id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A318939
[ 1, 624, 5232, 17472, 42096, 78624, 146496, 214656, 337008, 472368, 659232, 831168, 1178688, 1371552, 1799808, 2201472, 2696304, 3066336, 3960624, 4280640, 5304096, 6010368, 6969024, 7592832, 9436224, 9828624, 11499936, 12754560, 14481024 ]
[ "nonn" ]
A350225
[ 1, 2, 10, 60, 480, 4320, 46800, 554400, 7459200, 108864000, 1745452800, 30017433600, 558036864000, 11021826816000, 232330146048000, 5173159799808000, 121812482727936000, 3012672515973120000, 78301030421053440000, 2.1275728061504715e+21, 6.043815168712409e+22 ]
[ "nonn" ]
A109796
[ 2, 55, 474, 2093, 6730, 17357, 38748, 77621, 143308, 248037, 407558, 641437, 973380, 1432721, 2052922, 2874563, 3944166, 5314265, 7045924, 9206477, 11874460, 15134597, 19083406, 23826383, 29480190, 36172177, 44039724 ]
[ "nonn" ]
A109913
[ 2, 2, 2, 2, 2, 2, 2, 27, 37, 52, 152, 46162, 28143, 720882657693, 193346248 ]
[ "base", "more", "nonn" ]
A378259
[ 1, 2, 14, 32, 286, 480, 3532, 7520, 75126, 138560, 897876, 1997408, 17039340, 29800896, 233106072, 497063872, 5068814502, 10555899520, 67510782340, 148762640480, 961465207492, 1640373169344, 14064469534248, 31207376374080, 312901302489020, 640840797612416, 4625855789637960, 9196764841428416 ]
[ "sign" ]
A069468
[ 0, 1, 3, 17, 68, 807, 5310, 121536, 2775630, 48782385, 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, 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 ]
[ "base", "nonn" ]
A147771
[ 1, 2, 5, 16, 56, 216, 907, 4096, 19683, 100000, 534146, 2985984, 17403307, 105413504, 661735514, 4294967296, 28761784748, 198359290368, 1406563064942, 10240000000000, 76436817165460, 584318301411328, 4569515072723572 ]
[ "nonn" ]
A229772
[ 5, 135, 21331, 35452250, 843211336888, 322942973130396500, 2.1313840877954588e+24 ]
[ "nonn" ]
A124152
[ 0, 8, 70, 360, 1292, 3640, 8658, 18200, 34840, 61992, 104030, 166408, 255780, 380120, 548842, 772920, 1065008, 1439560, 1912950, 2503592, 3232060, 4121208, 5196290, 6485080, 8017992, 9828200, 11951758, 14427720, 17298260, 20608792, 24408090, 28748408 ]
[ "nonn", "easy" ]
A382482
[ 1, 2, 2, 3, 4, 2, 5, 6, 5, 5, 4, 7, 6, 5, 8, 9, 8, 5, 10, 11, 11, 4, 13, 13, 12, 15, 6, 12, 7, 13, 8, 14, 17, 16, 7, 19, 16, 19, 21, 18, 8, 23, 20, 20, 7, 21, 8, 22, 25, 22, 11, 27, 22, 11, 29, 24, 24, 12, 23, 14, 24, 31, 16, 26, 33, 26, 28, 16, 26, 30, 35, 19, 25, 37, 32, 22, 23 ]
[ "look", "nonn", "easy" ]
A037612
[ 1, 8, 42, 211, 1058, 5292, 26461, 132308, 661542, 3307711, 16538558, 82692792, 413463961, 2067319808, 10336599042, 51682995211, 258414976058, 1292074880292, 6460374401461, 32301872007308, 161509360036542, 807546800182711 ]
[ "nonn", "base", "easy" ]
A116791
[ 1, 2, 6, 21, 72, 220, 590, 1409, 3055, 6118, 11474, 20373, 34542, 56304, 88714, 135713, 202301, 294730, 420718, 589685, 813012, 1104324, 1479798, 1958497, 2562731, 3318446, 4255642, 5408821, 6817466, 8526552, 10587090, 13056705, 16000249, 19490450, 23608598 ]
[ "nonn", "easy" ]
A020376
[ 421, 769, 1409, 1481, 2237, 2609, 2977, 3109, 3194, 3257, 3301, 3517, 4282, 5617, 6154, 6637, 7474, 8573, 8770, 9181, 9685, 9893, 9965, 10042, 10085, 10949, 11674, 12185, 12301, 12473, 12658, 12953, 13061, 13697, 13885, 15025, 15146, 15889, 16042 ]
[ "nonn" ]
A063965
[ 1, 6, 72, 1152, 28800, 4147200, 50803200, 3251404800, 263363788800, 26336378880000, 3186701844480000, 458885065605120000, 77551576087265280000, 1.5200108913103995e+22 ]
[ "nonn" ]
A089573
[ 19, 419, 5419, 35419, 735419, 9735419, 159735419, 14159735419, 114159735419, 60114159735419, 2660114159735419, 282660114159735420, 6282660114159736000, 206282660114159730000, 1.320628266011416e+22 ]
[ "base", "nonn" ]
A005630
[ 0, 0, 0, 0, 0, 0, 4, 10, 34, 96, 284, 782, 2226, 6208, 17560, 49618, 141500, 405104, 1168316, 3386538, 9875232, 28939944, 85235762, 252159572, 749160544, 2234378156, 6688358338, 20088296030, 60524845158, 182893018756 ]
[ "nonn" ]
A313660
[ 1, 5, 10, 14, 21, 26, 31, 34, 38, 47, 52, 57, 58, 62, 73, 78, 83, 82, 86, 99, 104, 109, 106, 110, 125, 130, 135, 130, 134, 151, 156, 161, 154, 158, 177, 182, 187, 178, 182, 203, 208, 213, 202, 206, 229, 234, 239, 226, 230, 255 ]
[ "nonn" ]
A207181
[ 81, 6561, 248525, 9196215, 368714705, 14960137403, 600838995529, 24069606968809, 965286091829121, 38732271412245770, 1553999307045885700, 62342694966576010000, 2.5010320041809753e+21, 1.0033684425183888e+23 ]
[ "nonn" ]
A217915
[ 1, 1, 511, 2375101, 45232115901, 2436684974110751, 299310102746948700000, 7.278695900643439e+25, 3.171297942242863e+31, 2.298225805252829e+37, 2.615471651586288e+43 ]
[ "nonn" ]
A076380
[ 2, 4, 8, 14, 15, 16, 26, 28, 32, 33, 35, 38, 39, 42, 45, 51, 52, 56, 64, 65, 66, 74, 75, 76, 81, 84, 91, 95, 98, 104, 112, 114, 119, 126, 128, 129, 130, 132, 134, 135, 146, 148, 152, 153, 154, 161, 168, 170, 175, 194, 196, 198, 206, 208, 215, 221, 222, 224, 225 ]
[ "nonn", "base" ]
A339183
[ 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 7 ]
[ "nonn", "easy" ]
A331189
[ 5, 1, 6, 1, 6, 4, 2, 1, 8, 4, 8, 6, 8, 7, 1, 7, 5, 9, 6, 0, 7, 5, 1, 2, 5, 6, 2, 9, 5, 3, 2, 2, 0, 3, 5, 5, 7, 1, 8, 9, 4, 0, 5, 6, 9, 3, 9, 0, 8, 4, 9, 5, 8, 5, 0, 7, 8, 5, 0, 0, 8, 2, 3, 2, 8, 8, 4, 8, 9, 0, 5, 3, 4, 2, 6, 1, 2, 6, 3, 4, 3, 3, 7, 2, 2, 8, 5, 3, 6, 8, 4, 4, 0, 6, 4, 6, 4, 8, 3, 1, 4, 8, 7, 9, 7 ]
[ "nonn", "cons" ]
A039741
[ 1, 4, 28, 216, 1790, 15587, 140746, 1305920, 12374069, 119223556, 1164465225, 11502924648, 114721053058, 1153539900783 ]
[ "nonn", "more" ]
A074961
[ 2, 2, 9, 2, 1, 2, 12, 1, 1, 16, 3, 3, 1, 7, 21, 1, 3, 1, 1, 2, 19, 7, 2, 1, 15, 1, 6, 1, 6, 4, 1, 5, 2, 2, 1, 1, 1, 2, 1, 12, 1, 12, 3, 1, 1, 1, 3, 18, 1, 1, 2, 4, 8, 16, 1, 3, 1, 30, 1, 4, 13, 1, 2, 1, 3, 9, 3, 5, 4, 7, 4, 1, 1, 3, 3, 30, 3, 7, 4, 10, 2, 19, 1, 4, 4, 1, 1, 9, 33, 1, 3, 1, 7, 8, 11, 6 ]
[ "nonn", "cofr" ]
A212870
[ 0, 0, 1, 3, 9, 16, 29, 43, 64, 92, 127, 168, 219, 281, 355, 435, 531, 638, 762, 901, 1057, 1230, 1420, 1628, 1858, 2107, 2380, 2674, 2992, 3338, 3707, 4099, 4524, 4976, 5465, 5975, 6516, 7092, 7704, 8348, 9025, 9744, 10495, 11289, 12125, 12994, 13907, 14859 ]
[ "nonn" ]
A190635
[ 4, 280, 3469989, 34317382, 73414350, 178935505 ]
[ "nonn", "more" ]
A379647
[ 1, 2, 6, 12, 84, 60, 120, 420, 2280, 840, 3360, 2520, 5040, 10080, 13860, 21840, 32760, 55440, 65520, 98280, 163800, 196560, 491400, 556920, 360360, 720720, 1670760, 1801800, 1081080, 2162160, 4324320, 5266800, 6126120, 12612600, 10450440, 12252240, 17907120 ]
[ "nonn" ]
A355589
[ 1, 38, 8632, 1991753, 459625866 ]
[ "nonn", "hard", "more" ]
A172385
[ 1, 1, 1, 0, -2, -4, -1, 14, 34, 2, -189, -439, 263, 3796, 6997, -14437, -96643, -106774, 671097, 2800836, 57519, -31088662, -82674287, 155322877, 1455331563, 1936970102, -14267868745, -66446614533, 19215003803, 1037638182571, 2654391633166, -8675836955120, -67833031653088 ]
[ "easy", "sign" ]
A372510
[ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 0, 1, 1, 1, 1, 2, 2, 0, 2, 1, 1, 3, 0, 1, 2, 0, 2, 2, 1, 1, 3, 2, 0, 0, 1, 1, 3, 2, 0, 1, 0, 2, 2, 0, 2, 2, 2, 0, 3, 1, 1, 6, 1, 1, 0, 0, 0, 3, 2, 1, 2, 1, 0, 2, 0, 2, 4, 1, 1, 0, 2, 2, 3, 1, 1, 3, 2, 0, 0, 0, 0, 6, 0, 1, 3, 0, 3, 2, 1 ]
[ "nonn" ]
A352793
[ 1, 2, 6, 3, 12, 15, 5, 10, 14, 7, 21, 24, 33, 11, 22, 18, 26, 13, 39, 30, 34, 17, 51, 42, 35, 20, 45, 40, 55, 44, 77, 28, 63, 56, 91, 52, 65, 60, 57, 19, 38, 46, 23, 69, 48, 75, 66, 50, 54, 58, 29, 87, 78, 62, 31, 93, 84, 111, 37, 74, 70, 82, 41, 123, 96, 105, 80, 85, 68, 119, 102, 86, 43, 129 ]
[ "nonn" ]
A180283
[ 3, 12, 50, 195, 735, 2716, 9912, 35850, 128865, 461175, 1645215, 5855941, 20810153, 73870748, 262029364, 929031504, 3293120337, 11672207262, 41373395052, 146674116501, 520093043437, 1844704839175, 6544970763175, 23229252652125 ]
[ "nonn" ]
A027735
[ 1, 2, 10, 29186 ]
[ "nonn" ]
A051849
[ 1, 2, 4, 3, 6, 9, 21, 4, 8, 12, 16, 32, 36, 56, 156, 5, 10, 15, 20, 25, 45, 50, 55, 80, 85, 115, 260, 265, 295, 475, 1555, 6, 12, 18, 24, 30, 36, 60, 66, 72, 78, 108, 114, 120, 156, 162, 204, 402, 408, 414, 450, 456, 498, 744, 750, 792, 1086, 2802, 2808, 2850, 3144 ]
[ "easy", "nonn", "tabf", "base" ]
A152858
[ 2, 2, 4, 2, 4, 3, 8, 2, 4, 2, 1, 7, 5, 7, 5, 4, 3, 9, 4, 7, 7, 5, 6, 2, 3, 3, 8, 4, 0, 3, 4, 8, 0, 4, 7, 0, 8, 9, 7, 9, 1, 2, 8, 8, 2, 4, 4, 2, 2, 2, 2, 0, 0, 9, 7, 2, 5, 7, 6, 1, 7, 1, 1, 0, 6, 5, 1, 1, 4, 5, 3, 0, 0, 0, 6, 4, 0, 1, 4, 2, 3, 9, 1, 7, 5, 7, 9, 4, 7, 6, 9, 3, 0, 7, 0, 3, 8, 6, 5 ]
[ "nonn", "cons" ]
A246532
[ 2, 10, 200, 6, 54, 100, 216, 4199040, 81312000 ]
[ "sign", "more", "hard" ]
A086150
[ 1, 0, 0, 1, 0, 1, 0, 1, 1, 2, 0, 2, 0, 1, 2, 1, 0, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 1, 1, 0, 1, 1, 1, 1, 2, 0, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 1, 1, 2, 2, 1, 0, 2, 0, 1, 2, 1, 1, 2, 0, 2, 2, 2, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 0, 1, 1, 3, 1, 6, 3, 4, 6 ]
[ "base", "nonn" ]
A279087
[ 2, 15, 108, 694, 8415, 123759, 2178351, 44319300, 1023458769, 26432625775, 754777811227, 23609224082118, 802772380675044, 29480883459072070, 1162849439785537500, 49030176097152070000, 2.2006187693870751e+21, 1.0475319694525086e+23, 5.271200265927977e+24 ]
[ "nonn", "base" ]
A372224
[ 0, 1, 2, 4, 6, 8, 12, 14, 17 ]
[ "nonn", "hard", "more" ]
A382140
[ 6, 18, 50, 154, 536 ]
[ "nonn", "more" ]
A161836
[ 0, 0, 0, 0, 3, 3, 3, 3, 9, 15 ]
[ "more", "nonn" ]
A172910
[ 0, 44, 22119391, 649096595660632, 4.963953386913261e+23, 6.287689969637354e+33, 9.361261904400402e+44 ]
[ "nonn" ]
A068389
[ 0, 1, -1, 3, -2, -1, 5, -5, 1, 8, -6, -3, 11, -10, -1, 15, -10, 12, -17, 21, -18, -2, 26, 2, -29, 9, 26, 4, 2, -41, 1, 10, 34, -40, 46, -48, 54, 2, -59, 65, -50, 54, 2, 6, -76, 16, 64, 6, -87, 95, 4, 2, 4, 2, -86, 90, -102, -6, 122, -125, 5, 124, 6, 2, -136 ]
[ "sign" ]
A062074
[ 0, 3, 72, 729, 5184, 30375, 157464, 750141, 3359232, 14348907, 59049000, 235782657, 918330048, 3502727631, 13124466936, 48427561125, 176319369216, 634465620819, 2259436291848, 7971951402153, 27894275208000, 96873331012983, 334145522716632, 1145440056788109, 3904305912313344 ]
[ "easy", "nonn" ]
A258140
[ 0, 0, 1, 1, 1, 2, 2, 1, 1, 3, 3, 3, 0, 2, 2, 3, 2, 1, 2, 2, 3, 3, 2, 2, 2, 3, 3, 2, 0, 4, 4, 5, 1, 4, 4, 2, 2, 2, 3, 3, 3, 5, 1, 3, 3, 4, 4, 1, 2, 3, 4, 3, 1, 5, 4, 5, 1, 1, 3, 4, 6, 4, 2, 3, 2, 6, 7, 3, 2, 2, 3, 5, 3, 4, 4, 4, 5, 2, 5, 2, 4, 6, 1, 5, 2, 5, 5, 2, 3, 3, 4, 4, 2, 4, 5, 6, 3, 2, 4, 5, 6 ]
[ "nonn" ]
A379200
[ 1, 2, 1, 4, 4, 2, 8, 13, 12, 5, 18, 40, 52, 40, 14, 52, 130, 204, 215, 140, 42, 184, 472, 813, 1004, 896, 504, 132, 688, 1863, 3430, 4588, 4816, 3738, 1848, 429, 2512, 7536, 15016, 21472, 24540, 22656, 15576, 6864, 1430, 8866, 30144, 65880, 102177, 124830, 126801, 104940, 64779, 25740, 4862, 30824, 118420, 284305, 483300, 636750, 693528, 638825, 479908, 268840, 97240, 16796 ]
[ "nonn", "tabl" ]
A335290
[ 6, 28, 350, 490, 496, 770, 910, 1190, 1330, 1610, 2030, 2170, 2590, 2870, 3010, 3290, 3710, 4130, 4270, 4690, 4970, 5110, 5530, 5810, 6230, 6790, 7070, 7210, 7490, 7630, 7910, 8128, 8890, 9170, 9196, 9590, 9730, 15884, 19228, 24244, 25916, 30932, 34276, 35948 ]
[ "nonn" ]
A226785
[ 0, 1, 1, 3, 3, 1, 0, 7, 4, 3, 8, 7, 2, 0, 13, 7, 5, 13, 11, 3, 0, 19, 10, 7, 18, 15, 4, 0, 25, 13, 9, 23, 19, 5, 0, 31, 16, 11, 28, 23, 6, 0, 37, 19, 13, 33, 27, 7, 0, 43, 22, 15, 38, 31, 8, 0, 49, 25, 17, 43, 35, 9, 0 ]
[ "nonn", "easy" ]
A324850
[ 1, 2, 4, 6, 8, 12, 16, 24, 28, 30, 32, 36, 48, 56, 60, 64, 72, 96, 112, 120, 128, 144, 152, 156, 168, 180, 192, 216, 224, 240, 256, 288, 304, 312, 330, 336, 360, 384, 432, 448, 476, 480, 512, 576, 608, 624, 660, 672, 720, 768, 784, 828, 840, 848, 864, 888, 896 ]
[ "nonn" ]
A161565
[ 1, 1, 5, 37, 417, 6201, 115393, 2583141, 67643201, 2029868785, 68699859201, 2589393498429, 107580709769569, 4885086832499433, 240716442970201400, 12793428673619227000, 729511897042502800000, 4.44276144158775e+22 ]
[ "nonn" ]
A092439
[ 0, 0, 6, 30, 140, 560, 2058, 7098, 23472, 75372, 237182, 735878, 2260596, 6896136, 20933778, 63325170, 191089112, 575626052, 1731858246, 5206059774, 15640198620, 46966732320, 140996664986, 423191320490, 1269993390720 ]
[ "easy", "nonn" ]
A219189
[ 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn" ]
A288881
[ 271, 523, 1123, 24344563, 96342643, 608608243, 5577337931669504000, 52580450364682240000, 262134882788466700000, 1.3106744139423335e+22, 6.946574393894367e+23, 7.368624314106569e+24, 1.2931890526958092e+46 ]
[ "nonn" ]
A011820
[ 2, 6, 32, 203, 1144, 5345, 20926, 70506, 209746, 562727, 1384758, 3167606, 6807620, 13863904, 26941700, 50245591, 90358146, 157312324, 266040452, 438299013, 705186944, 1110395771, 1714352818, 2599444040, 3876530866 ]
[ "nonn", "easy" ]
A131828
[ 1, 6, 4, 14, 5, 9, 25, 7, 7, 16, 39, 9, 9, 9, 25, 56, 11, 11, 11, 11, 36, 76, 13, 13, 13, 13, 13, 49, 99, 15, 15, 15, 15, 15, 15, 64, 125, 17, 17, 17, 17, 17, 17, 17, 81, 154, 19, 19, 19, 19, 19, 19, 19, 19, 100 ]
[ "nonn", "tabl" ]
A124000
[ 6, 10, 15, 21, 35, 55, 91, 253, 703, 1081, 1711, 1891, 2701, 3403, 5671, 12403, 13861, 15931, 18721, 25651, 34453, 38503, 49141, 60031, 64261, 73153, 79003, 88831, 104653, 108811, 114481, 126253, 146611, 158203, 171991, 188191, 218791, 226801 ]
[ "nonn" ]
A088171
[ 121, 1111, 11011, 12221, 110011, 121121, 1100011, 1112111, 1197801, 1208911, 1210121, 1211111, 1222221, 11000011, 11111111, 11988801, 12098911, 12100121, 12101111, 12211221, 110000011, 110121011, 111089011, 111101111, 111111011 ]
[ "nonn", "base" ]
A197379
[ 1, 7, 5, 6, 9, 7, 7, 1, 2, 3, 8, 6, 5, 4, 8, 3, 8, 9, 2, 5, 0, 7, 8, 1, 8, 5, 0, 4, 0, 0, 4, 1, 4, 5, 3, 4, 5, 3, 1, 3, 5, 2, 3, 5, 1, 9, 3, 7, 1, 9, 4, 6, 1, 8, 0, 9, 8, 7, 0, 4, 5, 4, 7, 1, 2, 5, 4, 7, 9, 8, 0, 0, 8, 0, 5, 3, 6, 4, 1, 5, 3, 9, 8, 7, 4, 6, 0, 9, 6, 0, 5, 0, 8, 6, 2, 5, 6, 4, 3 ]
[ "nonn", "cons" ]
A012079
[ 1, -1, -11, -301, -16631, -1620601, -250557251, -56629836901, -17602836565871, -7193368568377201, -3735581618747946500, -2.4013106093112935e+21, -1.871136400199563e+24 ]
[ "sign" ]
A220770
[ 1, 3, 9, 20, 49, 115, 343, 850, 2401, 6698, 18677, 52383, 148417, 418280, 1184717, 3357537, 9518235, 27001128, 76637532, 217530615, 617624137, 1753811531, 4980521844, 14144892243, 40174244540, 114105904403, 324101321331, 920579535645, 2614852152957 ]
[ "nonn" ]
A271038
[ 258, 12010, 256020, 3441072, 33505396, 255757328, 1610555756, 8669119882, 40937078274, 172973004078, 664139482668, 2345904959628, 7699860067962, 23679297338148, 68702482342180, 189162014324890, 496732138963680 ]
[ "nonn" ]
A379440
[ 1, 2, 4, 6, 9, 3, 18, 12, 8, 16, 24, 20, 14, 44, 10, 25, 5, 50, 15, 63, 27, 45, 21, 49, 7, 98, 28, 22, 52, 30, 36, 26, 60, 34, 76, 40, 48, 32, 64, 96, 80, 56, 68, 38, 84, 46, 116, 42, 92, 58, 124, 66, 117, 33, 90, 39, 99, 51, 126, 57, 153, 54, 81, 135, 162, 108, 62, 132, 70, 75, 35, 147, 77, 121, 11, 242, 55, 150, 65, 169, 13, 338, 91, 245, 119, 289, 17 ]
[ "nonn", "look" ]
A122718
[ 353, 1999, 14759, 115601, 40351559, 558545864083282000, 4.456764032636319e+34, 8.81247870897232e+43, 1.0367793076318844e+49 ]
[ "nonn" ]
A191068
[ 2, 19, 23, 31, 37, 41, 43, 53, 59, 61, 67, 89, 101, 107, 113, 127, 131, 137, 139, 163, 181, 193, 197, 199, 229, 233, 241, 251, 263, 269, 271, 277, 311, 317, 337, 347, 349, 373, 409, 419, 439, 443, 457, 461, 463, 479, 487, 509, 521, 547, 557, 601, 613, 617 ]
[ "nonn", "easy" ]
A158596
[ 37, 151, 341, 607, 949, 1367, 1861, 2431, 3077, 3799, 4597, 5471, 6421, 7447, 8549, 9727, 10981, 12311, 13717, 15199, 16757, 18391, 20101, 21887, 23749, 25687, 27701, 29791, 31957, 34199, 36517, 38911, 41381, 43927, 46549, 49247, 52021, 54871, 57797, 60799, 63877 ]
[ "nonn", "easy" ]
A389005
[ 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 11, 8, 11, 22, 0, 9, 33, 1, 0, 44, 0, 2, 33, 1, 3, 44, 0, 5, 33, 1, 6, 44, 0, 8, 55, 1, 0, 66, 0, 2, 55, 1, 3, 66, 0, 5, 55, 1, 6, 66, 0, 8, 77, 1, 0, 88, 0, 2, 77, 1, 3 ]
[ "nonn", "base" ]
A126667
[ 2, 4, 5, 23, 26, 130, 69, 415, 475, 949 ]
[ "dead" ]
A136574
[ 1, 1, 2, 7, 30, 149, 868, 5907, 46226, 409105, 4037904, 43954703, 522956302, 6749977101, 93928268300, 1401602636299, 22324392524298, 378011820620297, 6780385526348296, 128425485935180290, 2561327494111820300 ]
[ "nonn" ]
A132344
[ 0, 1, 4, 6, 16, 20, 48, 56, 128, 144, 320, 352, 768, 832, 1792, 1920, 4096, 4352, 9216, 9728, 20480, 21504, 45056, 47104, 98304, 102400, 212992, 221184, 458752, 475136, 983040, 1015808, 2097152, 2162688, 4456448, 4587520, 9437184, 9699328, 19922944, 20447232, 41943040, 42991616 ]
[ "nonn", "easy" ]
A254305
[ 4351908, 57873415, 375506912, 668843106, 3675487170, 8957909107, 33988604549, 148049420699, 526744119301, 2240882621222, 9450894004634, 40727286045536, 180410729864614, 828697504037197, 3816499302562757, 18039375898446636 ]
[ "nonn" ]
A000313
[ 0, 0, 0, 1, 4, 30, 220, 1855, 17304, 177996, 2002440, 24474285, 323060540, 4581585866, 69487385604, 1122488536715, 19242660629360, 348933579412440, 6673354706262864, 134252194678935330, 2834212998777523000, 62651024183503150000, 1.4472386586389226e+21 ]
[ "nonn", "easy" ]
A048920
[ 1, 104, 14725, 2090804, 296879401, 42154784096, 5985682462189, 849924754846700, 120683329505769170, 17136182865064374000, 2.433217283509636e+21, 3.454997180755032e+23, 4.905852674943794e+25, 6.965965298702113e+27, 9.891180138889506e+29 ]
[ "nonn", "easy" ]
A352767
[ 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 4, 10 ]
[ "nonn", "more" ]
A065408
[ 16, 25, 49, 256, 289, 625, 676, 784, 841, 1024, 1156, 1369, 1444, 1600, 1936, 2209, 2401, 2500, 2704, 2809, 3136, 3721, 3844, 4096, 4225, 4900, 5329, 6241, 6724, 6889, 7921, 8281, 9604, 11236, 11449, 11881, 13225, 13456, 13924, 14161, 15625, 16129 ]
[ "base", "easy", "nonn" ]
A135962
[ 1, 1, 3, 4, 15, 56, 84, 330, 495, 2002, 8008, 12376, 50388, 203490, 319770, 1307504, 2042975, 8436285, 34597290, 54627300, 225792840, 354817320, 1476337800, 6107086800, 9669554100, 40225345056, 166509721602, 265182149218 ]
[ "nonn" ]
A347649
[ 1, 1, 2, 3, 3, 4, 5, 6, 6, 7, 7, 8, 9, 11, 11, 13, 13, 16, 15, 17, 17, 20, 20, 23, 22, 25, 25, 28, 27, 30, 30, 33, 32, 37, 37, 41, 41, 45, 44, 50, 47, 54, 53, 60, 57, 64, 63, 68, 65, 72, 71, 76, 71, 80, 80, 86, 78, 89, 90, 98, 89, 98, 99, 109, 99, 110 ]
[ "nonn" ]
A162263
[ 9, 29, 66, 126, 215, 339, 504, 716, 981, 1305, 1694, 2154, 2691, 3311, 4020, 4824, 5729, 6741, 7866, 9110, 10479, 11979, 13616, 15396, 17325, 19409, 21654, 24066, 26651, 29415, 32364, 35504, 38841, 42381, 46130, 50094, 54279, 58691, 63336, 68220, 73349, 78729 ]
[ "nonn", "easy" ]
A112410
[ 0, 0, 0, 1, 5, 17, 56, 182, 573, 1792, 5533, 16977, 51652, 156291, 470069, 1407264, 4193977, 12451760, 36838994, 108656009, 319583578, 937634011, 2744720126, 8018165821, 23379886511, 68056985580, 197800670948, 574068309840, 1663907364480, 4816910618093, 13929036720057 ]
[ "nonn" ]
A117358
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 3, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 3, 1, 7, 1, 1, 1, 5, 1, 1, 1, 8, 1, 1, 1, 1, 1, 1, 1, 9, 1, 1, 1, 1, 1, 1, 1, 10, 3, 1, 1, 7, 1, 1, 1, 11, 1, 5, 1, 1, 1, 1, 1, 12, 1, 1, 1, 5, 1, 1, 1 ]
[ "nonn" ]
A044786
[ 73, 173, 273, 373, 473, 573, 673, 739, 773, 873, 973, 1073, 1173, 1273, 1373, 1473, 1573, 1673, 1739, 1773, 1873, 1973, 2073, 2173, 2273, 2373, 2473, 2573, 2673, 2739, 2773, 2873, 2973, 3073, 3173, 3273, 3373, 3473, 3573 ]
[ "nonn", "base" ]
A062660
[ 3, 79, 1367, 2741, 10937, 17599 ]
[ "nonn", "hard", "more" ]
A348499
[ 1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 26, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 46, 47, 51, 53, 55, 57, 58, 59, 61, 62, 65, 66, 67, 69, 70, 71, 72, 73, 74, 77, 78, 79, 82, 83, 85, 86, 87, 89, 91, 93, 94, 95, 97, 101, 102, 103, 105, 106, 107, 109, 110, 111, 113, 114, 115, 118, 119 ]
[ "nonn" ]
A286346
[ 1, -24, 264, -1760, 7944, -25872, 64416, -133056, 253704, -472760, 825264, -1297056, 1938336, -2963664, 4437312, -6091584, 8118024, -11368368, 15653352, -19822176, 24832944, -32826112, 42517728, -51425088, 61903776, -78146664, 98021616, -115331264, 133522752 ]
[ "sign" ]
A024997
[ 2, 8, 20, 58, 162, 462, 1318, 3782, 10886, 31436, 91016, 264134, 768094, 2237640, 6529284, 19079574, 55826166, 163538472, 479588844, 1407813438, 4136307798, 12163015662, 35793391662, 105407889930, 310620540202, 915913267652, 2702265079208 ]
[ "nonn" ]
A302089
[ 139, 15629, 1937102449 ]
[ "nonn" ]
A361557
[ 1, 1, 4, 20, 127, 977, 8789, 90267, 1040260, 13275258, 185653535, 2821321725, 46265262553, 813871304989, 15281792484768, 304949014412540, 6442741397501699, 143633948442619760, 3369004776395734000, 82919378806522130000, 2.1364257654948058e+21 ]
[ "nonn" ]
A013269
[ 1, 0, 0, 0, -3, 10, -100, 693, -5383, 47052, -404934, 3834435, -36703359, 357872502, -3463205876, 30476792955, -198853998991, -654085861096, 67344661591926, -2023504421641677, 49767870277602056 ]
[ "sign" ]
A278475
[ 1, 29, 841, 24417, 708933, 20583473, 597629649, 17351843293, 503801085145, 14627583312497, 424703717147557, 12331035380591648, 358024729754305400, 10395048198255448000, 301814422479162300000, 8.763013300093962e+21, 2.5442920012520406e+23, 7.387209816931011e+24 ]
[ "nonn", "easy" ]
A169027
[ 1, 14, 182, 2366, 30758, 399854, 5198102, 67575326, 878479238, 11420230094, 148462991222, 1930018885886, 25090245516518, 326173191714734, 4240251492291542, 55123269399790050, 716602502197270700 ]
[ "nonn" ]
A321228
[ 1, 1, 1, 2, 4, 6, 13, 23, 49, 100, 220 ]
[ "nonn", "more" ]
A194369
[ 1, 2, 6, 7, 8, 12, 13, 14, 35, 36, 37, 41, 42, 43, 47, 48, 49, 70, 71, 72, 76, 77, 78, 82, 83, 84, 204, 205, 206, 210, 211, 212, 216, 217, 218, 239, 240, 241, 245, 246, 247, 251, 252, 253, 274, 275, 276, 280, 281, 282, 286 ]
[ "nonn" ]
A146475
[ 1, 1, 1, 1, 1, 1, 9, 15, 35, 57, 245, 579, 3057, 8465, 49975, 173815, 1305505, 5674409, 52338659, 276967501, 3125019047, 20455456921, 286529633207, 2318729204115 ]
[ "nonn" ]
A279410
[ 35, 38, 46, 65, 76, 83, 85, 318, 335, 348, 359, 380, 383, 393, 400, 415, 419, 432, 436, 441, 457, 469, 500, 511, 526, 527, 585, 586, 599, 600, 611, 620, 636, 648, 654, 665, 688, 692, 696, 700, 711, 718, 728, 752, 755, 771, 781, 786, 793, 800, 809, 811, 826, 828, 832, 834, 836, 838, 857, 866, 880, 900, 908, 911, 922, 928, 944, 951, 958, 995 ]
[ "nonn", "base" ]
A021461
[ 0, 0, 2, 1, 8, 8, 1, 8, 3, 8, 0, 7, 4, 3, 9, 8, 2, 4, 9, 4, 5, 2, 9, 5, 4, 0, 4, 8, 1, 4, 0, 0, 4, 3, 7, 6, 3, 6, 7, 6, 1, 4, 8, 7, 9, 6, 4, 9, 8, 9, 0, 5, 9, 0, 8, 0, 9, 6, 2, 8, 0, 0, 8, 7, 5, 2, 7, 3, 5, 2, 2, 9, 7, 5, 9, 2, 9, 9, 7, 8, 1, 1, 8, 1, 6, 1, 9, 2, 5, 6, 0, 1, 7, 5, 0, 5, 4, 7, 0 ]
[ "nonn", "cons", "easy" ]
A109227
[ 1, 11, 1101, 110101, 1101010001, 110101000101, 1101010001010001, 110101000101000100, 1.101010001010001e+21, 1.101010001010001e+27, 1.101010001010001e+29, 1.101010001010001e+35 ]
[ "base", "easy", "nonn" ]
A365886
[ 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 81, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 240, 243, 248, 256, 264, 272, 280, 288, 296, 304, 312, 320, 328, 336, 344, 352, 360, 368, 376, 384, 392, 400, 405, 408, 416 ]
[ "nonn", "easy" ]
A092411
[ 6, 15, 31, 47, 76, 100, 135, 176, 221, 252, 332, 380, 420, 510, 601, 631, 745, 817, 908, 1046, 1110, 1140, 1380, 1501, 1501, 1670, 1870, 1892, 2142, 2262, 2327, 2585, 2670, 2750, 3211, 3281, 3180, 3510, 3910, 3892, 4182, 4350, 4412, 4928, 5016, 4860, 5620 ]
[ "nonn" ]
A145651
[ 83, 271, 1553, 2693, 5051, 10651, 23333, 34123, 219389, 230933, 312007, 338017, 395309, 512891, 699437, 763999, 815257, 1078127, 1208791, 1417019, 1577561, 1629083, 2420609, 2787947, 2868787, 2944429, 3038639, 3222101, 3868201 ]
[ "nonn" ]
A210624
[ 5, 7, 7, 2, 1, 5, 2, 0, 9, 5, 0, 1, 1, 4, 3, 4, 6, 4, 0, 1, 2, 4, 2, 7, 9, 1, 9, 4, 6, 1, 6, 1, 8, 4, 8, 4, 5, 4, 2, 8, 5, 3, 9, 5, 3, 3, 9, 1, 2, 1, 5, 9, 7, 4, 0, 3, 8, 5, 8, 4, 5, 4, 4, 5, 6, 0, 7, 6, 6, 0, 3, 9, 7, 1, 4, 7, 3, 0, 9, 9, 8, 1, 2, 5, 0, 2, 2, 9, 3, 7, 6, 7, 3, 7, 4, 1, 9, 3, 3 ]
[ "nonn", "cons" ]
A314003
[ 1, 5, 11, 15, 17, 20, 27, 33, 39, 45, 50, 51, 49, 57, 67, 78, 83, 85, 87, 81, 88, 99, 116, 121, 120, 117, 117, 121, 129, 142, 155, 159, 157, 147, 156, 163, 178, 185, 192, 191, 187, 187, 197, 206, 217, 223, 229, 221, 226, 229 ]
[ "nonn" ]