[1,1,1,2,2,2,3,4,3,3,5,4,4,5,7,5,5,9,6,6,8,9,7,7, 13,8,8,12,11,9,10,15,10,10,16,13,11,14,17,12,12, 20,14,13,18,19,14,15,24,15,15,22,20,16,19,26,17, 17,27,20,18,23,27,19,19,33,20,20,28,27,21,23]