id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A278560
[ 0, 1, 2, 3, 8, 9, 10, 13, 14, 16, 17, 19, 21, 25, 26, 29, 30, 32, 37, 38, 40, 41, 42, 46, 48, 49, 50, 51, 54, 58, 59, 65, 66, 69, 70, 72, 73, 74, 77, 78, 81, 83, 85, 89, 90, 97, 98, 101, 102, 104, 105, 106, 109, 114, 117, 118, 120, 122, 125, 128, 129, 130, 131, 134, 136, 138, 139, 144, 145, 146 ]
[ "nonn" ]
A092919
[ 0, 1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 86, 90, 94, 98, 102, 106, 110, 114, 118, 122, 126, 130, 134, 138, 142, 146, 150, 154, 158, 162, 166, 170, 174, 178, 182, 186, 190, 194, 198, 202, 206, 210 ]
[ "nonn" ]
A093503
[ 2, 3, 5, 11, 17, 23, 29, 37, 47, 59, 71, 83, 97, 113, 127, 149, 167, 191, 211, 233, 257, 281, 307, 331, 359, 389, 419, 449, 479, 509, 541, 577, 613, 647, 683, 719, 757, 797, 839, 881, 929, 971, 1013, 1061, 1109, 1163, 1213, 1277, 1327, 1381, 1433, 1487, 1543 ]
[ "easy", "nonn" ]
A359561
[ 1, 1, 3, 0, -256, -5000, -46656, 941192, 67108864, 2066242608, 24000000000, -1659995174464, -142657607172096, -5964309791355136, -76196618232397820, 11210083593750000000, 1.1805916207174113e+21, 6.228632560085359e+22, 8.393900389396594e+23, -2.1325281341012223e+26 ]
[ "sign" ]
A072136
[ 1, 1, 1, 1, 1, 1, 3, 10, 32, 5, 5, 5, 19, 16, 13, 19, 7, 25, 25, 15, 9, 17, 29, 23, 60, 35, 3, 6, 4, 91, 20, 30, 51, 85, 70, 103, 33, 44, 28, 3, 52, 17, 60, 62, 9, 187, 4, 39, 39, 10, 13, 8, 37, 14, 56, 18, 20, 142, 4, 38, 57, 131, 17, 14, 33, 101, 40, 6, 42, 15, 68, 191, 149, 24 ]
[ "nonn" ]
A138477
[ 0, 0, 1, 2, 3, 6, 15, 30, 55, 110, 231, 462, 903, 1806, 3655, 7310, 14535, 29070, 58311, 116622, 232903, 465806, 932295, 1864590, 3727815, 7455630, 14913991, 29827982, 59650503, 119301006, 238612935, 477225870, 954429895, 1908859790, 3817763271, 7635526542 ]
[ "nonn", "easy" ]
A265891
[ 1, 1, 2, 1, 3, 8, 2, 6, 1, 3, 10, 1, 5, 14, 1, 5, 16, 1, 5, 15, 1, 4, 12, 1, 3, 9, 28, 2, 6, 19, 1, 3, 11, 35, 2, 6, 19, 1, 3, 10, 30, 1, 4, 14, 44, 2, 6, 20, 61, 2, 8, 25, 1, 3, 10, 31, 1, 3, 11, 35, 1, 4, 12, 38, 1, 4, 12, 39, 1, 4, 12, 39, 1, 3, 11, 36, 1, 3, 10, 33, 102, 3, 9, 28, 89, 2, 7, 23, 74, 1, 6, 19, 59 ]
[ "nonn", "base", "look" ]
A377432
[ 0, 1, 0, 2, 0, 1, 0, 0, 2, 0, 2, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 2, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0 ]
[ "nonn" ]
A120692
[ 20, 156, 255, 609, 1295, 2385, 4015, 4095, 6545, 6984, 9919, 9999, 12656, 14385, 14625, 20724, 20735, 28545, 32424, 37791, 38335, 38415, 48464, 50369, 50609, 64911, 65455, 69804, 82225, 83265, 83505, 96016, 97056, 97636, 102575, 104351 ]
[ "nonn" ]
A122324
[ 0, 1, 3, 2, 7, 8, 4, 5, 6, 17, 18, 20, 22, 21, 9, 10, 11, 12, 13, 14, 16, 19, 15, 45, 46, 48, 50, 49, 54, 55, 61, 63, 64, 57, 58, 59, 62, 23, 24, 25, 27, 26, 28, 29, 30, 31, 32, 33, 34, 36, 35, 37, 38, 42, 44, 47, 51, 53, 56, 60, 39, 43, 40, 41, 52, 129, 130, 132, 134, 133 ]
[ "nonn" ]
A381946
[ 12, 6, 12, 6, 3, 6, 21, 6, 21, 12, 12, 16, 24, 51, 7, 26, 42, 6, 48, 6, 6, 6, 14, 18, 5, 24, 26, 26, 32, 12, 23, 26, 4, 41, 9, 26, 19, 22, 24, 6, 4, 7, 8, 6, 9, 14, 31, 8, 6, 3, 3, 26, 25, 27, 3, 26, 65, 26, 5, 6, 24, 23, 22, 26, 21, 4, 25, 12, 14, 21, 17, 24, 19, 47, 5, 22, 14, 24, 25 ]
[ "nonn", "base" ]
A279745
[ 0, 80, 766, 4940, 29140, 167904, 927615, 5029822, 26842413, 141506744, 738488507, 3821661440, 19635250935, 100265767074, 509297332780, 2575109743084, 12967976929637, 65073500707556, 325507453206018, 1623623692686646 ]
[ "nonn" ]
A103828
[ 1, 3, 9, 27, 69, 429, 1059, 56499, 166839, 5020059, 7681809, 274343589, 8316187179, 2866819175649, 7180244842749, 216549352241349, 22129340663539628, 2504509324460255700 ]
[ "nonn", "more" ]
A349361
[ 1, 1, 4, 26, 194, 1581, 13625, 122120, 1126780, 10631460, 102104845, 994855179, 9809872626, 97710157154, 981636609906, 9935473707279, 101214412755647, 1036991125300748, 10678412226507032, 110459290208905010, 1147261657267290000 ]
[ "nonn" ]
A130224
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 15, 19, 24, 29, 34, 39, 44, 49, 54, 59, 64, 69, 74, 79, 84, 89, 94, 99, 104, 110, 118, 128, 139, 151, 165, 180, 196, 213, 231, 250, 269, 288, 307, 326, 345, 364, 383, 402, 421, 441, 462 ]
[ "base", "easy", "nonn" ]
A324990
[ 1, 3, 5, 7, 0, 11, 13, 21, 17, 19, 40, 23, 34, 39, 29, 31, 63, 46, 37, 57, 41, 43, 76, 47, 0, 99, 53, 74, 0, 59, 61, 93, 86, 67, 116, 71, 73, 111, 125, 79, 175, 83, 171, 121, 89, 122, 0, 141, 97, 0, 101, 103, 0, 107, 109, 188, 113, 250, 0, 158, 169, 183, 166 ]
[ "nonn", "look" ]
A092370
[ 1, 3, 3, 6, 15, 10, 10, 45, 70, 35, 15, 105, 280, 315, 126, 21, 210, 840, 1575, 1386, 462, 28, 378, 2100, 5775, 8316, 6006, 1716, 36, 630, 4620, 17325, 36036, 42042, 25740, 6435, 45, 990, 9240, 45045, 126126, 210210, 205920, 109395, 24310, 55, 1485, 17160 ]
[ "nonn", "tabl" ]
A328042
[ 3, 21, 61, 205, 474, 1246, 2723, 6277, 12961, 28682, 56976, 118919, 234715, 473988, 913011, 1807211, 3430048, 6648397, 12500170, 23764885, 44174088, 83090853, 152803509, 283387971, 517516615, 949775754, 1719088271, 3127641937, 5618833687, 10133255636 ]
[ "nonn" ]
A116479
[ 1, 1, 1, 2, 1, 2, 1, 3, 2, 2, 1, 3, 1, 2, 2, 1, 3, 1, 3, 2, 2, 1, 4, 2, 2, 3, 3, 1, 3, 1, 5, 2, 2, 2, 1, 2, 2, 4, 1, 3, 1, 3, 3, 2, 1, 2, 3, 2, 3, 1, 4, 2, 4, 2, 2, 1, 4, 1, 2, 3, 2, 3, 1, 3, 2, 3, 1, 5, 1, 2, 3, 3, 2, 3, 1, 2, 1, 4, 2, 2, 2, 4, 1, 4, 2, 3, 2, 2, 2, 6, 1, 3, 3, 4, 1, 3 ]
[ "easy", "nonn" ]
A316624
[ 1, 1, 1, 2, 2, 4, 4, 8, 9, 16, 20, 40, 47, 83, 111, 201, 259, 454, 603, 1049, 1432, 2407, 3390, 6006, 8222, 13904, 20304, 34828, 50291, 85817, 126013, 217653, 317894, 535103, 798184, 1367585, 2008125, 3360067, 5048274, 8499942, 12623978, 21023718, 31552560, 52575257 ]
[ "nonn" ]
A262671
[ 1, 6, 42, 335, 2956, 28468, 296540 ]
[ "nonn", "more" ]
A345062
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 4, 1, 4, 3, 1, 1, 13, 1, 1, 4, 6, 1, 8, 1, 7, 1, 1, 1, 11, 1, 1, 6, 9, 4, 25, 1, 10, 7, 6, 1, 8, 1, 1, 9, 12, 1, 16, 1, 31, 9, 1, 1, 2, 6, 19, 10, 15, 1, 5, 1, 16, 23, 1, 7, 12, 1, 1, 12, 7, 1, 7, 1, 19, 31, 1, 6, 7, 1, 12, 1, 21, 1, 3, 9, 22, 15, 6, 1, 17, 7, 1, 16, 24, 10, 32, 1, 57 ]
[ "nonn" ]
A303295
[ 0, 20, 49, 99, 165, 247, 345, 459, 589, 735, 897, 1075, 1269, 1479, 1705, 1947, 2205, 2479, 2769, 3075, 3397, 3735, 4089, 4459, 4845, 5247, 5665, 6099, 6549, 7015, 7497, 7995, 8509, 9039, 9585, 10147, 10725, 11319, 11929, 12555 ]
[ "nonn", "easy" ]
A233915
[ 145004, 4908404, 148503096, 5494251884, 179779430264, 6709328689904, 224247343748408, 8354188752786996, 282149056961983550, 10483870479310426000, 356671417796342100000, 1.3222669495882029e+22 ]
[ "nonn" ]
A387961
[ 2, 1, 5, 377, 335, 481197, 48032639, 7887570497, 1085946652169 ]
[ "nonn", "more" ]
A196814
[ 1, 4, 6, 84, 120, 784, 280, 40816, 13806, 1361706, 110990, 142633176, 4263454, 197730660, 9246172320 ]
[ "nonn", "hard" ]
A059455
[ 5, 11, 23, 83, 179, 359, 719, 1019, 1439, 2039, 2063, 2459, 2819, 2903, 2963, 3023, 3623, 3779, 3803, 3863, 4919, 5399, 5639, 6899, 6983, 7079, 7643, 7823, 10163, 10799, 10883, 11699, 12203, 12263, 12899, 14159, 14303, 14699, 15803, 17939 ]
[ "nonn" ]
A061518
[ 0, 5, 10, 65, 1110, 6665, 11111110, 66666665, 1111111111111110, 6666666666666665, 1.1111111111111112e+31, 6.666666666666667e+31, 1.1111111111111112e+63 ]
[ "base", "nonn" ]
A179977
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 17, 16, 15, 14, 13, 12, 11, 10, 25, 26, 18, 19, 20, 21, 22, 23, 24, 27, 28, 29, 37, 36, 35, 34, 33, 32, 31, 30, 45, 46, 38, 39, 40, 41, 42, 43, 44, 47, 48, 49, 57, 56, 55, 54, 53, 52, 51, 50, 65, 66, 58, 59, 60, 61, 62, 63, 64, 67, 68, 69, 77, 76, 75 ]
[ "nonn" ]
A049844
[ 1, 3, 4, 7, 9, 12, 15, 18, 22, 26, 29, 30, 31, 41, 43, 44, 51, 53, 52, 62, 63, 70, 67, 81, 86, 84, 93, 96, 99, 102, 109, 111, 118, 119, 129, 129, 141, 149, 153, 150, 149, 163, 166, 162, 167, 177, 176, 189, 192, 199, 204, 198, 206 ]
[ "nonn" ]
A165600
[ 141, 1, -1, -1, -2, -1, 0, -1, -1, 5, -1, -1, 1, 2, -2, 1, -2, -1, -1, 1, -11, -1, 1, -10, -2, 1, -5, -1, -1, -1, 1, 4, 2, 18, -1, 42, 4, 1, -2, 81, 1, -1, 2, 0, 9, 3, 1, 2, 4, 5, -25, -1, -1, -16, -1, 4, 18, -1, 1, 2, 27, 1, 2, -1, 5, -1, -10, -1, -1, 1, -1, -1, -2, -1, 5, -1 ]
[ "sign" ]
A292012
[ 7, 73, 262657, 18837001, 77158673929, 5.302306226370307e+21, 3.280170250141029e+50, 6.113142872404227e+39, 3.4175792320105064e+97 ]
[ "nonn" ]
A097885
[ 1, 1, 2, 4, 8, 1, 17, 4, 37, 13, 1, 82, 40, 5, 185, 116, 21, 1, 423, 326, 80, 6, 978, 899, 279, 31, 1, 2283, 2444, 924, 140, 7, 5373, 6578, 2948, 568, 43, 1, 12735, 17576, 9136, 2156, 224, 8, 30372, 46702, 27690, 7777, 1035, 57, 1, 72832, 123568, 82453, 26952, 4422 ]
[ "nonn", "tabf" ]
A266052
[ 19, 598, 10310, 624720, 27764427, 1354845965, 66932934348, 3259070209301, 159353279107646, 7792621095228513, 380866765803286900, 18618322174587460000, 910139683582144000000, 4.449039715977054e+22 ]
[ "nonn" ]
A052682
[ 1, 0, 6, 18, 288, 2520, 41040, 604800, 11733120, 236234880, 5530291200, 138790713600, 3855483878400, 115075344384000, 3716149018982400, 128239702246656000, 4727462529613824000, 185010460036706300000 ]
[ "easy", "nonn" ]
A212903
[ 1, 8, 35, 94, 209, 398, 697, 1130, 1743, 2568, 3661, 5060, 6833, 9024, 11711, 14946, 18817, 23382, 28741, 34958, 42143, 50368, 59753, 70376, 82369, 95816, 110859, 127590, 146161, 166670, 189281, 214098, 241295, 270984, 303349, 338508 ]
[ "nonn", "easy" ]
A367757
[ 1, 1, 3, 13, 73, 501, 3337, 27637, 254409, 2557369, 27603631, 313768731, 3905502745, 51573777841, 718307494269, 10507900625251, 161239887204721, 2608009648536417, 43989477103304150, 772109936171046000, 14085074476090366000, 266890182641557770000 ]
[ "nonn" ]
A130631
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 3, 2, 2, 4, 1, 2, 3, 2, 2, 2, 1, 4, 2, 3, 1, 3, 3, 4, 2, 1, 3, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1 ]
[ "easy", "nonn", "base" ]
A044884
[ 2198, 2199, 2200, 2201, 2202, 2203, 2204, 2205, 2206, 2207, 2208, 2209, 2211, 2225, 2239, 2253, 2267, 2281, 2295, 2309, 2323, 2337, 2351, 2365, 2367, 2368, 2369, 2370, 2371, 2372, 2373, 2374, 2375, 2376, 2377, 2378 ]
[ "nonn", "base" ]
A144103
[ -1, 3, 5, 23, 19, 47, 83, 211, 109, 317, 619, 199, 1373, 1123, 1627, 4751, 2557, 3413, 4289, 1321, 2161, 2477, 7963, 5591, 9551, 17239, 15823, 14087, 19603, 34963, 36389, 33223, 24251, 35603, 43321, 19609, 134507, 31393, 136999, 31397, 38461, 107357 ]
[ "sign" ]
A265209
[ 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 0, 1, 2, 2, 1, 0, 1, 1, 1, 2, 0, 2, 1, 0, 0, 1, 1, 1, 2, 0, 0, 2, 2, 2, 1, 1, 0, 1, 2, 2, 1, 2, 2, 1, 0, 2, 1, 2, 1, 2, 1, 2, 1, 2, 0, 1, 1, 0, 2, 0, 2, 0, 1, 0, 2, 2, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 2, 2 ]
[ "nonn", "tabf", "base" ]
A101780
[ 3, 103, 503, 1103, 1303, 2003, 2203, 2503, 2803, 2903, 3203, 3803, 4003, 4603, 4703, 4903, 5003, 5303, 5503, 5903, 6203, 6703, 6803, 7103, 7603, 7703, 8803, 9103, 9203, 9403, 9803, 10103, 10303, 10903, 11003 ]
[ "nonn", "easy" ]
A205003
[ 1, 1, 2, 3, 1, 2, 2, 7, 1, 1, 4, 2, 5, 1, 3, 15, 7, 2, 8, 1, 5, 3, 10, 6, 2, 4, 1, 4, 13, 3, 14, 31, 2, 6, 1, 3, 17, 7, 3, 5, 19, 2, 20, 1, 4, 9, 22, 14, 3, 7, 5, 2, 25, 1, 8, 4, 6, 12, 28, 3 ]
[ "nonn" ]
A271237
[ 1, 1, 1, 2, 2, 3, 3, 3, 4, 3, 4, 3, 3, 3, 2, 3, 2, 3, 1, 2, 3, 2, 2, 1, 4, 3, 2, 3, 3, 5, 3, 4, 6, 4, 5, 4, 6, 4, 4, 3, 5, 5, 3, 6, 3, 6, 4, 4, 6, 3, 5, 4, 4, 4, 3, 4, 5, 7, 4, 6, 4, 5, 6, 4, 10, 2, 6, 8, 3, 7, 4, 8, 6, 5, 5, 4, 5, 2, 6, 1, 5, 3, 3, 8, 5, 7, 6, 6, 9, 6, 7, 6, 6, 5, 5, 6, 4, 6, 6, 8, 1 ]
[ "nonn" ]
A203974
[ 44, 5569, 1107082, 180623180, 30104480870, 5061444598545, 847220834970347, 141937054743243410, 23779975312437117000, 3.98365876995729e+21, 6.673790661799744e+23, 1.1180452257641092e+26 ]
[ "nonn" ]
A322348
[ 2, 3, 2, 4, 4, 4, 5, 4, 4, 5, 6, 5, 6, 6, 6, 7, 6, 6, 7, 8, 7, 8, 8, 8, 8, 8, 8, 8, 9, 8, 9 ]
[ "nonn", "more" ]
A213310
[ 10, 14, 16, 18, 40, 44, 46, 48, 49, 60, 64, 66, 68, 69, 80, 81, 84, 86, 88, 90, 91, 94, 96, 98, 99, 117, 123, 127, 132, 133, 135, 139, 153, 157, 167, 171, 172, 175, 177, 193, 211, 213, 217, 222, 225, 230, 234, 236, 238, 241 ]
[ "nonn", "fini", "base" ]
A296195
[ 1, 1, 3, 10, 39, 160, 691, 3081, 14095, 65757, 311695, 1496833, 7267009 ]
[ "nonn", "more" ]
A319064
[ 4486949, 4651993, 20950343, 4941649, 21184318, 23250274, 5571593, 33538051, 163075007, 741652533, 11903257, 78868324, 189850207, 882345432, 710808570, 19397501, 86892632, 230695118, 1528112512, 5126829291, 2380570527, 19841257, 111899224, 421883318, 1701241810 ]
[ "nonn", "tabl" ]
A346122
[ 3, 2, 12, 4, 25, 54, 14, 48, 45, 30, 55, 96, 117, 98, 135, 48, 34, 54, 152, 80, 126, 44, 138, 96, 75, 78, 216, 84, 58, 210, 279, 160, 0, 68, 280, 288, 148, 38, 351, 280, 41, 252, 387, 132, 405, 414, 141, 336, 245, 50, 0, 260, 424, 108, 0, 504, 399, 232, 531 ]
[ "base", "nonn" ]
A228415
[ 1, 7, 54, 534, 4909, 45405, 385008, 3539880, 32260781, 294001190, 2564080248, 23271246324, 211753431947 ]
[ "more", "nonn", "base", "hard" ]
A182102
[ 0, -1, 4, 48, -1, 7, 343, 16, 0, 8, 2064, 123, -1, 3, 10, 12095, 748, 0, 12, 5, 11, 70560, 4391, 7, 71, 10, 8, 12, 411319, 25624, 48, 416, 45, 23, 11, 13, 2397408, 149379, 287, 2427, 250, 116, 36, 14, 14, 13973183, 870676 ]
[ "tabl", "sign" ]
A266437
[ 1, 3, 0, 7, 0, 11, 0, 15, 0, 19, 0, 23, 0, 27, 0, 31, 0, 35, 0, 39, 0, 43, 0, 47, 0, 51, 0, 55, 0, 59, 0, 63, 0, 67, 0, 71, 0, 75, 0, 79, 0, 83, 0, 87, 0, 91, 0, 95, 0, 99, 0, 103, 0, 107, 0, 111, 0, 115, 0, 119, 0, 123, 0, 127, 0, 131, 0, 135, 0, 139, 0 ]
[ "nonn", "easy" ]
A031090
[ 2, 13, 28, 30, 31, 32, 34, 36, 38, 40, 42, 44, 49, 67, 85, 103, 121, 139, 159, 186, 208, 211, 213, 214, 217, 220, 223, 226, 229, 232, 240, 267, 294, 321, 348, 375, 398, 401, 402, 404, 407, 410, 413, 416, 419, 422, 425, 428, 429 ]
[ "nonn" ]
A135067
[ 8, 343, 1331, 1030301 ]
[ "more", "nonn", "base", "changed" ]
A267239
[ 2, 7, 42, 567, 20040, 2093467, 683027146, 723576702570, 2549735632656528, 30465608408449995000, 1.2509199522570374e+24, 1.7876424775385278e+29, 8.97526609736879e+34 ]
[ "nonn" ]
A260211
[ 0, 1, 0, 3, 0, 2, 5, 7, 0, 6, 9, 15, 0, 4, 10, 14, 17, 21, 27, 31, 0, 12, 18, 30, 33, 45, 51, 63, 0, 8, 20, 28, 34, 42, 54, 62, 65, 73, 85, 93, 99, 107, 119, 127, 0, 24, 36, 60, 66, 90, 102, 126, 129, 153, 165, 189, 195, 219, 231, 255 ]
[ "nonn", "easy", "tabf" ]
A019340
[ 5, 7, 17, 31, 41, 43, 53, 67, 101, 103, 113, 127, 137, 139, 149, 151, 163, 173, 197, 223, 257, 269, 281, 283, 293, 317, 353, 367, 379, 389, 401, 449, 461, 509, 523, 547, 557, 569, 571, 593, 607, 617, 619, 631, 641, 653, 691, 701, 739, 751, 761, 773, 787, 797, 809, 821 ]
[ "nonn" ]
A137170
[ 3, 7, 15, 31, 43, 51, 63, 67, 75, 79, 87, 99, 111, 115, 127, 135, 151, 159, 163, 171, 195, 211, 219, 223, 231, 235, 259, 267, 283, 303, 307, 319, 327, 331, 339, 367, 391, 399, 415, 427, 451, 463, 475, 483, 487, 495, 511, 519, 535, 559, 579, 583, 591, 615, 619, 631, 639 ]
[ "nonn" ]
A225567
[ 1423, 2143, 2341, 4231, 12253, 21523, 22153, 22531, 23251, 25321, 32251, 35221, 36343, 36433, 43633, 52321, 64333, 114451, 144511, 224461, 244261, 246241, 365557, 415141, 424261, 426421, 446221, 446461, 451411, 462421, 466441, 541141, 555637, 556537, 556573 ]
[ "nonn", "base", "fini", "easy" ]
A296220
[ 1, 2, 10, 13, 16, 19, 22, 25, 29, 34, 38, 43, 47, 52, 56, 61, 65, 70, 74, 79, 82, 86, 91, 94, 97, 101, 106, 109, 113, 118, 121, 124, 128, 133, 136, 140, 145, 148, 151, 155, 160, 163, 167, 172, 175, 178, 182, 187, 190, 194, 199, 202, 205, 209, 214, 217, 221 ]
[ "nonn", "easy" ]
A186397
[ 188, 273, 377, 403, 438, 506, 598, 605, 732, 758, 790, 800, 866, 885, 916, 936, 972, 981, 1031, 1032, 1060, 1074, 1075, 1086, 1103, 1128, 1136, 1193, 1194, 1204, 1218, 1240, 1248, 1265, 1280, 1287, 1293, 1298, 1390, 1400 ]
[ "nonn" ]
A345759
[ 1, -1, -2, -2, 7, 78, 513, 2665, 9406, -13902, -789143, -11806456, -140040408, -1463842226, -13377115923, -95264642343, -198034245627, 11021440199748, 322964047973519, 6617250866231379, 118668721540190350, 1965786734149802000, 30348547043773563000 ]
[ "sign" ]
A386204
[ 1, 2, 3, 3, 7, 11, 7 ]
[ "nonn", "hard", "more" ]
A275807
[ 1, 2, 9, 4, 6, 4, 75, 50, 27, 8, 12, 8, 45, 20, 27, 8, 18, 8, 30, 20, 18, 8, 12, 8, 735, 490, 441, 196, 294, 196, 375, 250, 81, 16, 24, 16, 135, 40, 81, 16, 54, 16, 60, 40, 36, 16, 24, 16, 525, 350, 189, 56, 84, 56, 375, 250, 81, 16, 24, 16, 225, 100, 81, 16, 36, 16, 150, 100, 54, 16, 24, 16, 315, 140, 189, 56, 126, 56, 225, 100, 81, 16, 36, 16 ]
[ "nonn" ]
A236820
[ 81, 2211, 168564, 36874967, 21755065689, 36178398554012, 161548363232714370, 1.9943297489606064e+21 ]
[ "nonn" ]
A220973
[ 8, 23, 368, 1972, 12033, 79554, 503607, 3213597, 20509600, 131200351, 838727086, 5361102811, 34276632448, 219139964718, 1400992769305, 8956840667851, 57262934303862, 366093267032756, 2340506776827743, 14963323072215608 ]
[ "nonn" ]
A329371
[ 0, 1, 1, 4, 1, 8, 1, 12, 5, 12, 1, 28, 1, 16, 11, 32, 1, 37, 1, 44, 15, 24, 1, 80, 7, 28, 19, 60, 1, 82, 1, 80, 21, 36, 15, 128, 1, 40, 27, 128, 1, 114, 1, 92, 49, 48, 1, 208, 9, 89, 33, 108, 1, 146, 21, 176, 39, 60, 1, 284, 1, 64, 69, 192, 25, 174, 1, 140, 45, 170, 1, 364, 1, 76, 70, 156, 21, 210, 1, 336, 65, 84, 1, 396, 33, 88, 55, 272, 1, 368, 25, 188, 63 ]
[ "nonn" ]
A374326
[ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "easy" ]
A225078
[ 1, 2, 4, 6, 14, 20, 26, 36, 54, 74, 116, 120, 126, 130, 134, 160, 176, 204, 210, 230, 236, 256, 264, 284, 300, 314, 340, 386, 420, 440, 466, 490, 496, 544, 594, 636, 644, 714, 750, 760, 784, 816, 930, 950, 986, 1070, 1124, 1140, 1146, 1156, 1174, 1176, 1210 ]
[ "nonn" ]
A086919
[ 11, 10, 13, 14, 15, 16, 17, 18, 19, 90, 101, 131, 141, 151, 161, 171, 181, 191, 909, 1001, 1010, 1021, 1032, 1043, 1054, 1065, 1076, 1087, 1098, 1331, 1320, 1313, 1302, 1375, 1386, 1397, 2075, 2086, 2097, 1441, 1430, 1425, 1414, 1403, 1496, 3063, 3074, 3085, 3096, 1551 ]
[ "sign", "base" ]
A384503
[ 1, 2, 3, 4, 6, 5, 8, 10, 7, 12, 14, 9, 16, 15, 18, 11, 20, 22, 13, 24, 26, 17, 28, 34, 19, 30, 38, 21, 32, 27, 36, 23, 33, 46, 39, 40, 42, 25, 35, 29, 45, 58, 48, 31, 44, 62, 37, 50, 74, 41, 52, 82, 43, 54, 86, 47, 56, 94, 49, 60, 63, 53, 51, 106, 57, 64, 66, 59 ]
[ "nonn" ]
A312251
[ 1, 4, 8, 14, 16, 20, 26, 30, 32, 38, 44, 50, 50, 56, 60, 62, 68, 72, 78, 84, 84, 92, 96, 96, 102, 104, 114, 120, 116, 126, 132, 130, 138, 138, 148, 154, 150, 162, 166, 162, 174, 172, 184, 190, 182, 196, 202, 196, 208, 204 ]
[ "nonn" ]
A316583
[ 0, 1, 1, 1, 7, 1, 2, 23, 23, 2, 3, 86, 63, 86, 3, 5, 313, 338, 338, 313, 5, 8, 1145, 1312, 2477, 1312, 1145, 8, 13, 4184, 5936, 15200, 15200, 5936, 4184, 13, 21, 15293, 25271, 98828, 130212, 98828, 25271, 15293, 21, 34, 55895, 110555, 634867, 1216428, 1216428 ]
[ "nonn", "tabl" ]
A176202
[ 1, 0, 1, 0, 0, 2, 1, 0, 0, 2, 0, 1, 0, 0, 4, 0, 0, 2, 0, 0, 5, 2, 0, 0, 2, 0, 0, 7, 0, 2, 0, 0, 4, 0, 0, 9, 0, 0, 4, 0, 0, 5, 0, 0, 13, 3, 0, 0, 4, 0, 0, 7, 0, 0, 16, 0, 3, 0, 0, 8, 0, 0, 9, 0, 0, 22, 0, 0, 6, 0, 0, 10, 0, 0, 13, 0, 0, 27 ]
[ "nonn", "tabl" ]
A355328
[ 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1 ]
[ "nonn", "cons" ]
A091724
[ 3, 1, 7, 2, 2, 1, 8, 9, 5, 8, 1, 2, 5, 4, 5, 0, 5, 2, 7, 7, 2, 7, 9, 1, 3, 4, 0, 9, 0, 6, 9, 4, 7, 4, 9, 7, 7, 1, 2, 2, 9, 5, 7, 7, 3, 7, 7, 7, 2, 3, 0, 0, 4, 5, 8, 5, 1, 4, 7, 7, 8, 2, 8, 8, 4, 1, 9, 2, 5, 2, 1, 4, 4, 1, 1, 6, 3, 8, 9, 4, 6, 3, 6, 6, 4, 6, 3, 8, 1, 7, 8, 7, 5, 0, 8, 4, 8, 9, 6, 6, 6, 5 ]
[ "nonn", "cons" ]
A057830
[ 1, 2, 4, 6, 12, 14, 28, 78, 98, 148, 196, 686, 689, 1014, 1372, 1751, 2724, 4134, 4802, 5154, 5819, 9604, 10094, 12246, 13182, 19306, 19796, 33614, 50764, 53742, 60578, 67228, 106708, 108146, 117404, 126409, 135142, 158732, 159198, 171366, 219102 ]
[ "nonn" ]
A238816
[ 1, 4, 44, 2828, 564468, 754425400, 3079904455096, 88444819222239180, 7.685637690960745e+21, 4.7933159378119194e+27 ]
[ "nonn", "more" ]
A197158
[ 2, 5, 16, 57, 212, 817, 3232, 13018, 53176, 219680, 915928, 3848079, 16271384, 69183099, 295561620, 1267964967, 5459626526 ]
[ "nonn", "hard", "more" ]
A040006
[ 3, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 ]
[ "nonn", "cofr", "easy" ]
A286532
[ 1, 2, 2, 3, 2, 4, 3, 5, 2, 4, 4, 6, 3, 6, 4, 7, 2, 4, 5, 6, 4, 8, 4, 9, 3, 6, 4, 10, 4, 8, 6, 11, 2, 4, 4, 6, 4, 9, 4, 9, 4, 8, 4, 12, 4, 8, 4, 13, 3, 6, 6, 10, 5, 8, 8, 14, 4, 8, 4, 12, 4, 12, 4, 15, 2, 4, 6, 6, 4, 8, 7, 9, 4, 8, 4, 14, 4, 8, 6, 13, 4, 8, 6, 12, 4, 8, 4, 16, 4, 8, 8, 12, 6, 8, 4, 17, 3, 6, 4, 10, 4, 12, 9, 14, 4, 9, 4, 12, 4, 18, 4, 19, 4, 8 ]
[ "nonn" ]
A315800
[ 1, 6, 6, 12, 24, 18, 30, 36, 42, 36, 54, 54, 60, 66, 66, 84, 60, 90, 96, 90, 96, 108, 108, 108, 126, 126, 126, 126, 144, 150, 144, 150, 168, 150, 168, 186, 174, 186, 180, 198, 198, 204, 210, 210, 216, 222, 240, 228, 240, 240 ]
[ "nonn" ]
A042426
[ 27, 109, 136, 245, 3321, 60023, 783620, 843643, 1627263, 7352695, 398672793, 1602043867, 2000716660, 3602760527, 48836603511, 882661623725, 11523437711936, 12406099335661, 23929537047597, 108124247526049, 5862638903454243, 23558679861343020 ]
[ "nonn", "cofr", "frac", "easy" ]
A052672
[ 1, 0, 4, 6, 120, 600, 10080, 95760, 1693440, 23950080, 475372800, 8821612800, 199743667200, 4533271142400, 116906088499200, 3112264995840000, 90679371374592000, 2757644630028288000, 89895729202126850000 ]
[ "easy", "nonn" ]
A203858
[ 1, 1093, 5461, 205339, 3897434, 102033577, 2464268044, 63327787115, 1627243839488, 42592757748839, 1123514934469218, 29909548355299576, 801531714260597100, 21610508530971124000, 585611144766061300000, 1.5940294818101008e+22, 4.3559213538755386e+23 ]
[ "nonn" ]
A212229
[ 34001, 89911, 242780, 660796, 1804448, 4931630, 13468524, 36711516, 99762134, 269986256, 726810250, 1959270880, 5292416365, 14316932524, 38765529832, 105016326560, 284539410032, 770899685027, 2088100303095, 5654125322731 ]
[ "nonn" ]
A200411
[ 1, 4, 8, 6, 5, 3, 0, 3, 9, 7, 4, 1, 1, 8, 9, 4, 6, 0, 3, 1, 2, 9, 2, 5, 5, 4, 9, 9, 4, 6, 4, 8, 6, 4, 9, 6, 0, 2, 7, 4, 1, 2, 7, 5, 3, 4, 5, 4, 6, 9, 2, 8, 9, 5, 5, 4, 4, 1, 3, 4, 6, 4, 6, 0, 5, 7, 6, 8, 8, 5, 2, 7, 6, 7, 6, 5, 6, 8, 0, 2, 5, 1, 1, 7, 6, 5, 9, 6, 0, 2, 2, 7, 2, 6, 9, 7, 9, 1, 6 ]
[ "nonn", "cons" ]
A234768
[ 239044, 17095452, 570633100, 54068454752, 2177670570012, 205018146052256, 8967685381446696, 802936656799504300, 37230122643166460000, 3.1729155214445023e+21, 1.542282663574395e+23 ]
[ "nonn" ]
A249076
[ 0, 64, 46656, 2985984, 64000000, 729000000, 5489031744, 30840979456, 139314069504, 531441000000, 1771561000000, 5289852801024, 14412774445056, 36343632130624, 85766121000000, 191102976000000, 404961208827904, 820972403643456, 1600135042849344, 3010936384000000, 5489031744000000 ]
[ "nonn", "easy" ]
A027610
[ 1, 1, 1, 3, 7, 24, 93, 434, 2110, 11002, 58713, 321776, 1792133, 10131027, 57949430, 334970205, 1953890318, 11489753730, 68054102361, 405715557048, 2433003221232, 14668536954744, 88869466378593, 540834155878536, 3304961537938269, 20273202069859770 ]
[ "nonn", "easy", "nice", "changed" ]
A185381
[ 0, 1, 2, 3, 8, 21, 34, 89, 144, 377, 987, 1597, 4181, 10946, 17711, 46368, 75025, 196418, 514229, 832040, 2178309, 3524578, 9227465, 24157817, 39088169, 102334155, 267914296, 433494437, 1134903170, 1836311903, 4807526976, 12586269025, 20365011074, 53316291173, 139583862445, 225851433717, 591286729879, 956722026041, 2504730781961, 6557470319842 ]
[ "nonn" ]
A113660
[ 1, 6, 12, 6, -6, 0, 12, 12, 12, 6, 0, 0, -6, 12, 24, 0, -6, 0, 12, 12, 0, 12, 0, 0, 12, 6, 24, 6, -12, 0, 0, 12, 12, 0, 0, 0, -6, 12, 24, 12, 0, 0, 24, 12, 0, 0, 0, 0, -6, 18, 12, 0, -12, 0, 12, 0, 24, 12, 0, 0, 0, 12, 24, 12, -6, 0, 0, 12, 0, 0, 0, 0, 12, 12 ]
[ "sign", "easy" ]
A243359
[ 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1, 1, 5, 3, 4, 2, 2, 4, 3, 5, 1 ]
[ "nonn", "base" ]
A076074
[ 2, 1, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277 ]
[ "nonn" ]
A169049
[ 1, 36, 1260, 44100, 1543500, 54022500, 1890787500, 66177562500, 2316214687500, 81067514062500, 2837362992187500, 99307704726562500, 3475769665429687300, 121651938290039060000, 4.257817840151367e+21, 1.4902362440529784e+23 ]
[ "nonn" ]
A075647
[ 2, 1, 8, 3, 4, 9, 5, 6, 12, 32, 7, 10, 15, 16, 30, 11, 14, 18, 20, 25, 24, 13, 22, 21, 28, 35, 36, 77, 17, 26, 27, 40, 45, 42, 49, 96, 19, 34, 33, 44, 50, 48, 56, 64, 72, 23, 38, 39, 52, 55, 54, 63, 80, 81, 120, 29, 46, 51, 60, 65, 66, 70, 88, 90, 100, 187, 31, 58, 57, 68, 75, 78 ]
[ "nonn", "tabl" ]
A383915
[ 4, 16, 32, 60, 88, 124, 172, 216, 276, 332, 408, 484, 560, 648, 740, 848, 952, 1060, 1184, 1304, 1436, 1576, 1716, 1876, 2032, 2188, 2348, 2536, 2724, 2912, 3096, 3300, 3512, 3720, 3940, 4160, 4404, 4644, 4872, 5140, 5388, 5664, 5924, 6180, 6488, 6772, 7080, 7368, 7668, 8000 ]
[ "nonn" ]
A306115
[ 58, 85, 107, 112, 127, 157, 155, 194, 198, 238, 323, 237, 218, 301, 303, 324, 339, 476, 321, 284, 496, 421, 475, 415, 537, 447, 494, 538, 531, 439, 473, 546, 587, 588, 642, 690, 769, 689, 687, 686, 757, 732, 683, 826, 733, 825, 833, 810, 827, 888, 966 ]
[ "nonn", "base" ]
A115902
[ 1, 12, 120, 1120, 10080, 88704, 768768, 6589440, 56010240, 472975360, 3972993024, 33228668928, 276905574400, 2300446310400, 19060840857600, 157569617756160, 1299949346488320, 10705465206374400, 88022713919078400, 722712809019801600, 5926245033962373000 ]
[ "easy", "nonn" ]