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