id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A162241
[ 2004, 2009, 2015, 2026, 2032, 2037, 2043, 2054, 2060, 2065, 2071, 2082, 2088, 2093, 2099, 2105, 2111, 2122, 2128, 2133, 2139, 2150, 2156, 2161, 2167, 2178, 2184, 2189, 2195, 2201, 2207, 2218, 2224, 2229, 2235, 2246, 2252, 2257, 2263, 2274, 2280, 2285 ]
[ "nonn" ]
A067039
[ 1, 2, 9, 4096, 59604644775390620 ]
[ "nonn" ]
A338900
[ 1, 2, 3, 1, 2, 4, 5, 3, 6, 1, 7, 4, 8, 5, 2, 6, 9, 10, 3, 7, 11, 1, 12, 4, 13, 8, 2, 9, 14, 5, 15, 10, 6, 16, 3, 17, 11, 12, 4, 18, 13, 19, 1, 7, 20, 8, 21, 14, 5, 22, 15, 23, 16, 9, 2, 24, 17, 25, 6, 10, 26, 3, 18, 27, 11, 7, 28, 19, 1, 29, 12, 20, 2, 21, 4 ]
[ "nonn" ]
A375204
[ 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 16, 18, 20, 24, 32, 36, 40, 48, 64, 72, 80, 96, 128, 144, 160, 192, 256, 288, 320, 384, 512, 576, 640, 768, 1024, 1152, 1280, 1536, 2048, 2304, 2560, 3072, 4096, 4608, 5120, 6144, 8192, 9216, 10240, 12288, 16384 ]
[ "nonn", "more" ]
A228326
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 87, 65, 43, 21, 23, 45, 67, 89, 876, 54, 32, 10, 12, 34, 56, 76, 78, 98, 765, 432, 101, 210, 121, 212, 123, 232, 321, 234, 323, 434, 343, 454, 345, 456, 543, 2101, 2121, 2123, 2321, 2323, 2343, 2345, 654, 545, 656, 565, 676, 567 ]
[ "nonn", "base" ]
A365613
[ 0, 1, 0, 1, 3, 2, 4, 4, 9, 11, 18, 19, 30, 36, 51, 64, 90, 107, 150, 182, 239, 294, 385, 466, 602, 733, 928, 1129, 1420, 1714, 2137, 2578, 3177, 3826, 4690, 5617, 6845, 8181, 9898, 11803, 14211, 16878, 20234, 23974, 28596, 33795, 40161, 47311, 56025, 65845 ]
[ "nonn" ]
A307994
[ 1, 1, 1, 1, 1, 2, 2, 3, 2, 5, 3, 6, 4, 8, 4, 12, 5, 12, 7, 18, 6, 19, 8, 27, 10, 24, 9, 42, 12, 30, 13, 55, 13, 45, 14, 73, 18, 52, 18, 99, 19, 61, 24, 129, 20, 82, 25, 154, 29, 92, 26, 208, 32, 110, 33, 239, 33, 138, 38, 297, 42, 152, 39, 367, 43, 167, 51, 440, 49, 207, 52, 493, 59, 239 ]
[ "nonn" ]
A286975
[ 0, 30, 538, 8270, 123706, 1853532, 27938670, 424161696, 6473516290, 99212813068, 1525788269640, 23533226594814, 363874149524074, 5638501690692214, 87539755014915360, 1361389260565705700, 21203931694258696000 ]
[ "nonn" ]
A334679
[ 2, 4, 6, 8, 24, 36, 63, 456, 495, 3276, 6624, 7497, 8832, 19728, 23976, 127488, 167328, 273525, 274995, 297675, 576975, 661248, 797769, 853776, 1323648, 1378272, 1491264, 1886976, 3483648, 3679263, 3787749, 4644864, 6386688, 7886592, 7888896, 12841472, 15974784, 16224768 ]
[ "nonn", "base" ]
A038914
[ 2, 5, 13, 17, 19, 23, 29, 31, 43, 59, 61, 79, 89, 97, 103, 109, 113, 131, 163, 167, 179, 191, 193, 199, 227, 239, 241, 251, 257, 277, 281, 283, 311, 313, 331, 347, 353, 383, 389, 401, 409, 421, 431, 439, 449, 457 ]
[ "nonn" ]
A115530
[ 5714285714285714000, 8571428571428571000, 11428571428571429000, 4.6511627906976744e+32, 5.116279069767442e+32, 5.581395348837209e+32, 6.046511627906977e+32 ]
[ "nonn", "base" ]
A269515
[ 13, 29, 101, 509, 613, 941, 1373, 3037, 4349, 4733, 5981, 7477, 20693, 20981, 31957, 61141, 62477, 201389, 239893, 308093, 1159189, 1475701, 3060053, 5155789, 5388709, 5452709, 19314221, 69685813, 85432133, 91540133, 291295813, 381465589, 512258413, 609942197, 1126256773 ]
[ "nonn" ]
A255125
[ 1, 0, 1, 1, 1, 3, 6, 13, 26, 47, 81, 140, 253, 482, 949, 1875, 3666, 7088, 13614, 26100, 50082, 96246, 185131, 356123, 684758, 1316197, 2530257, 4868019, 9378335, 18096921, 34974646, 67669905, 130998912, 253565649, 490501587, 947992195, 1830664188, 3533571444 ]
[ "nonn" ]
A370170
[ 1, 3, 21, 156, 1221, 9828, 80580, 669294, 5612805, 47419905, 402993396, 3441242544, 29502452868, 253778827695, 2189249293266, 18932541179706, 164081616775173, 1424741956592535, 12392093363519416, 107946143556797700, 941580123046540500 ]
[ "nonn" ]
A373571
[ 1, 0, 1, 0, 1, 2, 1, 0, 1, 7, 14, 7, 1, 0, 1, 18, 94, 145, 84, 17, 1, 0, 1, 41, 481, 1676, 2302, 1351, 351, 36, 1, 0, 1, 88, 2159, 14859, 40319, 49434, 29378, 8627, 1222, 72, 1, 0, 1, 183, 9052, 113919, 554030, 1236040, 1380913, 816404, 260968, 44577, 3851, 141, 1 ]
[ "nonn", "tabf" ]
A100778
[ 1, 2, 4, 6, 8, 16, 30, 32, 36, 64, 128, 210, 216, 256, 512, 900, 1024, 1296, 2048, 2310, 4096, 7776, 8192, 16384, 27000, 30030, 32768, 44100, 46656, 65536, 131072, 262144, 279936, 510510, 524288, 810000, 1048576, 1679616, 2097152, 4194304, 5336100 ]
[ "easy", "nonn" ]
A295693
[ 30, 33, 38, 39, 46, 47, 48, 49, 50, 51, 52, 55, 59, 61, 67 ]
[ "nonn", "more" ]
A267406
[ 1, 1, 1, 1, 2, 7, 71, 795, 7664, 61168, 418261, 2525791, 13827686, 70162052, 338544546, 1605713949, 7857197985, 41880484406, 250463596645, 1646316263522, 11316228123469 ]
[ "nonn" ]
A148931
[ 1, 1, 3, 9, 28, 96, 331, 1178, 4277, 15668, 58207, 217827, 820822, 3113057, 11858060, 45369618, 174201971, 670880989, 2590897603, 10028967336, 38902441680, 151185031351, 588509650239, 2294305412573, 8956328591359, 35005542995118, 136969955527081, 536476427847843, 2103186073322950 ]
[ "nonn", "walk" ]
A197189
[ 1, 2, 11, 43, 184, 767, 3221, 13498, 56599, 237287, 994856, 4171003, 17487289, 73316882, 307387091, 1288745683, 5403172504, 22653245927, 94975600301, 398193030538, 1669457093119, 6999336432047, 29345294761736, 123032566445443, 515824173145009, 2162635351662242 ]
[ "nonn", "easy" ]
A326013
[ 1, 8, 300, 87808, 226060880, 5189199673344, 1059339584023000000, 1.9205305089443131e+24, 3.094085551948287e+31, 4.43629285048033e+39, 5.670112877213289e+48, 6.469638800389776e+58 ]
[ "nonn" ]
A290108
[ 0, 1, 3, 0, 6, 2, 2, 1, 4, 7, 6, 3, 1, 3, 1, 0, 0, 5, 0, 6, 0, 7, 3, 2, 0, 0, 7, 2, 6, 0, 2, 1, 0, 1, 0, 4, 4, 1, 6, 7, 3, 1, 3, 6, 6, 2, 3, 3, 1, 1, 3, 1, 4, 6, 5, 3, 6, 7, 3, 1, 3, 3, 3, 0, 3, 1, 2, 0, 4, 1, 1, 5, 6, 5, 7, 0, 0, 7, 4, 6, 0, 2, 7, 0, 6, 2, 1, 7, 3, 7, 2, 3, 5, 2, 2, 2, 1, 0, 2, 0, 3, 2, 4, 0, 3, 5, 0, 7, 4, 4, 6, 2, 2, 7, 0, 6, 1, 2, 2, 0 ]
[ "nonn" ]
A033838
[ 2, 0, 99, 0, 308, 36140, 269458, 391907, 10067135, 0, 0, 0, 1428423394, 0, 32693825124, 0, 797557733967, 11512812322194, 58598336876363, 192937380661240, 1443716084981654, 0, 36185564197761940 ]
[ "nonn", "base" ]
A149676
[ 1, 1, 5, 17, 65, 263, 1099, 4611, 19819, 86035, 376603, 1662343, 7388127, 33010177, 148236927, 668470943, 3026007299, 13743999351, 62608319811, 285986666109, 1309560779337, 6009771380813, 27636815645785, 127330865243225, 587657881935223, 2716533517201397, 12576248494088000, 58302458370749870 ]
[ "nonn", "walk" ]
A049575
[ 2, 3, 5, 7, 11, 101, 17977, 10619863, 6620830889, 80630964769, 228204732751, 1171432692373, 1398341745571, 10963707205259, 15285151248481, 10657331232548840, 790738119649411300, 18987964267331666000, 74878248419470880000, 1.394313503224448e+21 ]
[ "nonn", "nice" ]
A117462
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 4 ]
[ "easy", "nonn", "base" ]
A327057
[ 1, 2, 4, 9, 36, 1572, 3750221 ]
[ "nonn", "more" ]
A324854
[ 1, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 43, 49, 53, 56, 59, 64, 67, 68, 76, 86, 98, 106, 107, 112, 118, 119, 128, 131, 133, 134, 136, 139, 152, 163, 172, 191, 196, 212, 214, 224, 227, 236, 238, 241, 256, 262, 263, 266, 268, 272, 277, 278, 289, 301, 304 ]
[ "nonn" ]
A228941
[ 1, 3, 4, 5, 9, 10, 11, 17, 18, 19, 27, 28, 29, 39, 40, 41, 53, 54, 55, 69, 70, 71, 87, 88, 89, 107, 108, 109 ]
[ "nonn", "cofr", "more" ]
A284410
[ 1, 3, 5, 15, 29, 55, 93, 215, 509, 855, 1533, 4055, 6013, 15703, 22013, 64983, 130941, 259415, 515581, 1013207, 1922941, 3536215, 6159869, 16635351, 24475517, 66573655, 97869309, 257938903, 366999421, 1038046551, 2103303677, 4149695959, 7884601213 ]
[ "nonn", "easy" ]
A084446
[ 1, 4, 10, 23, 47, 88, 158, 270, 443, 706, 1094, 1654, 2450, 3561, 5087, 7159, 9936, 13613, 18437, 24702, 32764, 43060, 56103, 72505, 92999, 118439, 149828, 188346, 235356, 292437, 361424, 444417, 543822, 662405, 803304, 970085, 1166807, 1398040, 1668939 ]
[ "nonn" ]
A283122
[ 15, 31, 60, 63, 90, 124, 120, 127, 195, 186, 180, 252, 210, 248, 360, 255, 270, 403, 300, 378, 480, 372, 360, 508, 465, 434, 600, 504, 450, 744, 480, 511, 720, 558, 720, 819, 570, 620, 840, 762, 630, 992, 660, 756, 1170, 744, 720, 1020, 855, 961 ]
[ "nonn" ]
A227414
[ 1, 1, 7, 247, 37823, 23191071, 54812742655, 494828369491583 ]
[ "nonn", "more" ]
A152049
[ 0, 0, 1, 1, 3, 2, 9, 9, 23, 29, 89, 72, 315, 375, 899, 1031, 3855, 3886, 13797, 12000, 42328, 59989, 178529, 138256, 647969, 859841, 2101143, 2370917, 9204061, 8911060, 34636833, 33556537, 105508927, 168423669, 464635937 ]
[ "nonn", "hard", "more" ]
A332518
[ 1, 1, 3, 3, 4, 1, 4, 4, 5, 1, 5, 4, 6, 1, 6, 4, 7, 1, 7, 4, 8, 1, 8, 4, 9, 4, 10, 1, 9, 6, 5, 5, 6, 6, 7, 5, 7, 6, 8, 5, 8, 6, 9, 7, 7, 8, 7, 9, 8, 8, 9, 9, 10, 3, 5, 9, 11, 1, 10, 5, 10, 6, 10, 7, 10, 8, 10, 9, 12, 3, 6, 11, 3, 7, 11, 4, 11, 5, 11, 6, 12, 4 ]
[ "nonn" ]
A186095
[ 69482992431, 5510351270895, 232998389350277, 6723402580436327, 147158108517530600, 2592687547629453300, 38178484248123480000, 482195323502778700000, 5.324452218998555e+21, 5.217990336725526e+22 ]
[ "nonn" ]
A117465
[ 9, 0, 15, 0, 105, 24, 945, 120, 3465, 360, 9009, 840, 19305, 1680, 36465, 3024, 62985, 5040, 101745, 7920, 156009, 11880, 229425, 17160, 326025, 24024, 450225, 32760, 606825, 43680, 801009, 57120, 1038345, 73440, 1324785, 93024, 1666665, 116280 ]
[ "frac", "nonn", "easy" ]
A084207
[ 1, 1, -2, 8, -34, 158, -768, 3858, -19851, 104023, -552974, 2973832, -16146688, 88376636, -487034106, 2699839758, -15043262970, 84197804254, -473140314356, 2668221663736, -15095165871964, 85645090974518, -487190919969502 ]
[ "sign" ]
A096933
[ 720, 2880, 46080, 25920, 184320, 2949120, 129600, 414720, 11796480, 1658880 ]
[ "dead" ]
A304004
[ 1, 4, 7, 13, 26, 49, 99, 194, 387, 773, 1538, 3081, 6147, 12298, 24587, 49157, 98330, 196609, 393251, 786450, 1572883, 3145797, 6291442, 12583033, 25165827, 50331738, 100663451, 201326533, 402653578, 805306225, 1610613155, 3221225698 ]
[ "nonn" ]
A205802
[ 1, 1, 2, 6, 23, 110, 630, 4200, 31990, 274051, 2608220, 27304530, 311820630, 3857738170, 51397726380, 733698365400, 11171708347799, 180738402744866, 3096027531044102, 55980949167688880, 1065496642477438800, 21293801805033730000, 445818117237228000000 ]
[ "nonn" ]
A129963
[ 5, 67, 262153, 1073741839, 1.888946593147858e+22, 1.4965776766268446e+51, 1.1857109937901178e+80 ]
[ "nonn" ]
A271799
[ 223, 269, 281, 457, 499, 839, 1049, 1289, 1373, 1459, 1543, 1609, 2003, 2011, 2017, 2027, 2029, 2053, 2081, 2087, 2213, 2221, 2237, 2239, 2243, 2267, 2269, 2293, 2297, 2441, 2459, 2609, 2657, 2659, 2693, 2699, 2803, 2833, 2851, 2857, 2879, 2887, 2897, 3449, 3557 ]
[ "nonn", "base" ]
A234785
[ 5085004, 3340355564, 2268967605156, 1560344155530604, 1078605317680077400, 747324517604795100000, 5.18342328616619e+23, 3.596980144444151e+26, 2.4966591410763772e+29 ]
[ "nonn" ]
A007284
[ 0, 1, 3, 8, 10, 11, 13, 18, 30, 31, 33, 38, 80, 81, 83, 88, 100, 101, 103, 108, 110, 111, 113, 118, 130, 131, 133, 138, 180, 181, 183, 188, 300, 301, 303, 308, 310, 311, 313, 318, 330, 331, 333, 338, 380, 381, 383, 388, 800, 801, 803, 808, 810, 811, 813, 818 ]
[ "nonn", "easy", "base" ]
A210371
[ 1, 10, 48, 112, 285, 490, 968, 1448, 2465, 3410, 5280, 6904, 10021, 12610, 17400, 21312, 28321, 33866, 43704, 51336, 64661, 74898, 92416, 105680, 128297, 145234, 173712, 194928, 230333, 256410, 299776 ]
[ "nonn" ]
A138714
[ 3, 8, 2, 9, 3, 9, 2, 9, 3, 9, 5, 6, 0, 1, 5, 6, 3, 4, 6, 4, 7, 1, 3, 9, 8, 5, 8, 2, 4, 6, 3, 7, 7, 3, 5, 0, 8, 8, 6, 8, 3, 5, 8, 1, 0, 4, 7, 0, 0, 0, 6, 0, 6, 8, 5, 0, 7, 7, 0, 7, 8, 7, 3, 8, 8, 3, 5, 1, 8, 7, 7, 4, 1, 4, 6, 4, 6, 5, 8, 6, 0, 5, 6, 8, 2, 4, 9, 3, 2, 8, 9, 6, 3, 6, 2, 7, 7, 5, 3, 8, 5, 3, 8, 5, 7 ]
[ "easy", "nonn", "base" ]
A108530
[ 1, 1, 2, 4, 12, 34, 110, 364, 1248, 4356, 15520, 56022, 204726, 755472, 2812004, 10543718, 39791070, 151022006, 576090250, 2207493080, 8493196536, 32797115398, 127071214442, 493831241234, 1924504466246, 7519182311366, 29447430754182, 115577336981932 ]
[ "nonn", "eigen" ]
A347650
[ 1, 2, 3, 2, 3, 8, 5, 2, 5, 18, 7, 2, 7, 32, 9, 2, 9, 50, 11, 2, 11, 72, 13, 2, 13, 98, 15, 2, 15, 128, 17, 2, 17, 162, 19, 2, 19, 200, 21, 2, 21, 242, 23, 2, 23, 288, 25, 2, 25, 338, 27, 2, 27, 392, 29, 2, 29, 450, 31, 2, 31, 512, 33, 2, 33, 578, 35, 2, 35, 648 ]
[ "nonn" ]
A128349
[ 5, 19, 71, 197, 659, 22079, 61949 ]
[ "hard", "more", "nonn" ]
A051125
[ 1, 2, 2, 3, 2, 3, 4, 3, 3, 4, 5, 4, 3, 4, 5, 6, 5, 4, 4, 5, 6, 7, 6, 5, 4, 5, 6, 7, 8, 7, 6, 5, 5, 6, 7, 8, 9, 8, 7, 6, 5, 6, 7, 8, 9, 10, 9, 8, 7, 6, 6, 7, 8, 9, 10, 11, 10, 9, 8, 7, 6, 7, 8, 9, 10, 11, 12, 11, 10, 9, 8, 7, 7, 8, 9, 10, 11, 12, 13, 12, 11, 10, 9, 8, 7, 8, 9, 10, 11, 12, 13, 14, 13 ]
[ "nonn", "tabl", "easy", "nice" ]
A186449
[ 1, 2, 3, 5, 7, 11, 167, 2609, 6247, 7841 ]
[ "nonn", "more" ]
A217437
[ 2, 1, 2, 1, 5, 3, 12, 9, 19, 16, 38, 20, 59, 42, 104, 65, 213, 111, 400, 245, 765, 439, 1563, 820, 3046, 1731, 5955, 3292, 12078, 6343, 23841, 13090, 47204, 25534, 95140, 50154 ]
[ "nonn", "more" ]
A371428
[ 1, 3, 11, 46, 209, 1003, 5002, 25665, 134605, 718371, 3888633, 21298962, 117823660, 657344600, 3694378463, 20896495211, 118865999117, 679545095167, 3902327585407, 22499738052954, 130200110475407, 755927955655813, 4402088019958400, 25706104810367516 ]
[ "nonn" ]
A320622
[ 545835, 12584310, 230967120, 4020567144, 70085446176, 1251488442768, 23136897546984, 445129521202044, 8967451281890920, 189580735777428830, 4189466666732025300, 96503099183372340000, 2.3121716537169708e+21, 5.75259233793986e+22, 1.4841020637580683e+24 ]
[ "nonn" ]
A173725
[ 1, 2, 4, 8, 12, 20, 29, 42, 54, 82, 97, 131, 169, 207, 249, 331, 372, 459, 551, 647, 745, 911, 1007, 1184, 1374, 1553, 1739, 2049, 2231, 2539, 2867, 3183, 3509, 3999, 4316, 4820, 5340, 5835, 6350, 7104, 7607, 8352, 9132, 9882, 10651, 11724, 12472, 13551 ]
[ "nonn" ]
A361342
[ 139, 148, 149, 167, 179, 187, 188, 189, 196, 197, 216, 217, 218, 226, 236, 238, 246, 247, 249, 256, 258, 261, 262, 263, 266, 269, 271, 276, 279, 283, 287, 288, 292, 294, 324, 329, 334, 337, 338, 339, 341, 342, 347, 349, 354, 362, 364, 368, 369, 372, 374, 376, 381, 382, 383, 386, 391, 392, 396, 399, 413, 416, 417, 423, 427, 428, 431, 436, 442, 443, 446 ]
[ "nonn", "base" ]
A257964
[ 7, 6, 9, 4, 0, 2, 1, 5, 0, 2, 8, 0, 8, 0, 0, 4, 8, 4, 1, 2, 2, 1, 2, 6, 9, 7, 1, 9, 4, 6, 0, 0, 5, 3, 1, 5, 5, 7, 6, 2, 0, 5, 5, 3, 2, 0, 3, 3, 5, 4, 3, 5, 8, 7, 7, 1, 5, 5, 6, 3, 4, 4, 4, 8, 1, 1, 1, 6, 2, 1, 5, 3, 7, 1, 4, 1, 0, 2, 9, 9, 9, 0, 9, 7, 0, 5, 4, 8, 0, 7, 3, 4, 1, 4, 1, 0, 0, 3, 7, 2, 0, 4, 3, 5, 5, 6, 7, 3, 3 ]
[ "nonn", "cons" ]
A360028
[ 1, 1, 1, 16, 1, 11, 1, 11, 30, 30, 79, 17, 44, 28, 12, 30, 150, 144, 252, 304, 20, 300, 132, 12, 252, 234, 18, 112, 32, 456, 52, 520, 60, 28, 120, 180, 162, 2, 52, 324, 42, 130, 20, 60, 100, 92, 132, 126, 186, 184, 104, 12, 104, 320, 8, 12, 20, 320, 104, 16, 32, 208, 404, 240, 300, 60, 408 ]
[ "nonn" ]
A331674
[ 744, 1686, 1921, 2087, 3447, 4097, 6065, 7157, 7864, 8570 ]
[ "nonn", "hard", "more" ]
A230175
[ 63, 530771, 704822331, 1027868078181, 1514677019365483, 2222884630214739500, 3.2749588491150237e+21, 4.822680345112752e+24, 7.098618594645883e+27, 1.0449577732703045e+31 ]
[ "nonn" ]
A064611
[ 1, 2, 8, 11, 12, 174, 212, 524, 1567, 14096, 19795, 38466, 42114, 55575, 338809, 498001, 1175281, 2424880, 3994532, 7908519, 48453784, 696840720, 5497869355, 7479239685 ]
[ "nonn", "more" ]
A231916
[ 11, 179, 239, 431, 5231, 7079, 7211, 13451, 14879, 17939, 26111, 28019, 28499, 30851, 36479, 39779, 40559, 43391, 44699, 45179, 48731, 49919, 50411, 66791, 68111, 74099, 74699, 79151, 79811, 83459, 87299, 96731, 96779, 101399, 102551, 103391, 111959, 116411 ]
[ "nonn" ]
A208842
[ 14, 196, 406, 3010, 8736, 49126, 169974, 833364, 3166030, 14462714, 57750784, 254227806, 1042375166, 4500225380, 18712446886, 79961471506, 334969826464, 1423640395254, 5987342521510, 25373701694964, 106935469300254 ]
[ "nonn" ]
A377728
[ 0, 1, 2, 7, 16, 39, 86, 189, 402, 847, 1760, 3631, 7438, 15165, 30794, 62343, 125904, 253783, 510758, 1026685, 2061730, 4136991, 8295872, 16627167, 33311646, 66716029, 133582106, 267406999, 535206832, 1071049287, 2143127030, 4287918141, 8578528818, 17161414255 ]
[ "nonn", "easy" ]
A177595
[ 1, 10, 238, 10588, 779092, 87126856, 13960372312, 3064747884400, 890409817619536, 332982388081862140 ]
[ "nonn" ]
A235447
[ 9418, 657290, 44920240, 3043145826, 205551169550, 13868068262164, 935263088301396, 63064724124453080, 4252224342324710400, 286706640921161500000, 1.933109935838531e+22, 1.3033900767910466e+24 ]
[ "nonn" ]
A027954
[ 1, 5, 41, 189, 674, 2098, 6050, 16703, 44995, 119575, 315460, 829060, 2174596, 5698329, 14924829, 39081553, 102326310, 267905078, 701397990, 1836299475, 4807512695, 12586252715, 32951261576, 86267550344, 225851410184, 591286703533, 1548008726545, 4052739505253, 10610209821610 ]
[ "nonn" ]
A374474
[ 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0 ]
[ "nonn" ]
A055583
[ 1, 10, 58, 256, 955, 3178, 9740, 28064, 77093, 203930, 523262, 1309520, 3209871, 7731642, 18348240, 42989520, 99612345, 228586890, 520090690, 1174401760, 2634019171, 5872021450, 13019115028, 28722588736, 63082326605 ]
[ "easy", "nonn" ]
A104344
[ 1, 5, 41, 617, 15017, 533417, 25935017, 1651637417, 133333531817, 13301522971817, 1606652445211817, 231049185247771800, 39006837228880410000, 7.639061293780877e+21, 1.7176513140179804e+24, 4.39480788011413e+26, 1.2695302729355859e+29 ]
[ "nonn", "easy" ]
A137786
[ -1, -1, 3, 29, 159, 749, 3303, 14069, 58719, 241949, 988503, 4015109, 16241679, 65506349, 263636103, 1059360149, 4251855039, 17050597949, 68331794103, 273715121189, 1096023794799, 4387584060749, 17560800790503, 70274592610229, 281192530396959, 1125052584678749 ]
[ "sign", "easy" ]
A153276
[ 0, 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 26, 27, 28, 30, 31, 32, 33, 34, 36, 38, 39, 40, 42, 43, 44, 45, 46, 48, 50, 51, 52, 54, 56, 57, 58, 59, 60, 62, 63, 64, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 80, 81, 82, 84, 86, 87, 88, 89, 90 ]
[ "nonn", "easy" ]
A053751
[ 14, 30, 40, 48, 57, 67, 97, 100, 121, 140, 157, 167, 210, 225, 233, 236, 243, 289, 300, 302, 307, 321, 344, 352, 406, 408, 413, 430, 440, 453, 459, 464, 469, 476, 479, 487, 507, 539, 541, 545, 549, 557, 560, 561 ]
[ "nonn", "base" ]
A018325
[ 1, 2, 4, 47, 94, 188 ]
[ "nonn", "fini", "full", "easy" ]
A075982
[ 1, 3, 7, 9, 37, 99, 319, 6559, 7249, 18327, 66663 ]
[ "nonn", "more" ]
A348908
[ 1, 8, 4, 2, 6, 2, 6, 7, 1, 3, 5, 8, 3, 8, 1, 3, 5, 9, 3, 9, 6, 7, 5, 7, 0, 6, 1, 7, 5, 4, 4, 3, 4, 2, 2, 0, 8, 7, 4, 9, 6, 7, 6, 0, 1, 5, 2, 1, 6, 3, 5, 1, 3, 5, 1, 5, 6, 7, 5, 5, 5, 0, 9, 9, 2, 2, 2, 2, 0, 1, 6, 6, 6, 2, 7, 9, 1, 8, 9, 0, 1, 6, 4, 5, 0, 1, 8, 1, 6 ]
[ "nonn", "cons" ]
A014406
[ 0, 0, 0, 0, 0, 1, 1, 1, 3, 4, 4, 7, 7, 8, 13, 14, 14, 20, 20, 22, 29, 31, 31, 39, 41, 43, 52, 55, 55, 68, 68, 70, 81, 84, 88, 103, 103, 106, 119, 125, 125, 143, 143, 147, 167, 171, 171, 190, 192, 200, 218, 223, 223, 246, 252, 258, 278, 283, 283, 313, 313, 318, 343, 349, 356, 385, 385 ]
[ "nonn" ]
A046958
[ 1, 0, 1228, 11264, 73260, 245760, 830944, 1853440, 4670892, 8355840, 17837048, 27874304, 53205728, 75939840, 134305088, 179025920, 299207596, 379944960, 605758444, 740441088, 1141582264, 1347747840, 2022362656, 2329679872, 3403939552, 3842703360, 5509653560 ]
[ "nonn" ]
A368899
[ 1, 2, 33, 19940, 136824, 630772, 30530822 ]
[ "nonn", "more" ]
A287873
[ 0, 1, 2, 1, 3, 0, 2, 2, 4, 0, 3, 3, 6, 0, 4, 4, 8, 3, 1, 4, 5, 9, 4, 1, 5, 6, 11, 3, 2, 5, 7, 12, 4, 2, 6, 8, 14, 5, 2, 7, 9, 16, 4, 3, 7, 10, 17, 5, 3, 8, 11, 19, 6, 3, 9, 12, 21, -1, 5, 4, 9, 13, 22, -2, 6, 4, 10, 14, 24, 0, 5, 5, 10, 15, 25, -1, 6, 5, 11, 16, 27, -2, 7, 5, 12, 17, 29 ]
[ "sign", "tabf" ]
A221682
[ 0, 2, 5, 44, 199, 1182, 6102, 33710, 180382, 980490, 5289023, 28634131, 154747076, 837016897, 4525504274, 24472972752, 132331839901, 715586695597, 3869459738102, 20923925463760, 113144565987295, 611822365490334 ]
[ "nonn" ]
A379220
[ 1, 13, 13, 31, 169, 31, 57, 403, 403, 57, 121, 741, 961, 741, 121, 133, 1573, 1767, 1767, 1573, 133, 183, 1729, 3751, 3249, 3751, 1729, 183, 403, 2379, 4123, 6897, 6897, 4123, 2379, 403, 307, 5239, 5673, 7581, 14641, 7581, 5673, 5239, 307, 381, 3991, 12493, 10431, 16093, 16093, 10431, 12493, 3991, 381, 741, 4953, 9517, 22971, 22143, 17689, 22143, 22971, 9517, 4953, 741 ]
[ "nonn", "tabl" ]
A011410
[ 1, 6, 3, 3, 5, 2, 4, 3, 0, 3, 0, 7, 0, 4, 9, 4, 5, 3, 0, 7, 2, 4, 6, 7, 0, 1, 8, 3, 5, 9, 0, 3, 8, 7, 2, 8, 8, 7, 0, 8, 8, 2, 7, 8, 4, 9, 4, 1, 5, 5, 8, 6, 5, 6, 2, 9, 0, 9, 4, 7, 4, 8, 5, 0, 5, 6, 1, 9, 9, 2, 6, 1, 3, 4, 4, 9, 5, 5, 5, 0, 2, 9, 2, 1, 5, 9, 6, 6, 8, 7, 1, 0, 1, 6, 9, 9, 1, 9, 5 ]
[ "nonn", "cons", "easy" ]
A375068
[ 1, 6, 2, 4, 5, 9, 8, 4, 8, 1, 1, 6, 4, 5, 3, 1, 6, 3, 0, 7, 7, 9, 3, 5, 7, 0, 6, 1, 0, 7, 5, 6, 7, 2, 3, 2, 4, 7, 7, 4, 5, 1, 7, 3, 5, 7, 6, 0, 7, 3, 7, 5, 5, 0, 1, 5, 3, 9, 0, 2, 3, 5, 9, 5, 6, 8, 3, 3, 6, 4, 5, 0, 4, 8, 0, 3, 7, 2, 4, 7, 4, 1, 6, 1, 3, 4, 3, 8, 6, 7 ]
[ "nonn", "cons", "easy" ]
A189927
[ 3, 7, 12, 15, 19, 24, 27, 32, 36, 40, 44, 48, 52, 56, 60, 65, 68, 72, 77, 81, 84, 89, 93, 97, 101, 105, 109, 113, 117, 122, 125, 130, 134, 137, 142, 146, 149, 154, 158, 163, 166, 170, 175, 178, 182, 187, 190, 195, 199, 203, 207, 211, 215, 219, 223, 228 ]
[ "nonn" ]
A294978
[ 1, 42, -2268, 395304, -64600914, 11644170552, -2188350306072, 424652412357696, -84326944950450980, 17044476557469661000, -3.493525880987663e+21, 7.241896088217182e+23, -1.5152857586498835e+26, 3.1955212589107175e+28 ]
[ "sign" ]
A088677
[ 65, 730, 793, 4097, 4160, 4825, 15626, 15689, 16354, 19721, 46657, 46720, 47385, 50752, 62281, 117650, 117713, 118378, 121745, 133274, 164305, 262145, 262208, 262873, 266240, 277769, 308800, 379793, 531442, 531505, 532170, 535537, 547066 ]
[ "nonn" ]
A106735
[ 2, 3, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 23, 24, 26, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 40, 41, 42, 43, 44, 47, 48, 50, 51, 52, 53, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 71, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 86, 88, 89, 90, 91, 92, 93, 95 ]
[ "nonn" ]
A149841
[ 1, 2, 4, 12, 36, 110, 362, 1156, 3858, 13140, 44538, 154572, 533950, 1864942, 6586844, 23228542, 82703466, 294399864, 1052887478, 3788424618, 13629870990, 49277518878, 178247528092, 646510370750, 2353411404768, 8569401009866, 31296013344902, 114356658125070, 418622898126256, 1536077086892826 ]
[ "nonn", "walk" ]
A245135
[ 8, 39, 112, 275, 552, 1029, 1728, 2781, 4200, 6171, 8688, 11999, 16072, 21225, 27392, 34969, 43848, 54511, 66800, 81291, 97768, 116909, 138432, 163125, 190632, 221859, 256368, 295191, 337800, 385361, 437248, 494769, 557192, 625975, 700272, 781699 ]
[ "nonn" ]
A036007
[ 1, 2, 3, 5, 7, 11, 15, 21, 29, 40, 53, 72, 94, 124, 161, 209, 266, 342, 432, 547, 686, 860, 1068, 1329, 1639, 2021, 2478, 3035, 3696, 4501, 5452, 6598, 7954, 9577, 11488, 13769, 16445, 19619, 23341, 27734, 32866, 38907, 45944, 54191, 63784 ]
[ "nonn", "easy" ]
A179116
[ 1, 2, 4, 10, 21, 236, 470, 29736, 60343, 199550, 476302, 4288159410, 8582063896, 3325768085554, 6660540885640, 13325577492746, 34102614679799, 5388161956623255000, 10777089239865231000, 1.0405445064118373e+22 ]
[ "nonn" ]
A188190
[ 2, 3, 4, 7, 8, 11, 12, 15, 16, 19, 20, 21, 24, 25, 28, 29, 32, 33, 36, 37, 38, 41, 42, 45, 46, 49, 50, 53, 54, 55, 58, 59, 62, 63, 66, 67, 70, 71, 72, 75, 76, 79, 80, 83, 84, 87, 88, 91, 92, 93, 96, 97, 100, 101, 104, 105, 108, 109, 110, 113, 114, 117, 118, 121, 122, 125, 126, 127, 130, 131, 134, 135, 138, 139, 142 ]
[ "nonn" ]
A261935
[ 5, 23, 933, 2175, 65849, 152771, 4609041, 10692339, 322567565, 748311503, 22575121053, 52371113415, 1579935906689, 3665229628091, 110572938347721, 256513702853499, 7738525748434325, 17952293970117384, 541586229452055550, 1256404064205364000 ]
[ "nonn", "easy" ]
A199310
[ 8, 36, 176, 876, 4376, 21876, 109376, 546876, 2734376, 13671876, 68359376, 341796876, 1708984376, 8544921876, 42724609376, 213623046876, 1068115234376, 5340576171876, 26702880859376, 133514404296876, 667572021484376 ]
[ "nonn", "easy" ]
A356365
[ 0, 1, 1, 3, 1, 5, 3, 7, 1, 3, 3, 11, 3, 13, 7, 15, 1, 3, 3, 19, 6, 7, 7, 23, 3, 25, 11, 27, 7, 29, 15, 31, 1, 3, 6, 7, 3, 7, 7, 39, 5, 11, 7, 43, 14, 15, 15, 47, 3, 7, 19, 51, 7, 53, 23, 55, 7, 57, 27, 59, 15, 61, 31, 63, 1, 5, 3, 7, 5, 7, 7, 71, 3, 13, 14, 15 ]
[ "nonn", "base" ]
A319182
[ 1, 1, 1, 1, 3, 1, 1, 3, 4, 6, 1, 1, 5, 10, 15, 10, 10, 1, 1, 15, 6, 10, 15, 15, 60, 45, 20, 15, 1, 1, 7, 21, 35, 105, 21, 105, 70, 105, 35, 210, 105, 35, 21, 1, 1, 8, 28, 35, 28, 56, 210, 168, 280, 280, 105, 420, 56, 840, 280, 420, 70, 560, 210, 56, 28, 1, 1 ]
[ "nonn", "tabf" ]
A099741
[ 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21 ]
[ "easy", "nonn" ]
A277275
[ 0, 0, 0, 0, 0, 6, 2, 20, 6, 127, 154 ]
[ "nonn", "more" ]