[0,0,1,2,1,2,4,2,3,6,3,4,8,4,5,10,5,6,12,6,7,14,7, 8,16,8,9,18,9,10,20,10,11,22,11,12,24,12,13,26,13, 14,28,14,15,30,15,16,32,16,17,34,17,18,36,18,19, 38,19,20,40,20,21,42,21,22,44,22,23,46,23,24,48]