A057927 Sequence b(n) mentioned in A057926.
3, 7, 12, 13, 15, 26, 27, 31, 52, 53, 55, 58, 59, 63, 92, 93, 95, 98, 99, 103, 108, 109, 111, 122, 123, 127, 180, 181, 183, 186, 187, 191, 252, 253, 255, 450, 451, 455, 460, 461, 463, 474, 475, 479, 500, 501, 503, 506, 507, 511, 796, 797, 799, 802, 803, 807
Offset: 1