0, 1, 2, 2, 3, 2, 3, 3, 3, 3, 4, 5, 6, 5, 6, 6, 7, 7, 8, 9, 12, 10, 11, 11, 11, 11, 12, 15, 16, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 12, 12, 12, 12, 13, 13, 28, 29, 29, 30, 31, 31, 15, 15, 15, 15, 16, 17, 18, 18, 18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 22, 22, 22, 22, 22, 22