[1,0,0,0,1,0,1,1,1,1,1,1,2,2,2,2,3,2,4,3,4,4,5,4, 6,6,6,7,8,7,9,9,10,10,12,11,14,13,14,15,17,16,19, 19,20,21,23,22,26,26,27,28,31,30,34,34,36,37,40, 39,44,44,46,48,51]