[1,1,2,2,3,2,3,3,4,3,6,4,5,6,5,5,7,5,8,8,7,6,10,8, 8,9,10,8,13,8,9,12,10,12,14,10,11,14,14,11,17,11, 14,17,13,12,18,14,16]