1
1,1
1,2,1
1,2,2,1
1,3,4,3,1
1,3,5,5,3,1
1,4,7,10,7,4,1
1,4,10,14,14,10,4,1
1,5,12,22,26,22,12,5,1
1,5,15,30,42,42,30,15,5,1
1,6,19,43,66,80,66,43,19,6,1
1,6,22,55,99,132,132,99,55,22,6,1
1,7,26,73,143,217,246,217,143,73,26,7,1
1,7,31,91,201,335,429,429,335,201,91,31,7,1
1,8,35,116,273,504,715,810,715,504,273,116,35,8,1
1,8,40,140,364,728,1144,1430,1430,1144,728,364,140,40,8,1
1,9,46,172,476,1038,1768,2438,2704,2438,1768,1038,476,172,46,9,1
1,9,51,204,612,1428,2652,3978,4862,4862,3978,2652,1428,612,204,51,9,1
1,10,57,245,776,1944,3876,6310,8398,9252,8398,6310,3876,1944,776,245,57,10,1
1,10,64,285,969,2586,5538,9690,14000,16796,16796,14000,9690,5538,2586,969,285,64,10,1
1,11,70,335,1197,3399,7752,14550,22610,29414,32066,29414,22610,14550,7752,3399,1197,335,70,11,1
1,11,77,385,1463,4389,10659,21318,35530,49742,58786,58786,49742,35530,21318,10659,4389,1463,385,77,11,1
1,12,85,446,1771,5620,14421,30667,54484,81752,104006,112720,104006,81752,54484,30667,14421,5620,1771,446,85,12,1
1,12,92,506,2126,7084,19228,43263,81719,130752,178296,208012,208012,178296,130752,81719,43263,19228,7084,2126,506,92,12,1
1,13,100,578,2530,8866,25300,60115,120175,204347,297160,371516,400024,371516,297160,204347,120175,60115,25300,8866,2530,578,100,13,1
1,13,109,650,2990,10966,32890,82225,173593,312455,482885,643856,742900,742900,643856,482885,312455,173593,82225,32890,10966,2990,650,109,13,1
1,14,117,735,3510,13468,42288,111041,246675,468754,766935,1086601,1337220,1432860,1337220,1086601,766935,468754,246675,111041,42288,13468,3510,735,117,14,1
1,14,126,819,4095,16380,53820,148005,345345,690690,1193010,1789515,2340135,2674440,2674440,2340135,1789515,1193010,690690,345345,148005,53820,16380,4095,819,126,14,1
1,15,136,917,4751,19811,67860,195143,476913,1001603,1820910,2883289,3991995,4847637,5170604,4847637,3991995,2883289,1820910,1001603,476913,195143,67860,19811,4751,917,136,15,1
1,15,145,1015,5481,23751,84825,254475,650325,1430715,2731365,4552275,6653325,8554275,9694845,9694845,8554275,6653325,4552275,2731365,1430715,650325,254475,84825,23751,5481,1015,145,15,1
1,16,155,1128,6293,28336,105183,328756,876525,2016144,4032015,7056280,10855425,14732720,17678835,18784170,17678835,14732720,10855425,7056280,4032015,2016144,876525,328756,105183,28336,6293,1128,155,16,1
1,16,166,1240,7192,33566,129456,420732,1168710,2804880,5864750,10752060,17368680,24812400,31429068,35357670,35357670,31429068,24812400,17368680,10752060,5864750,2804880,1168710,420732,129456,33566,7192,1240,166,16,1
1,17,176,1368,8184,39576,158224,534076,1542684,3856892,8414640,16128424,27293640,40941032,54587280,64823110,68635478,64823110,54587280,40941032,27293640,16128424,8414640,3856892,1542684,534076,158224,39576,8184,1368,176,17,1
1,17,187,1496,9276,46376,192130,672452,2017356,5245128,11920740,23841480,42181080,66284556,92798380,115997970,129644790,129644790,115997970,92798380,66284556,42181080,23841480,11920740,5245128,2017356,672452,192130,46376,9276,1496,187,17,1
1,18,199,1641,10472,54132,231880,840652,2615104,7060984,16689036,34769374,64188600,105453584,154664004,202997670,238819350,252088496,238819350,202997670,154664004,105453584,64188600,34769374,16689036,7060984,2615104,840652,231880,54132,10472,1641,199,18,1
1,18,210,1785,11781,62832,278256,1043460,3362260,9414328,23107896,50067108,96282900,165056400,253086480,347993910,429874830,477638700,477638700,429874830,347993910,253086480,165056400,96282900,50067108,23107896,9414328,3362260,1043460,278256,62832,11781,1785,210,18,1
1,19,222,1947,13209,72675,332112,1287036,4289780,12440668,31666376,71250060,142498692,254463276,407139120,585264474,757398510,883634026,930138522,883634026,757398510,585264474,407139120,254463276,142498692,71250060,31666376,12440668,4289780,1287036,332112,72675,13209,1947,222,19,1
1,19,235,2109,14763,83661,394383,1577532,5433736,16301164,42975796,100276894,208267320,386782164,644637006,966955410,1308233790,1598952498,1767263190,1767263190,1598952498,1308233790,966955410,644637006,386782164,208267320,100276894,42975796,16301164,5433736,1577532,394383,83661,14763,2109,235,19,1
1,20,247,2290,16451,95988,466089,1922741,6835972,21191904,57795036,139672312,300830572,580175184,1005633632,1571305702,2218309470,2834510744,3282060210,3446167860,3282060210,2834510744,2218309470,1571305702,1005633632,580175184,300830572,139672312,57795036,21191904,6835972,1922741,466089,95988,16451,2290,247,20,1
1,20,260,2470,18278,109668,548340,2330445,8544965,27343888,77060048,192650120,429757960,859515920,1547128656,2514084066,3697182450,4929576600,5967382200,6564120420,6564120420,5967382200,4929576600,3697182450,2514084066,1547128656,859515920,429757960,192650120,77060048,27343888,8544965,2330445,548340,109668,18278,2470,260,20,1