[0,1,1,0,2,2,2,2,0,3,3,3,6,3,3,3,4,4,4,8,8,8,8,8, 4,9,9,5,10,10,15,15,15,15,15,15,16,16,11,17,17,18, 24,24,24,30,30,30,30,31,31,31,32,26,33,34,41,41, 42,49,49,56,56,56,64,64,57,65,58,59,67,68]