1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 8, 8, 10, 11, 13, 14, 17, 18, 21, 23, 26, 28, 32, 34, 38, 41, 45, 48, 53, 57, 62, 67, 73, 79, 86, 93, 101, 110, 119, 129, 140, 152, 164, 178, 192, 208, 224, 242, 260, 281, 301, 324, 347, 373, 398, 427, 455, 487