A163906 Permutation A163356 applied twice.
0, 1, 2, 3, 12, 15, 13, 14, 7, 4, 5, 6, 9, 11, 8, 10, 16, 19, 17, 18, 20, 21, 22, 23, 27, 25, 26, 24, 30, 29, 28, 31, 47, 44, 45, 46, 39, 37, 38, 36, 40, 41, 42, 43, 34, 33, 35, 32, 58, 56, 59, 57, 54, 53, 52, 55, 49, 50, 48, 51, 60, 61, 62, 63, 192, 195, 193, 194, 196, 197
Offset: 0