[0,0,1,3,3,5,6,6,7,9,10,10,12,12,13,15,15,17,18, 18,20,20,21,23,24,24,25,27,27,29,30,30,31,33,34, 34,36,36,37,39,40,40,41,43,43,45,46,46,48,48,49, 51,51,53,54,54,55,57,58,58,60,60,61,63,63,65,66, 66,68,68,69,71,72]