[0,0,1,3,3,4,3,6,4,6,6,7,8,8,9,8,11,9,11,11,12,14, 14,15,14,17,15,17,17,18,20,20,21,20,23,21,23,23, 24,23,26,24,26,26,27,29,29,30,29,32,30,32,32,33, 33,34,35,35,36,37,37,38,38,39,40,40,41,43,43,44, 43,46,44,46,46,47,46]