[0,1,1,3,2,3,3,5,6,6,6,8,7,7,7,9,9,11,11,13,13,14, 13,15,15,15,16,17,17,18,18,19,19,20,20,22,22,22, 22,24,23,24,24,26,27,27,27,29,30,30,30,32,32,34, 34,36,36,37,36,38,37,38,38,39,39,40,40,41,41,42, 42,44,44,44,45]