A130375 Signature permutation of a Catalan automorphism: apply *A074685 after the first nil on the top-level of list, if any present, otherwise leave the structure intact.
0, 1, 2, 3, 5, 4, 6, 7, 8, 11, 12, 13, 10, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 29, 28, 30, 31, 32, 33, 34, 35, 25, 26, 36, 27, 24, 23, 38, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 81, 82, 83, 80, 79, 85, 84
Offset: 0