[1,1,1,1,2,1,3,1,1,4,2,1,5,4,1,6,6,1,7,9,1,1,8,12, 2,1,9,16,4,1,10,20,6,1,11,25,10,1,12,30,14,1,13, 36,20,1,14,42,26,1,15,49,35,1,1,16,56,44,2,1,17, 64,56,4,1,18,72,68,6,1,19,81,84,10,1,20,90,100,14, 1,21,100,120,20]