ "nonn", "easy" ]
A169282
[ 1, 29, 812, 22736, 636608, 17825024, 499100672, 13974818816, 391294926848, 10956257951744, 306775222648832, 8589706234167296, 240511774556684300, 6734329687587160000, 188561231252440480000, 5.279714475068333e+21 ]
[ "nonn" ]
A346126
[ 1, 3, 4, 7, 8, 9, 10, 12, 14, 15, 16, 19, 20, 22, 23, 24, 25, 27, 31, 32, 34, 37, 38, 39, 40, 42, 43, 44, 45, 48, 49, 55, 56, 57, 58, 60, 61 ]
[ "nonn", "walk", "more" ]
A044206
[ 19, 83, 147, 152, 211, 275, 339, 403, 467, 531, 595, 659, 664, 723, 787, 851, 915, 979, 1043, 1107, 1171, 1176, 1216, 1299, 1363, 1427, 1491, 1555, 1619, 1683, 1688, 1747, 1811, 1875, 1939, 2003, 2067, 2131, 2195, 2200, 2259 ]
[ "nonn", "base" ]
A130385
[ 0, 1, 2, 3, 6, 4, 5, 7, 8, 16, 19, 14, 11, 9, 15, 10, 12, 20, 17, 13, 18, 21, 22, 44, 47, 53, 56, 60, 42, 51, 39, 30, 33, 37, 28, 25, 23, 43, 52, 38, 29, 24, 40, 26, 32, 57, 61, 34, 54, 48, 45, 41, 27, 31, 55...
[ "nonn" ]
A264628
[ 0, 1, 1, 0, 2, 2, 0, 4, 4, 1, 1, 9, 13, 8, 1, 0, 16, 40, 22, 16, 4, 0, 37, 125, 108, 61, 32, 6, 1, 76, 393, 684, 660, 280, 64, 5, 0, 160, 1200, 2736, 6107, 4032, 832, 128, 7, 0, 337, 3759, 13556, 37225, 50353, 1952...
[ "nonn", "tabl" ]
A036495
[ 0, 1, 45, 421, 2048, 6988, 19047, 44467, 92682, 177147, 316228, 534146, 861979, 1338716, 2012353, 2941047, 4194304, 5854220, 8016758, 10793065, 14310835, 18715702, 24172677, 30867617, 39008732, 48828125, 60583368, 74559108 ]
[ "nonn", "easy" ]
A112594
[ 0, 3, 4, 5, 8, 9, 10, 11, 12, 15, 16, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 29, 30, 31, 32, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 63, 64, 65, 66, 67, ...
[ "nonn" ]
A151557
[ 25, 841, 4900, 5929, 8464, 11236, 19044, 20449, 24964, 28561, 33124, 38025, 60025, 64009, 75076, 127449, 148225, 170569, 184900, 193600, 245025, 281961, 422500, 425104, 429025, 461041, 524176, 620944, 632025, 970225, 1024144, 1044484, 1113025, 128368...
[ "nonn" ]
A325898
[ 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1...
[ "nonn", "base" ]
A333815
[ 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 2, 2, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 0, 1...
[ "nonn" ]
A341370
[ 1, 18, 180, 1311, 7740, 39204, 176388, 721530, 2728053, 9651056, 32246892, 102515508, 311923386, 912771468, 2579132196, 7060677537, 18781247700, 48660380190, 123061973176, 304351869708, 737293187286, 1752035386188, 4089222211212, 9384936015492, 21201250825554 ]
[ "nonn" ]
A140489
[ 1, 2, 3, 5, 12, 15, 17, 24, 27, 29, 35, 36, 39, 41, 45, 48, 51, 53, 60, 63, 65, 72, 75, 77, 84, 87, 89, 95, 96, 99, 101, 105, 108, 111, 113, 120, 123, 125, 132, 135, 137, 144, 147, 149, 155, 156, 159, 161, 165, 168, ...
[ "nonn" ]
A208544
[ 1, 2, 0, 3, 1, 0, 4, 3, 0, 0, 5, 6, 1, 1, 0, 6, 10, 4, 6, 0, 0, 7, 15, 10, 21, 3, 1, 0, 8, 21, 20, 55, 24, 13, 0, 0, 9, 28, 35, 120, 102, 92, 9, 1, 0, 10, 36, 56, 231, 312, 430, 156, 30, 0, 0, 11, 45, 8...
[ "nonn", "tabl" ]
A314950
[ 1, 5, 9, 14, 20, 24, 32, 32, 38, 45, 48, 55, 57, 63, 68, 77, 76, 81, 88, 93, 99, 102, 106, 111, 121, 121, 124, 133, 136, 142, 148, 150, 153, 166, 163, 170, 178, 178, 186, 192, 194, 198, 208, 208, 213, 223, 223, 228, 236,...
[ "nonn" ]
A036390
[ 30, 6, 4, 2, 6, 22, 10, 4, 12, 4, 2, 2, 4, 30, 18, 14, 2, 14, 4, 2, 2, 4, 2, 4, 2, 4, 6, 4, 2, 8, 2, 2, 4, 2, 68, 10, 2, 20, 10, 4, 18, 4, 2, 2, 10, 2, 4, 4, 2, 6, 2, 4, 8, 4, 4, 2, 4, 2, 2, 4, 10...
[ "nonn" ]
A042504
[ 27, 28, 363, 391, 21477, 21868, 283893, 305761, 16794987, 17100748, 222003963, 239104711, 13133658357, 13372763068, 173606815173, 186979578241, 10270504040187, 10457483618428, 135760307461323 ]
[ "nonn", "cofr", "frac", "easy" ]
A187443
[ 1, 6, 35, 252, 1716, 12870, 92378, 705432, 5200300, 40116600, 300540195, 2333606220, 17672631900, 137846528820, 1052049481860, 8233430727600, 63205303218876, 495918532948104, 3824345300380220, 30067266499541040, 232714176627630530, 1832624140942590500, 1422652073762028700...
[ "nonn", "easy", "changed" ]
A378921
[ 0, 0, 14, 496, 65520, 33553920, 68719476224, 562949953355776, 18446744073709486000, 2.4178516392292583e+24, 1.2676506002282294e+30, 2.658455991569832e+36, 2.2300745198530623e+43, 7.482888383134223e+50 ]
[ "nonn" ]
A326978
[ 1, 1, 2, 3, 5, 7, 11, 15, 21, 28, 38, 52, 68, 91, 116, 149, 191, 249, 311, 399, 498, 622, 773, 971, 1193, 1478, 1811, 2222, 2709, 3311, 4021, 4882, 5894, 7110, 8554, 10273, 12312, 14734, 17578, 20941, 24905, 29570, 35056, 41475, ...
[ "nonn" ]
A264324
[ 1, 150, 17956, 1354134, 74605701, 3373438200, 134999600212, 5013535378432, 178086394182356, 6171760208699812, 211481116147026850, 7230935446550289000, 248287682074519340000, 8.60045977899552e+21, 3.0151111456383852e+23, 1.072299450901694e+25 ]
[ "nonn" ]
A211196
[ 1, 1, 2, 8, 48, 372, 3440, 36256, 423232, 5369184, 73051744, 1055835648, 16095734784, 257397846208, 4299558691968, 74762997772544, 1349551235537920, 25231125679907840, 487632516580187650, 9726238624438235000, 199929602149522440000, 4.230081644094639e+21 ]
[ "nonn" ]
A098175
[ 1, 16, 19683, 16, 125, 1296, 16807, 16777216, 1853020188851841, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 160000, 194481, 10648, 12167, 13824, 15625, 17576, 19683, 17210368, 17249876309, 19683000000000 ]
[ "nonn", "base" ]
A103774
[ 1, 1, 2, 2, 6, 10, 42, 42, 82, 204, 1196, 1556, 10324, 34668, 104948, 104964, 873540, 1309396, 11855027, 25238220, 91193575, 453628255, 5002616219, 5902762219, 21142729523, 122981607092, 189706055368, 547296181656, 7291700021313, 14330422534833, 2024985911...
[ "nonn" ]
A347275
[ 1, 3, 6, 10, 15, 19, 25, 29, 35, 40, 46, 50, 58, 62, 68, 74, 81, 85, 93, 97, 105, 111, 117, 121, 131, 136, 142, 148, 156, 160, 170, 174, 182, 188, 194, 200, 211, 215, 221, 227, 237, 241, 251, 255, 263, 271, 277, 281, 293...
[ "nonn", "easy" ]
A215235
[ 1, 3, 3, 7, 2, 3, 10, 2, 2, 5, 4, 4, 3, 4, 6, 6, 4, 3, 3, 6, 4, 4, 4, 4, 5, 7, 2, 2, 25, 10, 2, 6, 2, 8, 8, 2, 3, 2, 9, 4, 5, 16, 11, 24, 16, 8, 5, 2, 7, 9, 23, 5, 3, 15, 12, 3, 7, 2, 2, 10, 9, ...
[ "nonn" ]
A141891
[ 29, 71, 113, 197, 239, 281, 449, 491, 617, 659, 701, 743, 827, 911, 953, 1163, 1289, 1373, 1499, 1583, 1667, 1709, 1877, 2003, 2087, 2129, 2213, 2297, 2339, 2381, 2423, 2549, 2591, 2633, 2801, 2843, 2927, 2969, 3011, 3137, 3221, 3347,...
[ "nonn", "easy" ]
A196596
[ 1, 3, 16, 37, 116, 356, 1068, 3217, 9717, 29312, 88421, 266766, 804810, 2428010, 7325047, 22098889, 66669946, 201136011, 606805618, 1830666938, 5522924202, 16662065199, 50267649223, 151652062770, 457517876847, 1380281967900 ]
[ "nonn" ]
A346825
[ 52, 203, 514, 1112, 2134, 3799, 6404, 10340, 16108, 24388, 36052, 52197, 74231, 103904, 143412, 195498, 263518, 351581, 464740, 609093, 792031, 1022482, 1311139, 1670781, 2116665, 2666901, 3342939, 4170146, 5178386, 6402733, 7884348, 9671325, 11819765,...
[ "nonn" ]