[1,1,1,1,2,1,1,3,3,1,1,4,6,4,1,1,5,0,10,5,1,1,6, 15,0,15,6,1,1,7,21,0,35,21,7,1,1,8,28,0,0,56,28,8, 1,1,9,36,84,0,0,84,36,9,1,1,10,45,120,0,0,210,120, 45,10,1]