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