[0,1,1,1,3,3,3,3,6,8,8,8,8,8,8,8,10,10,12,12,12, 12,12,12,14,16,16,21,21,21,21,21,25,25,25,25,27, 27,27,27,29,29,29,29,29,29,29,29,31,33,35,35,35, 35,39,39,41,41,41,41,41,41,41,41,48,48,48,48,48, 48,48]