id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A098158
[ 1, 0, 1, 0, 1, 1, 0, 0, 3, 1, 0, 0, 1, 6, 1, 0, 0, 0, 5, 10, 1, 0, 0, 0, 1, 15, 15, 1, 0, 0, 0, 0, 7, 35, 21, 1, 0, 0, 0, 0, 1, 28, 70, 28, 1, 0, 0, 0, 0, 0, 9, 84, 126, 36, 1, 0, 0, 0, 0, 0, 1, 45, 210, 210, 45, 1, 0, 0, 0, 0, 0, 0, 11, 165, 462, 330, 55, 1, 0, 0, 0, 0, 0, 0, 1, 66, 495, 924 ]
[ "easy", "nonn", "tabl" ]
A384871
[ 9, 2, 4, 1, 8, 0, 8, 2, 8, 6, 4, 5, 7, 8, 9, 5, 2, 0, 0, 8, 5, 2, 4, 4, 5, 1, 4, 3, 1, 9, 0, 1, 5, 8, 8, 2, 3, 8, 3, 4, 6, 2, 1, 5, 8, 2, 5, 2, 4, 0, 1, 1, 9, 2, 5, 5, 6, 4, 3, 6, 9, 2, 6, 1, 2, 7, 1, 9, 1, 8, 5, 9, 5, 0, 7, 8, 7, 6, 0, 2, 0, 7, 1, 1, 3, 3, 6, 3, 3, 5 ]
[ "nonn", "cons", "easy" ]
A178194
[ 1, 2, 31, 5, 29, 7, 21, 13, 13684967, 10, 23, 14, 15, 538, 19, 42, 17, 35, 25, 49, 16861, 60, 55, 26, 1157, 38, 511, 54, 30197665, 106, 14691, 46, 155, 37, 18791, 62, 369, 164, 145, 93, 63517, 92, 115, 1046, 3113077, 58, 1376107, 1042, 105, 50, 221 ]
[ "nonn" ]
A201930
[ 3, 4, 1, 0, 1, 4, 6, 8, 4, 4, 9, 4, 5, 6, 2, 9, 4, 9, 2, 2, 8, 6, 4, 8, 0, 6, 3, 6, 5, 3, 0, 2, 2, 6, 0, 6, 6, 2, 5, 2, 5, 3, 7, 8, 6, 7, 5, 2, 9, 8, 6, 1, 1, 6, 1, 3, 1, 4, 9, 0, 9, 4, 7, 4, 9, 5, 1, 4, 5, 3, 9, 8, 1, 4, 0, 1, 7, 1, 0, 0, 4, 5, 7, 2, 1, 2, 0, 7, 0, 5, 3, 8, 2, 1, 6, 3, 0, 6, 0 ]
[ "nonn", "cons" ]
A347852
[ 933, 2719, 25782, 298074, 684607, 3152985, 3615775, 4062023, 9213717, 17131290, 18003995, 19350016, 23725387, 30570595, 34125949, 39157518, 61083539, 67660632, 83438975, 94515652, 117202015, 119103567, 126310893, 127678285, 144003855, 189879059, 197614054, 240073574 ]
[ "nonn" ]
A142804
[ 67, 311, 433, 677, 1409, 1531, 2141, 3361, 3727, 4093, 4337, 4703, 5557, 5801, 5923, 6899, 7753, 8363, 9461, 9949, 10193, 10559, 11047, 11657, 11779, 12511, 13121, 13487, 14341, 14951, 15073, 15439, 15683, 16903, 18367, 19709, 20441, 20563, 20807, 20929 ]
[ "nonn", "easy" ]
A010673
[ 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0 ]
[ "nonn", "easy" ]
A008602
[ 0, 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 340, 360, 380, 400, 420, 440, 460, 480, 500, 520, 540, 560, 580, 600, 620, 640, 660, 680, 700, 720, 740, 760, 780, 800, 820, 840, 860, 880, 900, 920, 940, 960, 980, 1000 ]
[ "nonn", "easy" ]
A059303
[ 0, 1, 5, 7, 10, 105, 22959, 34888 ]
[ "nonn", "more" ]
A170861
[ 1, 0, 2, 6, 2, 6, 22, 18, 2, 6, 22, 18, 22, 78, 98, 42, 2, 6, 22, 18, 22, 78, 98, 42, 22, 78, 98, 102, 278, 450, 322, 90, 2, 6, 22, 18, 22, 78, 98, 42, 22, 78, 98, 102, 278, 450, 322, 90, 22, 78, 98, 102, 278, 450, 322, 150, 278, 450, 502, 1038, 1906, 1866, 914, 186, 2, 6, 22, 18 ]
[ "nonn" ]
A285833
[ 1, 11, 110, 1111, 1100, 111111, 11000, 11111111, 11110000, 1111111111, 1111100000, 111111111111, 111111000000, 11111111111111, 11111110000000, 1111111111111111, 1111111100000000, 111111111111111100, 111111111000000000, 11111111111111110000 ]
[ "nonn", "easy" ]
A318332
[ 5, 2, 2, 4, 8, 7, 1, 1, 0, 5, 8, 8, 1, 7, 0, 5, 0, 6, 4, 2, 2, 1, 2, 7, 6, 8, 1, 6, 2, 3, 6, 2, 0, 6, 3, 8, 8, 0, 8, 8, 7, 4, 1, 3, 8, 1, 7, 5, 1, 6, 3, 0, 9, 2, 0, 3, 4, 9, 0, 4, 8, 6, 7, 8, 5, 3, 0, 9, 0, 1, 2, 1, 2, 6, 3, 9, 9, 5, 8, 8, 1, 9, 2, 1, 1, 4, 3, 7, 1, 2, 8 ]
[ "nonn", "base" ]
A116816
[ 1, 2, 6, 21, 75, 260, 869, 2817, 8920, 27745, 85113, 258256, 776717, 2319093, 6882432, 20321017, 59738793, 174960544, 510756501, 1486819229, 4317417984, 12509488161, 36175413601, 104433440896, 301022300573, 866485007957 ]
[ "nonn", "easy" ]
A122678
[ 1, 6, 21, 61, 166, 441, 1161, 3046, 7981, 20901, 54726, 143281, 375121, 982086, 2571141, 6731341, 17622886, 46137321, 120789081, 316229926, 827900701, 2167472181, 5674515846, 14856075361, 38893710241, 101825055366, 266581455861, 697919312221, 1827176480806 ]
[ "nonn", "easy" ]
A328740
[ 0, 0, 0, 1, 5, 13, 43, 116, 335, 920, 2591, 7173, 20125, 56260, 158333, 446098, 1262225, 3579227, 10181479, 29028405, 82968695, 237634700, 682014587, 1960951980, 5647919640, 16292680600, 47069103545, 136166476875, 394418199725, 1143821408316, 3320790074371 ]
[ "nonn" ]
A231964
[ 246, 288, 290, 304, 322, 324, 406, 472, 516, 518, 624, 626, 668, 748, 766, 782, 802, 892, 894, 896, 934, 964, 1044, 1078, 1146, 1148, 1160, 1246, 1254, 1256, 1312, 1314, 1316, 1346, 1404, 1418, 1420, 1506, 1508, 1680, 1716, 1774, 1820, 1838, 1840, 1842, 1894 ]
[ "nonn" ]
A264514
[ 1, 3, 12, 46, 177, 684, 2640, 10180, 39249, 151326, 583444, 2249491, 8673001, 33439105, 128925825, 497078745, 1916507251, 7389171396, 28489249854, 109841457681, 423498192724, 1632814449360, 6295382298780, 24272101648369 ]
[ "nonn" ]
A207495
[ 6, 36, 102, 297, 932, 2974, 9723, 32164, 107568, 362291, 1226924, 4170948, 14218841, 48567776, 166128066, 568812225, 1948947544, 6681079858, 22911053867, 78586955264, 269607037796, 925049643523, 3174213970624, 10892652172048 ]
[ "nonn" ]
A358254
[ 0, 1, 2, 3, 4, 5, 6, 7, 12, 8, 9, 10, 11, 13, 15, 23, 14, 16, 18, 21, 17, 19, 29, 25, 33, 20, 22, 26, 28, 120, 24, 27, 87, 58, 125, 88, 30, 31, 97, 124, 45, 187, 32, 34, 73, 132, 55, 49, 42, 35, 36, 95, 195, 59, 98, 863, 37, 38, 130, 104, 129, 62, 736, 67, 39, 40, 115, 131, 48, 748, 82, 208, 41 ]
[ "nonn", "base" ]
A170209
[ 1, 8, 56, 392, 2744, 19208, 134456, 941192, 6588344, 46118408, 322828856, 2259801992, 15818613944, 110730297608, 775112083256, 5425784582792, 37980492079544, 265863444556808, 1861044111897656, 13027308783283592 ]
[ "nonn" ]
A153936
[ 1, 2, 4, 13, 26, 65, 226, 1291, 7132, 55130, 379228, 4264780, 44700351, 743555327, 11220972023, 261784540652, 5859844173065, 202299825940682, 6575351187836482 ]
[ "nonn" ]
A350700
[ -1, 1, 1, 0, 2, 1, -2, 2, 1, -2, 4, 1, -4, 2, 3, -2, 6, 3, -4, -3, 3, -2, 1, 7, -4, -5, 1, 4, 3, 5, -4, 1, -4, 4, 1, -2, 0, 3, -6, -2, 5, 6, 0, 3, 6, -1, 11, -6, -9, 3, 2, -1, -1, -2, -5, 6, 4, -7, 8, 0, -9, -4, 10, 3, -4, 6, -7, 6, -17, -1, -2, -5, 1, 4, -3 ]
[ "sign", "base" ]
A270776
[ 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 5, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 5, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 5, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 5, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2 ]
[ "nonn" ]
A083232
[ 1, 5, 37, 257, 1801, 12605, 88237, 617657, 4323601, 30265205, 211856437, 1482995057, 10380965401, 72666757805, 508667304637, 3560671132457, 24924697927201, 174472885490405, 1221310198432837, 8549171389029857 ]
[ "easy", "nonn" ]
A042935
[ 1, 1, 2, 3, 5, 28, 173, 201, 1178, 2557, 13963, 16520, 113083, 581935, 695018, 1276953, 1971971, 3248924, 203405259, 206654183, 410059442, 616713625, 1026773067, 5750578960, 35530246827, 41280825787 ]
[ "nonn", "cofr", "frac", "easy" ]
A017898
[ 1, 0, 0, 0, 1, 1, 1, 1, 2, 3, 4, 5, 7, 10, 14, 19, 26, 36, 50, 69, 95, 131, 181, 250, 345, 476, 657, 907, 1252, 1728, 2385, 3292, 4544, 6272, 8657, 11949, 16493, 22765, 31422, 43371, 59864, 82629, 114051, 157422, 217286, 299915, 413966, 571388, 788674 ]
[ "nonn", "easy" ]
A206419
[ 11, 7, 18, 25, 43, 68, 111, 179, 290, 469, 759, 1228, 1987, 3215, 5202, 8417, 13619, 22036, 35655, 57691, 93346, 151037, 244383, 395420, 639803, 1035223, 1675026, 2710249, 4385275, 7095524, 11480799, 18576323, 30057122, 48633445, 78690567, 127324012 ]
[ "nonn" ]
A223059
[ 51, 19360, 9383963, 4606719559, 2266567594841, 1115636153544055, 549172612438350000, 270334270159303300000, 1.3307437379293179e+23, 6.550703746844205e+25, 3.224642132013283e+28 ]
[ "nonn" ]
A058763
[ 26, 34, 50, 86, 122, 134, 146, 154, 170, 186, 202, 206, 218, 244, 266, 274, 290, 298, 326, 340, 362, 386, 394, 404, 412, 436, 470, 474, 482, 518, 532, 534, 554, 566, 596, 626, 634, 650, 666, 680, 686, 698, 706, 722, 724, 730, 746, 778, 794, 818, 834, 842 ]
[ "nonn" ]
A278491
[ 0, 3, 24, 35, 99, 120, 195, 323, 440, 483, 675, 728, 899, 1155, 1368, 1443, 1763, 1848, 2115, 2499, 2808, 2915, 3363, 3480, 3843, 4355, 4760, 4899, 5475, 5624, 6083, 6723, 7224, 7395, 8099, 8280, 8835, 9603, 10200, 10403, 11235, 11448, 12099, 12995, 13688, 13923, 14883, 15128, 15875, 16899, 17688, 17955, 19043, 19320, 20163 ]
[ "nonn" ]
A293851
[ 2, 12, 18, 24, 42, 54, 250, 378, 472, 490, 722, 2722, 3109, 3296, 7342, 10507, 14206, 20088, 27542, 65507, 76220 ]
[ "nonn", "more", "hard" ]
A238479
[ 0, 0, 1, 1, 2, 3, 4, 5, 8, 10, 13, 18, 23, 30, 40, 50, 64, 83, 104, 131, 166, 206, 256, 320, 394, 485, 598, 730, 891, 1088, 1318, 1596, 1932, 2326, 2797, 3360, 4020, 4804, 5735, 6824, 8108, 9624, 11392, 13468, 15904, 18737, 22048, 25914, 30400, 35619, 41686 ]
[ "nonn", "easy" ]
A382912
[ 4, 8, 9, 12, 16, 18, 20, 24, 27, 28, 32, 36, 40, 44, 45, 48, 50, 52, 54, 56, 60, 63, 64, 68, 72, 75, 76, 80, 81, 84, 88, 90, 92, 96, 98, 99, 100, 104, 108, 112, 116, 117, 120, 124, 125, 126, 128, 132, 135, 136, 140, 144, 148, 150, 152, 153, 156, 160, 162, 164 ]
[ "nonn" ]
A287222
[ 0, 0, 0, 0, 2, 16, 164, 944, 4386, 22240, 83066, 398132 ]
[ "nonn", "more" ]
A014907
[ 1, 24, 531, 11686, 257097, 5656140, 124435087, 2737571922, 60226582293, 1324984810456, 29149665830043, 641292648260958, 14108438261741088, 310385641758304000, 6828484118682687000, 150226650611019120000, 3.304986313442421e+21, 7.270969889573325e+22, 1.5996133757061316e+24 ]
[ "nonn", "easy" ]
A019860
[ 7, 7, 7, 1, 4, 5, 9, 6, 1, 4, 5, 6, 9, 7, 0, 8, 7, 9, 9, 7, 9, 9, 3, 7, 7, 4, 3, 6, 7, 2, 4, 0, 3, 8, 4, 9, 0, 9, 2, 0, 6, 5, 3, 7, 6, 4, 5, 1, 8, 0, 6, 0, 1, 6, 7, 9, 7, 0, 0, 8, 3, 3, 5, 0, 8, 1, 3, 9, 0, 7, 0, 4, 9, 3, 0, 3, 9, 8, 7, 3, 7, 0, 3, 1, 5, 4, 2, 1, 1, 0, 3, 9, 7, 5, 3, 7, 3, 6, 7 ]
[ "nonn", "cons" ]
A282297
[ 1, 10, 111, 0, 11111, 0, 1111111, 0, 111111111, 0, 11111111111, 0, 1111111111111, 0, 111110011111111, 0, 11100000011111112, 11110000000000, 1101100110011111200, 1111000000000000, 110000000000011110000, 1111111110000000000, 1.1110000000111112e+22 ]
[ "nonn", "easy" ]
A230346
[ 1, 14, 231, 4512, 103194, 2721600, 81591840, 2746068480, 102661518960, 4224849995520, 189917647920000, 9263565222912000, 487461283781472000, 27533206366009344000, 1.6618654004049378e+21, 1.067688649848877e+23, 7.275718977990227e+24 ]
[ "nonn" ]
A237216
[ 107092, 1641592, 25995322, 450437732, 7967160058, 145427157438, 2691555338564, 50555783299908, 958982350912524, 18370509923974256, 354926219502860500, 6917745513315856000, 136000646739712700000, 2.6981460577670026e+21 ]
[ "nonn" ]
A102615
[ 1, 8, 10, 14, 15, 16, 20, 22, 24, 25, 27, 30, 32, 33, 35, 36, 38, 39, 40, 44, 46, 48, 49, 50, 51, 54, 55, 56, 58, 62, 63, 64, 66, 68, 69, 70, 72, 75, 76, 77, 78, 80, 82, 85, 86, 87, 88, 90, 92, 93, 94, 96, 99, 100, 102, 104, 105, 108, 110, 111, 114, 115, 116, 117, 118, 120 ]
[ "nonn" ]
A336097
[ 1, 1, -1, -5, -13, -149, -1861, -21965, -267373, -3163109, -34739221, -352104125, -3806609533, -67068890069, -1866226978981, -51776974365485, -1180415240484493, -19613026052409028, -122604194898649140, 6950364605049946000, 394565422299921200000, 1.3840685990526765e+22 ]
[ "sign" ]
A166254
[ 1, 44, 1892, 81356, 3498308, 150427244, 6468371492, 278139974156, 11960018888708, 514280812214444, 22114074925220144, 950905221784425600, 40888924536728550000, 1.7582237550792527e+21, 7.560362146840462e+22 ]
[ "nonn" ]
A303619
[ 1, 12, 38, 148, 616, 2520, 10288, 42100, 172268, 704776, 2883500, 11797636, 48268920, 197487780, 808003420, 3305872824, 13525678764, 55339088836, 226414867352, 926355911364, 3790101263196, 15506855855704, 63444895485516 ]
[ "nonn" ]
A024104
[ 1, 8, 73, 702, 6497, 58924, 531225, 4782626, 43046209, 387419760, 3486783401, 31381058278, 282429534753, 2541865826132, 22876792452217, 205891132091274, 1853020188847745, 16677181699661656, 150094635296993280 ]
[ "nonn", "easy" ]
A350772
[ 1, 1, 1, 3, 1, 1, 9, 4, 1, 1, 30, 12, 4, 1, 1, 103, 45, 13, 4, 1, 1, 375, 160, 48, 13, 4, 1, 1, 1400, 613, 175, 49, 13, 4, 1, 1, 5380, 2354, 680, 178, 49, 13, 4, 1, 1 ]
[ "nonn", "tabl" ]
A215700
[ 0, 0, 1, 14, 81, 578 ]
[ "nonn" ]
A250079
[ 40054, 159278, 647122, 2623376, 10361063, 38804209, 134387611, 508067629, 1962422803, 7613922448, 29422302749, 112682406459, 425983285175, 1629376150275, 6294518310154, 24375665892340, 94351179211547 ]
[ "nonn" ]
A162325
[ 1, 2, 3, 2, 5, 3, 7, 2, 3, 5, 11, 3, 13, 7, 5, 2, 17, 3, 19, 2, 7, 11, 23, 3, 5, 13, 3, 2, 29, 5, 31, 2, 11, 17, 7, 3, 37, 19, 13, 2, 41, 3, 43, 2, 5, 23, 47, 3, 7, 5, 17, 2, 53, 3, 11, 2, 19, 29, 59, 3, 61, 31, 7, 2, 13, 3, 67, 2, 23, 7, 71, 3, 73, 37, 5, 2, 11, 3, 79, 2, 3, 41, 83, 3, 17, 43, 29 ]
[ "nonn" ]
A129600
[ 0, 1, 1, 2, 3, 2, 3, 4, 4, 3, 4, 7, 6, 7, 4, 5, 8, 8, 8, 8, 5, 6, 11, 12, 15, 12, 11, 6, 7, 12, 9, 16, 16, 9, 12, 7, 8, 15, 14, 23, 24, 23, 14, 15, 8, 9, 16, 16, 24, 19, 19, 24, 16, 16, 9, 10, 19, 24, 31, 28, 13, 28, 31, 24, 19, 10, 11, 20, 17, 32, 32, 17, 17, 32, 32, 17, 20, 11, 12 ]
[ "nonn", "tabl" ]
A195328
[ 2, 4, 6, 18, 50, 54, 162, 242, 450, 486, 882, 1058, 1782, 3042, 3078, 4050, 5202, 9522, 19602, 22050, 36450, 46818, 54450, 66978, 71442, 95922, 124002, 149058, 183618, 190962, 238050, 240570, 263538, 277830, 328050, 466578, 684450, 816642, 977202 ]
[ "nonn" ]
A010120
[ 1, 2, 3, 3, 3, 21, 21, 75, 75, 151, 151, 1365, 1365, 5461, 5461, 14563, 14563, 87381, 87381, 184111, 184111, 932067, 932067, 5592405, 5592405, 13256071, 13256071, 26512143, 26512143, 357913941, 357913941, 1431655765, 1431655765, 3817748707 ]
[ "nonn", "nice" ]
A353180
[ 1, 1, 2, 6, 25, 130, 810, 5880, 48790, 455491, 4725020, 53915730, 671141130, 9050528630, 131437406100, 2045160117000, 33944105995801, 598591246152934, 11176863039391538, 220287874849834600, 4570225746232480000, 99557506547622360000, 2.2720283990948527e+21 ]
[ "nonn" ]
A208683
[ 2, 16, 78, 927, 12096, 301035, 6398617, 358035204, 14996975204, 1866358422700, 142488171799491, 43994512655386490, 5996882020078060000, 4.7163594232414045e+21, 1.1235346237855041e+24 ]
[ "nonn" ]
A295749
[ 29, 30, 33 ]
[ "nonn", "fini", "full" ]
A275762
[ 2, -1, 2, -4, 7, -12, 22, -41, 74, -133, 243, -444, 806, -1465, 2669, -4859, 8840, -16087, 29282, -53296, 96994, -176527, 321290, -584755, 1064251, -1936952, 3525296, -6416092, 11677369, -21252993, 38680798, -70399646, 128128414, -233195704, 424419826, -772450633, 1405872057, -2558708924, 4656889892, -8475611623, 15425744240, -28075093283, 51097104306, -92997520459, 169256926243, -308050225082, 560656176744, -1020402917484, 1857149100126, -3380040101304, 6151725289638 ]
[ "sign" ]
A081245
[ 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 5, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 5, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 5 ]
[ "nonn" ]
A115841
[ 1, 7, 8, 9, 10, 11, 12, 14, 21, 28, 35, 42, 49, 50, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 98, 99, 100, 101, 102, 103, 105, 112, 119, 126, 133, 140, 147, 154, 161, 168 ]
[ "base", "easy", "nonn" ]
A153379
[ 1193, 8923, 13997, 31847, 33113, 56039, 57593, 66593, 85843, 87803, 90583, 91229, 93503, 101323, 103183, 111697, 113123, 127453, 141403, 142897, 150373, 150413, 151673, 152623, 156823, 157133, 161983, 176849, 179743, 186013, 205963, 209431 ]
[ "nonn" ]
A036101
[ 1, 8388609, 94151567435, 70462887356491, 11991297699255788, 801651152008681000, 28158477563134517000, 617664557698786500000, 9.453233930011207e+21, 1.088629381196525e+23 ]
[ "nonn", "easy" ]
A060132
[ 0, 1, 2, 3, 6, 7, 8, 9, 16, 17, 24, 25, 26, 27, 30, 31, 32, 33, 40, 41, 60, 61, 62, 63, 120, 121, 122, 123, 126, 127, 128, 129, 136, 137, 144, 145, 146, 147, 150, 151, 152, 153, 160, 161, 180, 181, 182, 183, 288, 289, 290, 291, 294, 295, 296, 297, 304, 305, 316 ]
[ "nonn" ]
A192162
[ 0, 1, 4, 9, 21, 24, 61, 109, 121, 124, 369, 561, 609, 621, 624, 2101, 2869, 3061, 3109, 3121, 3124, 11529, 12589, 14601, 15369, 15561, 15609, 15621, 15624, 61741, 74029, 77101, 77869, 78061, 78109, 78121, 78124, 128481, 325089, 374241, 386529, 389601, 390369 ]
[ "nonn" ]
A086255
[ 5, 7, 11, 103319, 21436799, 22183761599 ]
[ "more", "nonn" ]
A164799
[ 1, 1, 2, 1, 2, 1, 4, 1, 2, 5, 5, 1, 10, 2, 2, 1, 10, 1, 16, 2, 18, 17, 16, 1, 22, 21, 20, 19, 18, 1, 28, 1, 30, 29, 2, 1, 26, 37, 36, 35, 34, 41, 40, 43, 42, 41, 40, 1, 46, 45, 44, 43, 42, 1, 52, 51, 50, 49, 48, 1, 58, 61, 4, 1, 58, 57, 56, 67, 66, 65, 64, 1, 70, 73, 72, 71, 70, 69, 68, 2 ]
[ "nonn" ]
A312288
[ 1, 4, 8, 14, 16, 22, 26, 29, 34, 38, 44, 44, 52, 54, 64, 61, 72, 70, 80, 76, 90, 86, 96, 92, 108, 102, 118, 110, 128, 115, 136, 124, 146, 128, 154, 140, 164, 147, 176, 158, 180, 164, 192, 172, 194, 180, 210, 188, 216, 198 ]
[ "nonn" ]
A344114
[ 1, 14, 506, 65512, 33554312, 68719476016, 562949953416272, 18446744073709510000, 2.4178516392292583e+24, 1.2676506002282294e+30, 2.658455991569832e+36, 2.2300745198530623e+43, 7.482888383134223e+50 ]
[ "nonn", "easy" ]
A352268
[ 55, 155, 505, 515, 550, 551, 1055, 1155, 1505, 1515, 1550, 1551, 2555, 5005, 5015, 5050, 5051, 5105, 5115, 5150, 5151, 5255, 5500, 5501, 5510, 5511, 5525, 5552, 10055, 10155, 10505, 10515, 10550, 10551, 11055, 11155, 11505, 11515, 11550, 11551, 12555, 15005, 15015, 15050 ]
[ "nonn", "base" ]
A282246
[ 2, 5, 11, 19, 23, 31, 41, 47, 59, 71, 83, 97, 101, 103, 109, 113, 127, 137, 157, 163, 167, 173, 179, 191, 197, 223, 227, 229, 233, 239, 241, 263, 269, 271, 317, 337, 349, 353, 367, 389, 401, 409, 433, 439, 449, 457, 461, 463, 467, 491, 521, 563, 571, 607, 613, 617, 631, 641, 653, 661, 701, 709, 719, 739, 757, 797 ]
[ "nonn" ]
A283986
[ 1, 1, 3, 3, 3, 3, 3, 3, 5, 7, 7, 7, 7, 7, 7, 5, 5, 5, 7, 7, 11, 13, 7, 7, 7, 7, 13, 11, 7, 7, 5, 5, 7, 7, 13, 13, 15, 15, 15, 11, 11, 11, 13, 13, 13, 15, 15, 11, 11, 15, 15, 13, 13, 13, 11, 11, 11, 15, 15, 15, 13, 13, 7, 7, 7, 7, 15, 15, 15, 15, 13, 13, 15, 15, 27, 23, 23, 27, 15, 15, 15, 15, 27, 27, 29, 29, 31, 23, 21, 29, 31, 23, 23, 25, 11, 11, 11, 11, 25 ]
[ "nonn", "base" ]
A201425
[ 3, 11, 99, 33740, 28384610, 54217235230, 6095310292410589 ]
[ "nonn" ]
A242600
[ 5, 4, 2, 1, 9, 1, 2, 1, 6, 4, 5, 0, 6, 9, 3, 3, 7, 8, 3, 4, 0, 5, 0, 1, 5, 3, 1, 0, 4, 2, 6, 4, 3, 6, 9, 5, 6, 7, 9, 3, 7, 6, 7, 8, 5, 4, 5, 8, 0, 6, 9, 9, 3, 9, 6, 8, 6, 5, 7, 2, 6, 7, 7, 4, 0, 3, 1, 0, 5, 3, 1, 5, 3, 7, 7, 7, 9, 9, 4, 4, 3, 0, 4, 0, 9, 2, 4, 2, 8, 6, 7, 0, 4, 7, 0, 9, 2, 8, 4, 5, 9, 3, 7, 3, 0, 1, 3 ]
[ "nonn", "cons" ]
A286085
[ 1, 1, 0, 7, 16, 31, 0, 255, 0, 511, 1024, 1023, 6144, 4095, 24576, 12287, 8192, 245759, 32768, 458751, 1179648, 1310719, 1572864, 13631487, 6291456, 54525951, 16777216, 33554431, 469762048, 125829119, 16777216, 4177526783, 234881024, 14562623487, 4429185024 ]
[ "nonn", "easy" ]
A004120
[ 1, 4, 9, 16, 25, 35, 46, 58, 71, 85, 100, 116, 133, 151, 170, 190, 211, 233, 256, 280, 305, 331, 358, 386, 415, 445, 476, 508, 541, 575, 610, 646, 683, 721, 760, 800, 841, 883, 926, 970, 1015, 1061, 1108, 1156, 1205 ]
[ "nonn", "easy" ]
A022850
[ 0, 3, 5, 8, 11, 13, 16, 19, 21, 24, 26, 29, 32, 34, 37, 40, 42, 45, 48, 50, 53, 56, 58, 61, 63, 66, 69, 71, 74, 77, 79, 82, 85, 87, 90, 93, 95, 98, 101, 103, 106, 108, 111, 114, 116, 119, 122, 124, 127, 130, 132, 135, 138, 140, 143, 146, 148, 151, 153, 156 ]
[ "nonn", "easy" ]
A126034
[ 2, 11, 61, 359, 2153, 12917, 77491, 464941, 2789629, 16737761, 100426553, 602559311, 3615355859, 21692135119, 130152810703, 780916864207, 4685501185193, 28113007111153, 168678042666907, 1012068256001351, 6072409536008087, 36434457216048504, 218606743296291000 ]
[ "nonn" ]
A218915
[ 0, 0, 0, 0, 0, 3, 9, 29, 47, 86, 157, 401, 576, 1316 ]
[ "nonn", "more" ]
A086367
[ 2, 18, 1798038432, 1.2753060594089922e+24, 1.1600333847446767e+34, 1.062873915484588e+59, 1.0599543642825725e+74 ]
[ "nonn" ]
A286234
[ 1, 1, 2, 3, 1, 4, 3, 3, 2, 7, 10, 3, 3, 2, 11, 3, 10, 3, 5, 4, 16, 21, 3, 10, 3, 5, 4, 22, 10, 21, 3, 10, 5, 5, 7, 29, 21, 10, 21, 3, 10, 5, 8, 7, 37, 10, 21, 10, 21, 3, 14, 5, 8, 11, 46, 55, 10, 21, 10, 21, 3, 14, 5, 8, 11, 56, 10, 55, 10, 21, 10, 21, 5, 14, 8, 12, 16, 67, 78, 10, 55, 10, 21, 10, 21, 5, 14, 8, 12, 16, 79, 21, 78, 10, 55, 10, 21, 10, 27, 5, 14, 8, 12, 22, 92 ]
[ "nonn", "tabl" ]
A134733
[ 1, 23, 457, 891011, 1213141516, 171819202122, 23242526272930, 3132333435363738, 394041424344454660, 48495051525354550000, 5.859606162636466e+21, 6.970717273747577e+23 ]
[ "base", "easy", "nonn" ]
A179952
[ 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 2, 1, 0, 1, 0, 0, 1, 0, 0, 3, 0, 0, 1, 0, 0, 2, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 2, 0, 0, 4, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 2, 0, 0, 2, 1, 0, 1, 0, 0, 1, 1, 0, 3, 0, 0, 2, 0, 0, 1, 0, 2, 1, 0, 0, 1, 0, 0, 1, 1, 0, 2, 0, 0, 1, 0, 0, 4, 0, 0, 2, 0, 0, 1, 0, 1, 3 ]
[ "nonn" ]
A269421
[ 3, 19, 179, 379, 691, 1187, 1307, 4787, 15467, 22307, 43067, 83579, 273323, 373459, 1543291, 5364091, 5768803, 20941259, 137649667, 251522291, 369352163, 426008699, 938378747, 1042908091, 1378014731, 1878780427, 11474650339, 12402606331, 15931938899, 51025309339, 144309631099 ]
[ "nonn" ]
A051018
[ 1023456789, 1023456879, 1023457689, 1023457869, 1023458679, 1023458769, 1023465789, 1023465879, 1023467589, 1023467859, 1023468579, 1023468759, 1023475689, 1023475869, 1023476589, 1023476859, 1023478569, 1023478659, 1023485679, 1023485769, 1023486579, 1023486759 ]
[ "nonn", "base" ]
A213690
[ 3, 13, 70, 529, 5148, 68798, 1220409, 29377751, 949700962, 41536397680, 2450653487731, 195553849371916, 21091722699002540, 3077853629320011300, 607688763160596600000, 1.624078532437702e+23 ]
[ "nonn" ]
A290423
[ 1, 2, 6, 8, 28, 32, 120, 224, 496, 768, 2016, 2432, 8128, 8192, 32640, 65024, 130816, 258048, 523776, 1021952, 2096128, 3932160, 8386560, 15196160, 33550336, 51314688, 134209536, 161054720, 536854528, 536870912, 2147450880, 4294836224, 8589869056 ]
[ "nonn", "easy" ]
A171696
[ 0, 20, 24, 31, 34, 36, 41, 48, 50, 54, 57, 69, 71, 79, 86, 88, 89, 92, 97, 104, 106, 111, 116, 119, 130, 132, 134, 136, 139, 141, 145, 149, 150, 154, 160, 167, 171, 174, 176, 179, 180, 189, 190, 191, 193, 196, 201, 207, 209, 211, 212, 219, 222, 223, 224, 225 ]
[ "nonn" ]
A320197
[ 1, 2, 2, 4, 4, 4, 8, 8, 6, 8, 12, 8, 16, 20, 8, 24, 28, 20, 22, 28, 16, 24, 48, 8, 24, 38, 24, 36, 40, 20, 16, 64, 22, 32, 44, 24, 46, 56, 36, 16, 64, 28, 64, 68, 36, 56, 56, 72, 56, 90, 26, 56, 88, 44, 92, 48, 48, 80, 108, 48, 48, 96, 40, 120, 92, 16, 48, 108, 52 ]
[ "nonn" ]
A035249
[ 1, 3, 4, 5, 7, 9, 12, 15, 16, 20, 21, 23, 25, 27, 28, 29, 35, 36, 41, 43, 45, 47, 48, 49, 60, 61, 63, 64, 67, 69, 75, 80, 81, 83, 84, 87, 89, 92, 100, 101, 103, 105, 107, 108, 109, 112, 115, 116, 121, 123, 125, 127, 129, 135, 140, 141, 144, 145, 147, 149, 161 ]
[ "nonn" ]
A149934
[ 1, 2, 5, 15, 49, 165, 590, 2198, 8243, 31318, 122159, 481187, 1906550, 7641233, 30899086, 125343131, 512017159, 2105778549, 8688607252, 35963536047, 149624482747, 624448244685, 2612364697842, 10963368933624, 46144530334887, 194563664904657, 822272491695293, 3483175115695255 ]
[ "nonn", "walk" ]
A372608
[ 1, 3, 10, 18, 44, 40, 114, 124, 198, 192, 430, 292, 708, 540, 704, 888, 1552, 954, 2178, 1456, 1980, 2080, 3806, 2216, 4220, 3480, 4734, 4056, 7588, 3560, 9270, 6960, 7920, 7840, 9936, 7296, 15588, 10980, 13056, 11120, 21240, 10128, 24570, 16360, 17880, 19360, 32062 ]
[ "nonn" ]
A059220
[ 1, 0, 1, 2, 1, 0, 0, 2, 3, 5, 15, 12, 8, 5, 0, 0, 15, 27, 39, 48, 55, 239, 221, 190, 152, 103, 55, 0, 0, 239, 460, 680, 871, 1025, 1137, 1199, 6810, 6553, 6062, 5374, 4493, 3471, 2336, 1199, 0, 0, 6810, 13363, 19903, 25958, 31351, 35884, 39399, 41847 ]
[ "easy", "nonn", "tabl", "nice" ]
A074060
[ 1, 1, 1, 1, 5, 1, 1, 16, 16, 1, 1, 42, 127, 42, 1, 1, 99, 715, 715, 99, 1, 1, 219, 3292, 7723, 3292, 219, 1, 1, 466, 13333, 63173, 63173, 13333, 466, 1, 1, 968, 49556, 429594, 861235, 429594, 49556, 968, 1, 1, 1981, 173570, 2567940, 9300303, 9300303, 2567940, 173570, 1981, 1 ]
[ "nonn", "tabl" ]
A090068
[ 6, 13, 16, 25, 31, 34, 40, 43, 44, 52, 61, 70, 77, 104, 111, 115, 145, 158, 200, 202, 203, 214, 244, 250, 257, 302, 356, 399, 401, 412, 414, 442, 455, 498, 500, 505, 511, 519, 529, 541, 554, 597, 610, 618, 626, 628, 640, 653, 656, 686, 752, 795, 797, 816, 826 ]
[ "nonn", "base" ]
A286819
[ 1, 11, 110, 111, 11100, 11111, 1111000, 1111111, 110110000, 11111111, 11001100000, 11111111111, 1111111000000, 111111111, 111110110000000, 1111111111111, 11101111100000000, 111111111111111, 1110111111000000000, 11111111111111112, 111111100110000000000 ]
[ "nonn", "easy" ]
A151723
[ 0, 1, 7, 13, 31, 37, 55, 85, 127, 133, 151, 181, 235, 289, 331, 409, 499, 505, 523, 553, 607, 661, 715, 817, 967, 1069, 1111, 1189, 1327, 1489, 1603, 1789, 1975, 1981, 1999, 2029, 2083, 2137, 2191, 2293, 2443, 2545, 2599, 2701, 2875, 3097, 3295 ]
[ "nonn" ]
A004643
[ 1, 2, 10, 20, 100, 200, 1000, 2000, 10000, 20000, 100000, 200000, 1000000, 2000000, 10000000, 20000000, 100000000, 200000000, 1000000000, 2000000000, 10000000000, 20000000000, 100000000000, 200000000000 ]
[ "nonn", "base", "easy", "changed" ]
A041710
[ 19, 39, 58, 155, 213, 1220, 1433, 4086, 5519, 15124, 580231, 1175586, 1755817, 4687220, 6443037, 36902405, 43345442, 123593289, 166938731, 457470751, 17550827269, 35559125289, 53109952558, 141779030405, 194888982963, 1116223945220, 1311112928183 ]
[ "nonn", "cofr", "frac", "easy" ]
A277537
[ 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 2, 0, 0, 1, 1, 2, 3, 0, 0, 1, 1, 2, 9, 8, 0, 0, 1, 1, 2, 9, 32, 10, 0, 0, 1, 1, 2, 9, 56, 180, 54, 0, 0, 1, 1, 2, 9, 56, 360, 954, -42, 0, 0, 1, 1, 2, 9, 56, 480, 2934, 6524, 944, 0, 0, 1, 1, 2, 9, 56, 480, 4374, 26054, 45016, -5112, 0, 0 ]
[ "sign", "tabl" ]
A263563
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 110, 100, 12, 120, 1200, 20, 13, 130, 1300, 30, 14, 140, 1400, 40, 15, 150, 1500, 50, 16, 160, 1600, 60, 17, 170, 1700, 70, 18, 180, 1800, 80, 19, 190, 1900, 90, 21, 210, 2100, 1000, 22, 220, 2200, 22000, 200, 23, 230, 2300 ]
[ "nonn", "base", "look", "nice" ]
A072068
[ 2, 4, 0, 0, 10, 12, 0, 0, 16, 12, 0, 0, 10, 16, 0, 0, 16, 24, 0, 0, 32, 12, 0, 0, 18, 24, 0, 0, 16, 36, 0, 0, 32, 12, 0, 0, 16, 28, 0, 0, 34, 36, 0, 0, 48, 24, 0, 0, 16, 36, 0, 0, 32, 36, 0, 0, 32, 24, 0, 0, 26, 24, 0, 0 ]
[ "nonn" ]
A288956
[ 1, 4, 8, 79, 544, 8197, 201611, 6214593, 391918650, 32239887128, 4599025630995, 1018245217588836, 346578151637999300, 193445218205732600000, 1.651994966076945e+23, 2.266365380889974e+26, 4.880631506165146e+29, 1.6559503055445725e+33 ]
[ "nonn" ]
A341266
[ 1, 1, 5, 25, 125, 646, 3395, 18054, 96885, 523600, 2845700, 15537457, 85160387, 468279280, 2582140370, 14272523740, 79056303957, 438711518556, 2438587839980, 13574970187300, 75668677723100, 422294150816010, 2359326605275755, 13194525668986350, 73857744668632270 ]
[ "nonn" ]