1, 2, 2, 4, 4, 4, 6, 6, 8, 8, 8, 8, 10, 12, 12, 12, 12, 16, 16, 16, 16, 16, 18, 18, 20, 20, 20, 22, 24, 24, 24, 24, 24, 24, 24, 28, 30, 32, 32, 32, 32, 32, 32, 36, 36, 36, 36, 36, 40, 40, 40, 40, 40, 40, 42, 42, 44, 44, 46, 48, 48, 48, 48, 48, 48, 48, 48, 48