[1,1,3,1,6,3,1,9,9,3,1,12,18,12,3,1,15,30,30,15,3, 1,18,45,60,45,18,3,1,21,63,105,105,63,21,3,1,24, 84,168,210,168,84,24,3,1,27,108,252,378,378,252, 108,27,3,1,30,135,360,630,756,630,360,135,30,3]