[0,1,1,2,2,3,3,5,5,6,6,8,8,9,9,11,11,13,13,15,15, 16,16,19,19,20,20,22,22,24,24,27,27,28,28,31,31, 32,32,35,35,37,37,39,39,40,40,44,44,46,46,48,48, 50,50,53,53,54,54,58,58,59,59,62,62,64,64,66,66, 68,68]