id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A313583
[ 1, 5, 10, 14, 19, 25, 30, 35, 41, 46, 50, 55, 60, 65, 70, 74, 79, 85, 90, 95, 101, 106, 110, 115, 120, 125, 130, 134, 139, 145, 150, 155, 161, 166, 170, 175, 180, 185, 190, 194, 199, 205, 210, 215, 221, 226, 230, 235, 24...
[ "nonn" ]
A284639
[ 1, 1, 3, 1, 2, 1, 4, 3, 2, 1, 4, 1, 2, 2, 8, 1, 4, 1, 4, 2, 2, 1, 7, 3, 2, 4, 4, 1, 5, 1, 8, 2, 2, 2, 11, 1, 2, 2, 7, 1, 5, 1, 4, 4, 2, 1, 12, 3, 4, 2, 4, 1, 7, 2, 7, 2, 2, 1, 11, 1, 2, 4, 17,...
[ "nonn" ]
A054308
[ 4, 15, 24, 30, 33, 39, 50, 61, 71, 91, 109, 117, 135, 139, 140, 152, 157, 168, 183, 186, 190, 193, 208, 223, 236, 239, 269, 272, 287, 293, 296, 310, 319, 324, 329, 351, 358, 367, 387, 400, 408, 421, 430, 431, 435 ]
[ "nonn", "base" ]
A029569
[ 231, 2679, 18471, 24311, 61171, 71799, 84271, 107371, 112871, 140151, 150071, 305359, 364791, 420391, 483351, 854845, 948631, 966671, 1003191, 1209745, 1260791, 1327911, 1451791, 1675511, 1691351, 1870167, 1982391, 2400935, 2721535 ]
[ "nonn" ]
A308315
[ 1, 3, 6, 2, 4, 5, 9, 7, 8, 13, 12, 23, 10, 11, 14, 19, 15, 17, 16, 29, 20, 31, 18, 37, 21, 41, 22, 43, 25, 47, 27, 53, 24, 61, 26, 59, 28, 67, 32, 73, 33, 71, 34, 83, 35, 79, 36, 89, 30, 103, 38, 97, 39, 101, ...
[ "nonn" ]
A134215
[ 3, 314, 324, 344, 393, 730, 922, 1030, 1098, 1100, 1114, 1315, 1342, 1436, 1657, 2148, 2150, 2215, 2327, 2389, 2501, 2565, 2688, 2957, 3000, 3093, 3099, 3275, 3280, 3354, 3414, 3464, 3522, 3532, 3553, 3644, 3858, 3959, 4362, 4389, 4536,...
[ "nonn", "base" ]
A256642
[ 19, 1, 6, 2, 3, 8, 5, 4, 7, 36, 111, 0, 61, 0, 30, 5041, 12, 0, 22, 0, 34 ]
[ "nonn", "base", "more" ]
A382898
[ 13, 151, 227, 2083, 887, 79, 2963, 1579, 6287, 1321, 6719, 54919, 26699, 8647, 4229, 3919, 102161, 42433, 1667, 192193, 11633, 186343, 47339, 3259, 65963, 14293, 29717, 61297, 28493, 231367, 43793, 145021, 566441, 475903, 92381, 80473, 139967, ...
[ "base", "nonn" ]
A013255
[ 1, 0, 0, 0, 3, -40, 250, -840, 4725, -97200, 1188900, -7994800, 66364375, -1544127000, 26899674750, -278709795000, 3240888275625, -85063768972000, 1886327500213000, -26696356464492000, 405832799545216900 ]
[ "sign" ]
A201819
[ 0, 2, 6, 7, 8, 11, 13, 14, 15, 16, 19, 20, 22, 25, 26, 28, 30, 33, 35, 36, 37, 39, 40, 47, 49, 51, 53, 60, 61, 63, 64, 65, 68, 71, 74, 75, 76, 77, 81, 82, 84, 85, 88, 91, 92, 95, 97, 99, 104, 107, 110, 112, 118, ...
[ "nonn", "easy" ]
A019620
[ 7, 1, 1, 6, 4, 4, 5, 1, 8, 5, 5, 6, 1, 3, 0, 5, 8, 8, 7, 8, 8, 6, 2, 9, 2, 3, 9, 1, 2, 8, 8, 8, 1, 2, 0, 7, 9, 1, 9, 5, 7, 4, 0, 4, 4, 6, 4, 7, 0, 9, 2, 9, 1, 3, 4, 8, 9, 9, 6, 6, 7, 6, 0, 8...
[ "nonn", "cons" ]
A229824
[ 0, 1, 1, -1, 1, -1, -1, 7, 1, -21, -1, 49, -1, -91, 7, 119, 1, -57, -21, 0, -1, -2, 49, 6, -1, -14, -91, 28, 7, -42, 119, 28, 1, 62, -57, -236, -21, -2, 0, 4, -1, -8, -2, 14, 49, -14, 6, -14, -1, 90, -14, -174, -...
[ "sign", "eigen" ]
A046271
[ 0, 5, 5, 5, 5, 31, 5, 7, 5, 19531, 97, 281, 2441, 12207031, 103, 305175781, 58789, 94531, 3814697, 63281, 95367431, 6837158203, 5791, 9209289550781, 60464477539, 953, 901161193, 450580596923, 2529029846191 ]
[ "nonn" ]
A107814
[ 43, 3, 13, 11, 17, 7, 37, 23, 2, 29, 19, 31, 41, 47, 67, 61, 71, 73, 53, 5, 59, 79, 89, 83, 103, 101, 107, 97, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 22...
[ "nonn", "base" ]
A311255
[ 1, 4, 8, 12, 16, 21, 25, 29, 33, 38, 42, 46, 50, 54, 58, 63, 67, 71, 75, 80, 84, 88, 92, 95, 100, 105, 109, 112, 117, 122, 126, 130, 134, 136, 142, 147, 151, 153, 159, 164, 168, 172, 176, 177, 184, 189, 193, 194, 201, ...
[ "nonn" ]
A382139
[ 1, 1, 1, 9, 81, 705, 7665, 100905, 1524705, 26022465, 496042785, 10445342985, 240779831985, 6030718158465, 163087008669585, 4735950860666025, 146987669673669820, 4855606200012593000, 170101350767940630000, 6.298861062893922e+21, 2.4583419940529843e+23 ]
[ "nonn" ]
A061366
[ 99, 814, 1371, 2047, 2883, 5816, 6105, 6851, 10718, 16744, 19390, 19651, 20080, 20115, 20820, 22015, 22165, 22550, 23035, 25976, 30090, 31999, 32130, 34479, 36492, 36865, 37043, 39942, 40347, 42591, 44475, 48667, 52377, 54213, 54321 ]
[ "nonn" ]
A098947
[ 5, 25, 45, 50, 52, 54, 55, 56, 58, 65, 85, 205, 225, 245, 250, 252, 254, 255, 256, 258, 265, 285, 405, 425, 445, 450, 452, 454, 455, 456, 458, 465, 485, 500, 502, 504, 505, 506, 508, 520, 522, 524, 525, 526, 528, 540, 542, ...
[ "base", "easy", "nonn" ]
A340240
[ 55, 407, 527, 529, 551, 559, 965, 1199, 1265, 1633, 1807, 1919, 1961, 3401, 3959, 4033, 4381, 5461, 5777, 5977, 5983, 6049, 6233, 6439, 6479, 7141, 7195, 7645, 7999, 8639, 8695, 8993, 9265, 9361, 11663, 11989, 12209, 12265, 13019, 13021, ...
[ "nonn" ]
A112703
[ 1, 10, 172, 3817, 95671, 2575729, 72725941, 2124619642, 63681430672, 1947319848190, 60511350647386, 1905278320822060, 60654011063307830, 1949006134928921900, 63131614948174815000, 2.0592142274803222e+21 ]
[ "nonn", "easy" ]
A292228
[ 1, 5, 65, 325, 13325, 812825, 13818025, 1561436825, 45281667925, 8195981894425, 482116582025, 434387040404525, 135963143646616320, 9925309486202993000, 4.1785552936914597e+21, 1.54606545866584e+23, 1.6852113499457656e+25, 1.0330345575167544e+28, 1.4152573437979533e+30, 1.077010...
[ "nonn", "frac", "easy" ]
A041947
[ 1, 3, 4, 11, 48, 59, 107, 273, 653, 1579, 2232, 3811, 17476, 38763, 56239, 207480, 9185359, 27763557, 36948916, 101661389, 443594472, 545255861, 988850333, 2522956527, 6034763387, 14592483301, 20627246688, 35219729989, 161506166644, 358232063277 ]
[ "nonn", "frac", "easy" ]
A332567
[ 0, 1, 2, 101, 3, 201, 10101, 4, 301, 202, 20101, 1010101, 5, 401, 302, 30101, 20201, 2010101, 101010101, 6, 501, 402, 40101, 303, 30201, 3010101, 20202, 2020101, 201010101, 10101010101, 7, 601, 502, 50101, 403, 40201, 4010101, 30301, 30202,...
[ "nonn", "tabf", "look", "base" ]
A223814
[ 86, 9783, 921010, 76453838, 5767953144, 405333095737, 26977674423993, 1720880680824848, 106119501516207460, 6367010698793138000 ]
[ "nonn" ]
A035645
[ 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 4, 4, 4, 4, 5, 7, 10, 11, 11, 12, 14, 18, 23, 25, 27, 29, 33, 40, 47, 53, 57, 62, 70, 81, 94, 104, 113, 123, 137, 156, 175, 194, 211, 230, 255, 285, 317, 348, 379, 413, 454, 502, ...
[ "nonn" ]
A173324
[ 4, 4, 7, 19, 73, 361, 2161, 15121, 120961, 1088641, 10886401, 119750401, 1437004801, 18681062401, 261534873601, 3923023104001, 62768369664001, 1067062284288001, 19207121117184000, 364935301226496000, 7298706024529920000, 153272826515128320000, 3.372002183332823e+21 ]
[ "nonn", "easy" ]
A223869
[ 84, 7056, 303560, 8008548, 145947740, 1989679315, 21476594002, 191485393983, 1457018264594, 9708014658466, 57822416245144, 313064200874351, 1561981122439360, 7262269235529104, 31752205659432880, 131516275822916930 ]
[ "nonn" ]
A117813
[ 1, 0, 6, 18, 122, 600, 3450, 18914, 107338, 606816, 3466356, 19852470, 114239642, 659275760, 3815952426, 22138925718, 128718762250, 749773729952, 4374616990332, 25561798008252, 149562047056572, 876140945014640, 5138089929141890, 30162194533001984 ]
[ "nonn" ]
A360362
[ 1, 2, 3, 6, 9, 13, 20, 30, 46, 74, 106, 152, 242, 318 ]
[ "nonn", "more" ]
A366786
[ 1, 4, 9, 25, 12, 49, 20, 121, 169, 28, 45, 289, 361, 63, 44, 529, 52, 841, 60, 961, 99, 68, 175, 1369, 76, 117, 1681, 84, 1849, 92, 2209, 153, 2809, 275, 171, 116, 3481, 3721, 124, 325, 132, 4489, 207, 140, 5041, 5329, 148, ...
[ "nonn", "easy" ]
A384675
[ 1, 96889010407, 47754305649, 5019889143, 18113311201, 58918668807, 8009274449, 41680190743, 64272062401, 49842407207, 88954803249, 44998412343, 99404253601, 47356225607, 72862892049, 19678553943, 78037884801, 24356124007, 88405540849, 55224615543, 68300956001 ]
[ "nonn", "easy" ]
A035182
[ 1, 2, 0, 3, 0, 0, 1, 4, 1, 0, 2, 0, 0, 2, 0, 5, 0, 2, 0, 0, 0, 4, 2, 0, 1, 0, 0, 3, 2, 0, 0, 6, 0, 0, 0, 3, 2, 0, 0, 0, 0, 0, 2, 6, 0, 4, 0, 0, 1, 2, 0, 0, 2, 0, 0, 4, 0, 4, 0, 0, 0, 0, 1, 7...
[ "nonn", "mult" ]
A048925
[ 695, 759, 1191, 1316, 1351, 1407, 1615, 1704, 1736, 1743, 1988, 2168, 2184, 2219, 2372, 2408, 2479, 2660, 2696, 2820, 2824, 2852, 2856, 2915, 2964, 3059, 3064, 3127, 3128, 3444, 3540, 3560, 3604, 3620, 3720, 3864, 3876, 3891, 3899, 3912 ]
[ "nonn", "fini", "full" ]
A072561
[ 1, 3, 4, 6, 7, 9, 10, 12, 13, 15, 19, 21, 22, 24, 25, 27, 28, 30, 31, 33, 37, 39, 40, 42, 43, 45, 46, 48, 49, 51, 55, 57, 58, 60, 61, 63, 64, 66, 67, 69, 73, 75, 76, 78, 79, 81, 82, 84, 85, 87, 91, 93, 94, 96, ...
[ "nonn" ]
A228695
[ 1, 1, 7, 47, 521, 7233, 129443, 2811701, 73203561, 2229207953, 78389689559, 3138945552419, 141714151130833, 7146006410498833, 399443567886826900, 24581290495461130000, 1.6556640118665776e+21, 1.2141306933084803e+23, 9.648772995329567e+24 ]
[ "nonn" ]
A133878
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 0...
[ "nonn" ]
A070860
[ 6, 5, 5, 8, 7, 8, 0, 7, 1, 5, 2, 0, 2, 5, 3, 8, 8, 1, 0, 7, 7, 0, 1, 9, 5, 1, 5, 1, 4, 5, 3, 9, 0, 4, 8, 1, 2, 7, 9, 7, 6, 6, 3, 8, 0, 4, 7, 8, 5, 8, 4, 3, 4, 7, 2, 9, 2, 3, 6, 2, 4, 4, 5, 6...
[ "cons", "nonn" ]
A158370
[ 577, 1153, 1729, 2305, 2881, 3457, 4033, 4609, 5185, 5761, 6337, 6913, 7489, 8065, 8641, 9217, 9793, 10369, 10945, 11521, 12097, 12673, 13249, 13825, 14401, 14977, 15553, 16129, 16705, 17281, 17857, 18433, 19009, 19585, 20161, 20737, 21313 ]
[ "nonn", "easy" ]
A317828
[ 1, 2, 4, 5, 11, 26, 52, 92, 198, 249, 560, 1311, 2776, 6367, 14086, 21007, 48034, 56031, 131781, 317515, 695541, 804219, 2011535, 4555083, 8040378, 18688105, 25235398, 59995537, 68141074, 165243129, 407951724, 927908528 ]
[ "nonn" ]
A229394
[ 1, 1, 9, 36, 84, 126, 126, 84, 36, 9, 1, 81, 2916, 61236, 826686, 7440174, 44641044, 172186884, 387420489, 387420489, 13947137604, 223154201664, 2082772548864, 12496635293184, 49986541172736, 133297443127296, 228509902503936, 228509902503936, 101559956668416 ]
[ "nonn", "look" ]
A322901
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 34, 36, 37, 38, 40, 41, 42, 43, 44, 46, 47, 48, 49, 50, 52, 53, 54, 56, 57, 58, 59, 61, 62, 63, 6...
[ "nonn" ]
A113404
[ 6, 90, 630, 660, 1170, 2190, 3780, 6420, 8940, 9030, 13260, 16470, 24150, 28800, 29610, 39990, 56580, 56910, 71610, 83460, 94530, 114450, 157830, 159060, 171180, 177360, 190500, 197910, 268050, 315840, 395520, 435240, 440910, 513570, 536010, 5393...
[ "nonn" ]
A026265
[ 1, 2, 3, 4, 7, 5, 6, 8, 9, 11, 13, 16, 17, 18, 10, 12, 14, 15, 23, 24, 25, 26, 28, 31, 19, 20, 21, 22, 34, 36, 39, 40, 41, 27, 29, 30, 32, 46, 47, 48, 49, 51, 54, 33, 35, 37, 38, 58, 60, 62, 63, 64, 42, 43, 4...
[ "nonn" ]
A057324
[ 2, 3, 11, 13, 53, 131, 233, 241, 281, 569, 659, 691, 761, 881, 1693, 2063, 2411, 2521, 2551, 2663, 2729, 2741, 2861, 3089, 4021, 4159, 4201, 4243, 4423, 4793, 6091, 7103, 7229, 7369, 7753, 7829, 8053, 8641, 8669, 9041, 9059, 9539, 9...
[ "nonn" ]
A070378
[ 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13, 9, 17, 1, 5, 25, 13,...
[ "nonn", "easy" ]
A151305
[ 1, 2, 8, 34, 158, 780, 3994, 21108, 114172, 629550, 3526532, 20018456, 114931060, 666344104, 3896536944, 22958243962, 136180482166, 812648207806, 4875775540560, 29397986052418, 178046737441226, 1082749224714626, 6609289796906656, 40484406966736920, 248779468243690200,...
[ "nonn", "walk" ]
A015852
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "sign" ]
A077603
[ 2, 3, 3, 4, 3, 3, 3, 5, 4, 3, 3, 5, 3, 3, 3, 6, 3, 5, 3, 5, 3, 3, 3, 3, 4, 3, 5, 5, 3, 3, 3, 7, 3, 3, 3, 4, 3, 3, 3, 3, 3, 3, 3, 5, 5, 3, 3, 9, 4, 5, 3, 5, 3, 3, 3, 3, 3, 3, 3, 5, 3, 3, 5, 8...
[ "nonn" ]
A180629
[ 0, 1, 3, 4, 8, 33, 121, 177, 190, 276, 473, 484, 924, 937, 1722, 2626, 4077, 4464, 6166 ]
[ "nonn", "more" ]
A362752
[ 1, 9, 1, 8, 9, 9, 0, 8, 5, 5, 0, 6, 2, 6, 4, 8, 2, 7, 9, 8, 1, 1, 4, 6, 0, 7, 7, 2, 2, 6, 4, 3, 9, 8, 4, 3, 4, 0, 4, 3, 0, 9, 1, 0, 2, 3, 7, 7, 5, 5, 0, 9, 5, 3, 9, 1, 1, 7, 2, 1, 2, 9, 8, 0...
[ "nonn", "cons" ]
A248985
[ 2817, 4137, 6065, 8873, 12937, 18737, 30017, 47953, 76161, 119849, 185817, 315929, 533433, 891593, 1468537, 2367257, 4153753, 7216889, 12373897, 20836977, 34213297, 60900465, 107177641, 185861593, 316071033, 523226617, 937146425 ]
[ "nonn" ]
A129219
[ 4, 14, 67, 42, 111, 0 ]
[ "fini", "full", "nonn" ]
A086479
[ 0, 0, 3, 0, 15, 12, 77, 32, 261, 260, 1023, 1056, 4095, 6552, 19905, 15872, 66045, 97740, 262143, 321320, 1404375, 1391720, 4198397, 6108912, 17619525, 23153832, 79255071, 116921224, 268435455, 529405320, 1259979965, 1408246784 ]
[ "nonn" ]
A072353
[ 6, 11, 16, 20, 25, 30, 35, 39, 44, 49, 54, 59, 63, 68, 73, 78, 83, 87, 92, 97, 102, 106, 111, 116, 121, 126, 130, 135, 140, 145, 150, 154, 159, 164, 169, 173, 178, 183, 188, 193, 197, 202, 207, 212, 216, 221, 226, 231, 2...
[ "base", "nonn" ]
A152004
[ 3, 5, 7, 10, 13, 14, 24, 27, 30, 31, 33, 37, 39, 42, 46, 49, 51, 56, 59, 62, 66, 69, 71, 74, 76, 77, 79, 84, 88, 89, 93, 98, 101, 103, 105, 107, 108, 113, 116, 119, 123, 125, 127, 131, 133, 136, 140, 141, 142, 146, 1...
[ "nonn" ]
A160993
[ 1, 0, 1, 1, 1, 2, 3, 4, 6, 9, 12, 18, 26, 37, 54, 78, 112, 162, 234, 337, 487, 703, 1014, 1464, 2113, 3049, 4401, 6352, 9167, 13231, 19096, 27560, 39777, 57409, 82856, 119584, 172592, 249096, 359513, 518874, 748874 ]
[ "easy", "nonn" ]
A340665
[ 1, 1, 3, 5, 7, 6, 4, 8, 7, 8, 6, 6, 8, 9, 2, 1, 6, 2, 6, 8, 6, 8, 6, 4, 3, 0, 0, 9, 4, 7, 2, 0, 8, 2, 2, 8, 9, 5, 1, 1, 9, 3, 6, 4, 1, 3, 0, 0, 5, 4, 6, 8, 7, 4, 4, 1, 6, 4, 9, 9, 7, 4, 3, 0...
[ "nonn", "cons" ]
A199132
[ 19, 210, 1038, 48320, 887966, 5926852, 358599045, 7633754680, 56435001338, 3718131446504, 84113596169937, 647071266317908, 44371190146396480, 1031280656608709900, 8107333731404729000, 567373010032314550000 ]
[ "nonn" ]
A300366
[ 0, 1, 0, 3, 32, 366, 12042, 729062, 70536528, 13229207915, 4795249162868 ]
[ "nonn" ]
A105422
[ 1, 0, 1, 1, 0, 1, 1, 2, 0, 1, 2, 2, 3, 0, 1, 3, 5, 3, 4, 0, 1, 5, 8, 9, 4, 5, 0, 1, 8, 15, 15, 14, 5, 6, 0, 1, 13, 26, 31, 24, 20, 6, 7, 0, 1, 21, 46, 57, 54, 35, 27, 7, 8, 0, 1, 34, 80, 108, 104, 8...
[ "nonn", "tabl" ]
A101663
[ 0, 1, 0, 2, 0, 1, 2, 2, 0, 1, 0, 2, 2, 2, 2, 2, 0, 1, 0, 2, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 0, 2, 0, 1, 2, 2, 0, 1, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2...
[ "nonn", "easy" ]
A282752
[ 1, 432, 39312, -1711296, -14159664, 317412000, 5783500224, 47251354752, 263098098000, 1138294453104, 4105673192160, 12882680040384, 36171259008192, 92764213434144, 220523509245312, 491705284878720, 1037366470830672, 2086141009345632, 4022101701933264 ]
[ "sign" ]
A100024
[ 1, 7, 46, 237, 1056, 4071, 13986, 43461, 124146, 329681, 822074, 1939691, 4359264, 9381561, 19422294, 38828715, 75208515, 141537930, 259444020, 464210670, 812292096, 1392398634, 2341628076, 3868602654, 6286255716, 10057721934, 15859890444, 24670480954 ]
[ "nonn" ]
A354253
[ 1, 4, 52, 1108, 32980, 1261204, 58928212, 3253363348, 207225008980, 14958174725524, 1206698072485972, 107589343503498380, 10505997552329150000, 1.1150877297942874e+21, 1.278197450011805e+23, 1.573677971936292e+25, 2.0710627943548259e+27 ]
[ "nonn" ]
A242589
[ 5, 19, 37, 43, 97, 107, 6091, 6389, 7121, 21727, 147107, 148151, 148279, 148429, 148469, 172877, 173209, 173741, 2621387, 5642293, 5642321, 8932771, 8981827, 8981879, 9094979, 9095089, 9997783, 10010687, 10010789, 10037749, 10144523, 40179929, 40365217...
[ "nonn", "base" ]
A359943
[ 1, 3, 1, 3, 1, 3, 1, 3, 10, 3, 1, 3, 1, 3, 1, 3, 1, 12, 1, 3, 1, 3, 1, 3, 1, 3, 10, 31, 1, 3, 1, 3, 1, 3, 1, 12, 1, 3, 1, 3, 1, 3, 1, 3, 10, 3, 1, 3, 1, 3, 1, 3, 1, 12, 1, 31, 1, 3, 1, 3, 1, 3, ...
[ "nonn" ]
A220449
[ 1, 1, -10, 10, 190, -730, -6620, 55900, 365300, -5864300, -28269800, 839594600, 2691559000, -159300557000, -238131478000, 38894192662000, -15194495654000, -11911522255750000, 29697351895900000, 4477959179352100000, -21683886333440500000, -2.029107997508661e+21, 1.51451641...
[ "sign" ]
A031765
[ 7571, 30280, 68127, 121112, 189235, 272496, 370895, 484432, 613107, 756920, 915871, 1089960, 1279187, 1483552, 1703055, 1937696, 2187475, 2452392, 2732447, 3027640, 3337971, 3663440, 4004047, 4359792, 4730675, 5116696, 5517855, 5934152 ]
[ "nonn" ]
A118748
[ 2, 10, 70, 770, 8470, 110110, 1871870, 31821790, 604614010, 13906122230, 319840811290, 9275383527410, 268986122294890, 7800597546551810, 241818523943106100, 8947285385894926000, 331049559278112300000 ]
[ "easy", "nonn" ]
A116802
[ 1, 2, 6, 21, 73, 244, 787, 2468, 7570, 22809, 67727, 198664, 576775, 1659914, 4741254, 13454541, 37964341, 106590076, 297951451, 829614896, 2301930586, 6367200417, 17562228251, 48317182096, 132621950863, 363253065494 ]
[ "nonn", "easy" ]
A034032
[ 0, 4, 8, 12, 16, 24, 25, 32, 36, 44, 48, 49, 50, 64, 68, 72, 75, 76, 88, 96, 98, 100, 108, 128, 132, 136, 144, 147, 150, 152, 164, 169, 172, 176, 192, 196, 200, 204, 216, 225, 228, 236, 256, 264, 268, 272, 275, 288, 292,...
[ "nonn" ]
A015768
[ 1, 2, 3, 6, 22, 33, 66, 166, 250, 375, 498, 750, 1506, 1826, 5478, 8250, 10375, 10873, 16566, 17762, 20750, 21746, 31125, 32619, 41666, 53286, 62250, 62499, 65238, 98250, 110066, 119603, 124998, 177153, 195382, 228250, 239206 ]
[ "nonn" ]
A240248
[ 164, 540, 3964, 33216, 246458, 2043488, 16426440, 143288058, 1177286938, 10394554300, 87560804240 ]
[ "nonn" ]
A379308
[ 0, 1, 1, 1, 0, 2, 2, 2, 0, 3, 5, 5, 1, 6, 9, 9, 2, 10, 14, 18, 6, 18, 24, 30, 11, 28, 39, 47, 24, 48, 63, 76, 41, 74, 95, 118, 65, 120, 149, 181, 107, 181, 221, 266, 169, 266, 335, 398, 262, 394, 487, 578, 391, ...
[ "nonn" ]
A171216
[ 373, 381301, 390451573, 399822410101, 409418147942773, 419244183493398900, 429306043897240500000, 4.3960938895077426e+23, 4.5016001428559284e+26, 4.609638546284471e+29, 4.720269871395298e+32 ]
[ "nonn", "easy" ]
A284469
[ 1, 3, 4, 6, 8, 9, 12, 14, 15, 16, 18, 19, 21, 23, 24, 27, 29, 30, 32, 34, 35, 38, 40, 41, 42, 44, 45, 47, 49, 50, 54, 56, 57, 60, 62, 63, 65, 67, 68, 71, 73, 74, 75, 77, 78, 79, 81, 82, 84, 86, 87, 90, 92, 93, ...
[ "nonn", "easy" ]
A257574
[ 2, 1, 5, 8, 4, 7, 6, 8, 7, 2, 3, 1, 1, 0, 3, 9, 7, 6, 5, 6, 5, 5, 8, 5, 3, 4, 7, 9, 8, 0, 7, 0, 2, 5, 2, 4, 1, 6, 6, 9, 6, 9, 4, 4, 4, 0, 3, 5, 4, 2, 8, 6, 6, 7, 0, 3, 7, 5, 5, 0, 9, 6, 3, 4...
[ "nonn", "cons" ]
A091044
[ 1, 2, 2, 3, 10, 3, 4, 28, 28, 4, 5, 60, 126, 60, 5, 6, 110, 396, 396, 110, 6, 7, 182, 1001, 1716, 1001, 182, 7, 8, 280, 2184, 5720, 5720, 2184, 280, 8, 9, 408, 4284, 15912, 24310, 15912, 4284, 408, 9, 10, 570, 7752, 3876...
[ "nonn", "easy", "tabl" ]
A388185
[ 0, 6, 0, 6, 5, 6, 7, 8, 7, 1, 7, 7, 8, 6, 2, 8, 8, 8, 4, 3, 5, 9, 3, 4, 2, 5, 0, 1, 4, 9, 9, 5, 2, 8, 8, 6, 9, 7, 6, 3, 4, 9, 7, 7, 4, 3, 9, 7, 0, 0, 8, 4, 7, 8, 9, 8, 8, 2, 8, 5, 3, 7, 0, 7...
[ "nonn", "cons" ]
A172743
[ 1, 7, 55, 415, 3391, 28681, 248137, 2186815, 19546975, 176703337, 1612210777, 14823083089, 137176167025, 1276548044695, 11936862061495, 112092031526335, 1056512066133055, 9991003788000024, 94760438267696430, 901154863603211600 ]
[ "nonn" ]
A186726
[ 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 6, 1, 33, 1, 386, 1, 7575, 1, 181229, 1, 4624503, 1, 122090549, 1, 3328929974, 1, 93990693868, 26, 2754223099408, 13505 ]
[ "nonn", "more", "hard" ]
A233429
[ 1, 501, 890989, 1666772813, 3125064284901, 5859766228545967, 10987595369808656000, 2.060274135097168e+22, 3.8632014757792375e+25, 7.243854287403798e+28, 1.3582885920445247e+32, 2.5469147032377006e+35 ]
[ "nonn" ]
A270566
[ 1, 2, 2, 2, 3, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 5, 7, 4, 4, 4, 5, 5, 3, 3, 1, 3, 5, 4, 3, 3, 5, 8, 4, 3, 4, 6, 6, 2, 6, 4, 4, 5, 4, 3, 3, 4, 5, 1, 3, 3, 2, 6, 2, 4, 5, 8, 8, 4, 3, 5, 6, 6, 2, 1...
[ "nonn" ]
A231712
[ 0, 1, 5, 29, 259, 3129, 46661, 823549, 16777223, 387420497, 10000000009, 285311670621, 8916100448267, 302875106592265, 11112006825558028, 437893890380859400, 18446744073709552000, 827240261886336800000, 3.934640807529654e+22, 1.9784196556603136e+24 ]
[ "nonn" ]
A305783
[ 1, 9, 61, 359, 2071, 11521, 64536, 351890, 1937292, 10385051, 56327364, 297361209, 1592259558, 8294350334, 43929021137, 226237017737, 1187116072881, 6055309005874, 31524381075907, 159529143743414, 825010507438945, 4148043681253075, 21331478060780616 ]
[ "nonn" ]
A243302
[ 1, 3, 4, 6, 9, 11, 14, 18, 21, 25 ]
[ "nonn", "more" ]
A360917
[ 1, 2, 2, 3, 3, 3, 4, 5, 5, 4, 5, 6, 7, 6, 5, 6, 8, 9, 9, 8, 6, 7, 9, 11, 11, 11, 9, 7, 8, 11, 14, 14, 14, 14, 11, 8, 9, 12, 16, 17, 17, 17, 16, 12, 9, 10, 14, 18, 20, 21, 21, 20, 18, 14, 10, 11, 15, 20,...
[ "nonn", "tabl" ]
A305153
[ 42, 72, 132, 252, 492, 972, 1932, 3852, 7692, 15372, 30732, 61452, 122892, 245772, 491532, 983052, 1966092, 3932172, 7864332, 15728652, 31457292, 62914572, 125829132, 251658252, 503316492, 1006632972, 2013265932, 4026531852, 8053063692, 16106127372, 322122...
[ "nonn", "easy", "changed" ]
A305667
[ 3, 41, 480, 3570, 4893, 7999, 33195, 52784, 72024, 175468, 621177, 832820, 6728999, 8151748, 78184626, 273362479, 883593178, 3960000113, 28999908410, 195575352926, 750833617579, 1453443477101, 9100308145444, 49027044651379, 67795387220152, 78305516479292 ]
[ "nonn", "base" ]
A129135
[ 1, 0, 21, 112, 1134, 11088, 122430, 1468368, 19090071, 267258992, 4008887883, 64142201760, 1090417436108, 19627513841376, 372922762997772, 7458455259939936, 156627560458759000, 3445806330092672000, 79253545592131490000, 1.9020850942111557e+21 ]
[ "nonn" ]
A084537
[ 1, 1, 3, 7, 13, 21, 31, 43, 57, 73, 91, 111, 133, 157, 183, 211, 241, 273, 307, 343, 381, 421 ]
[ "dead" ]
A282621
[ 8, 320, 8616, 207496, 4788808, 108326760, 2423906696, 53891103656, 1193490502728, 26367062410600, 581618469479176, 12817206071979816, 282280911579925440, 6214413253138284000, 136776355872474140000, 3.009909527048881e+21, 6.6229625352973065e+22 ]
[ "nonn" ]
A386575
[ 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1...
[ "nonn" ]
A148198
[ 1, 1, 2, 4, 12, 33, 108, 360, 1259, 4495, 16726, 63085, 243465, 956363, 3809943, 15373894, 62802682, 259047003, 1078374062, 4527106194, 19143470222, 81500734973, 349136767609, 1504001293329, 6512451517597, 28334377206645, 123816571698718, 543263369796293, 2392...
[ "nonn", "walk" ]
A204192
[ 3, 18, 33, 86, 231, 639, 1724, 4697, 12763, 34668, 94209, 255980, 695507, 1889810, 5134844, 13952002, 37909418, 103004707, 279876923, 760461448, 2066270880, 5614322044, 15254830655, 41449324425, 112623111961, 306011389311 ]
[ "nonn" ]
A214795
[ 2, 2, 5, 5, 10, 5, 9, 5, 17, 12, 2, 5, 6, 9, 13, 17, 8, 17, 11, 53, 9, 2, 4, 5, 30, 6, 45, 17, 7, 33, 23, 41, 13, 8, 33, 17, 47, 11, 21, 53, 29, 9, 53, 23, 93, 33, 25, 17, 65, 30, 29, 23, 42, 45, 10, 17, ...
[ "nonn" ]
A086251
[ 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 3, 1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 1, 2, 1, 3, 2, 2, 1, 3, 2, 1, 2, 3, 3, 3, 1, 3, 1, 2, 2, 2, 2, 1, 1, 2, 2...
[ "hard", "nonn" ]
A209281
[ 0, 1, 2, 1, 3, 2, 1, 2, 4, 3, 2, 3, 1, 2, 3, 2, 5, 4, 3, 4, 2, 3, 4, 3, 1, 2, 3, 2, 4, 3, 2, 3, 6, 5, 4, 5, 3, 4, 5, 4, 2, 3, 4, 3, 5, 4, 3, 4, 1, 2, 3, 2, 4, 3, 2, 3, 5, 4, 3, 4, 2, 3, 4, 3...
[ "nonn", "tabf" ]
A162147
[ 0, 3, 14, 38, 80, 145, 238, 364, 528, 735, 990, 1298, 1664, 2093, 2590, 3160, 3808, 4539, 5358, 6270, 7280, 8393, 9614, 10948, 12400, 13975, 15678, 17514, 19488, 21605, 23870, 26288, 28864, 31603, 34510, 37590, 40848, 44289, 47918, 51740,...
[ "nonn", "easy" ]
A267206
[ 1, 10, 11111, 100010, 111010111, 1011111010, 1111100011111, 10001010100010, 11101011111010112, 101111100011111000, 111110001010100010000, 1.0001010111110101e+21, 1.1101011111000112e+24, 1.01111100010101e+25, 1.111100010101111e+28 ]
[ "nonn", "easy" ]