[1,0,0,0,1,1,0,1,1,1,1,2,2,1,2,3,3,2,3,4,4,4,5,5, 5,6,7,7,7,8,9,9,10,11,11,12,13,14,14,15,17,17,18, 19,21,21,22,24,25,26,27,29,30,31,33,35,36,37,39, 41,43,44,46,48,50]