[0,0,0,1,2,3,5,6,1,2,4,6,8,10,13,1,4,6,9,13,16,20, 2,5,9,13,17,22,27,3,7,12,16,22,27,33,3,8,14,20,26, 33,39,3,10,16,23,30,38,45,3,11,18,26,34,43,52,4, 12,20,29,38,48,57,3,13,22,32,42,53,63,3,14,24]