[1,2,1,3,3,4,6,1,5,10,5,6,15,15,7,21,35,8,28,70,1, 9,36,126,9,10,45,210,45,11,55,330,165,12,66,495, 495,13,78,715,1287,14,91,1001,3003,15,105,1365, 6435,16,120,1820,12870,1,17,136,2380,24310,17,18, 153,3060,43758]