[0,0,2,2,5,4,7,6,9,6,10,8,13,12,15,12,18,16,20,17, 20,18,23,20,27,23,26,25,28,27,36,29,34,32,38,34, 38,34,39,36,42,40,46,42,45,44,51,41,49,48,51,48, 52,48,56,52,58,56,60,57,60,56,68,61,64,63,72,64, 72,68,71,68,75]