[1,3,2,1,6,3,1,2,9,4,1,2,3,12,5,1,2,3,4,15,6,1,2, 3,4,5,18,7,1,2,3,4,5,6,21,8,1,2,3,4,5,6,7,24,9,1, 2,3,4,5,6,7,8,27,10]