[1,1,1,1,2,1,1,1,4,1,1,3,6,6,1,1,6,4,15,8,1,1,10, 1,20,28,10,1,1,15,5,15,56,45,12,1,1,21,15,6,70, 120,66,14,1,1,28,35,1,56,210,220,91,16,1,1,36,70, 7,28,252,495,364,120,18,1,1,45,126,28,8,210,792, 1001]