[1,4,2,6,6,3,8,12,12,4,10,20,30,20,5,12,30,60,60, 30,6,14,42,105,140,105,42,7,16,56,168,280,280,168, 56,8,18,72,252,504,630,504,252,72,9,20,90,360,840, 1260,1260,840,360,90,10]