1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 8, 7, 9, 10, 10, 12, 12, 13, 15, 13, 16, 17, 17, 20, 18, 21, 23, 21, 25, 24, 25, 28, 24, 29, 30, 29, 34, 31, 35, 37, 33, 39, 39, 39, 44, 38, 45, 46, 43, 49, 46, 48, 52, 44, 53, 53, 52, 59, 53, 60, 63, 56, 66, 63, 64, 70, 60, 71