[0,0,0,0,0,0,1,1,2,3,3,4,5,6,6,8,7,9,9,10,10,12, 11,14,13,14,13,16,13,18,15,18,16,20,18,23,20,25, 23,26,22,28,23,30,23,30,23,32,26,32,27,34,28,37, 28,36,29,40,31,43,28,42,32,44,32,46,32,46,35,46, 35,50,34,51,37,53,36,59,36,57,41]