[1,1,1,4,2,2,7,3,3,10,4,4,13,5,5,16,6,6,19,7,7,22,8,8,25,9,9,28,10,10,31,11,11,34,12,12,37,13,13,40,14,14,43,15,15,46,16,16,49,17,17,52,18,18,55,19,19,58,20,20,61,21,21,64,22,22,67,23,23,70,24,24,73,25,25,76]
