[2,2,2,3,3,2,4,6,4,2,5,10,10,5,2,6,15,20,15,6,2,7, 21,35,35,21,7,2,8,28,56,70,56,28,8,2,9,36,84,126, 126,84,36,9,2,10,45,120,210,252,210,120,45,10,2, 11,55,165,330,462,462,330,165,55,11,2,12,66,220, 495,792,924,792,495,220,66,12,1]