[1,1,1,1,2,2,2,2,2,3,3,3,3,4,4,4,5,5,6,6,7,7,8,8, 8,10,10,11,11,13,13,14,14,14,16,16,18,18,20,20,22, 23,23,25,25,28,30,30,33,35,35,38,39,43,43,46,46, 49,51,51,55,56,60,61]