1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9, 11, 13, 15, 17, 20, 22, 25, 28, 31, 34, 38, 41, 45, 49, 53, 57, 62, 66, 71, 76, 81, 86, 92, 97, 103, 109, 115, 121, 128, 134, 141, 148, 155, 162, 170, 177, 185, 193, 201, 209, 218, 226, 235, 244, 253, 262, 272, 281, 291, 301, 311, 321