[1,1,2,1,2,1,3,2,4,2,4,2,5,3,6,3,6,3,7,4,8,4,8,4, 9,5,10,5,10,5,11,6,12,6,12,6,13,7,14,7,14,7,15,8, 16,8,16,8,17,9,18,9,18,9,19,10,20,10,20,10,21,11, 22,11,22,11,23,12,24,12,24,12,25,13,26,13,26,13, 27,14,28,14,28]