[1,1,1,2,2,3,3,4,6,10,10,12,12,14,15,16,16,18,18,
 20,21,22,22,24,25,26,27,28,28,30,30,32,33,34,35,
 36,36,38,39,40,40,42,42,44,45,46,46,48,49,50,51,
 52,52,54,55,56,57,58,58,60,60,62,63,64,65,66,66,
 68,69,70,70,72]