A086426 Permutation of natural numbers induced by the Catalan bijection gma086426 acting on symbolless S-expressions encoded by A014486/A063171.

0, 1, 3, 2, 7, 8, 6, 5, 4, 17, 20, 18, 22, 21, 16, 19, 15, 12, 13, 14, 11, 10, 9, 45, 54, 48, 61, 57, 46, 55, 50, 63, 64, 49, 62, 59, 58, 44, 53, 47, 60, 56, 43, 52, 40, 31, 34, 41, 32, 36, 35, 42, 51, 39, 30, 33, 38, 29, 26, 27, 37, 28, 25, 24, 23, 129, 157, 138, 180, 166

Offset

0,3

Links

Table of n, a(n) for n=0..69.

A. Karttunen, Gatomorphisms (With the complete Scheme source)

Index entries for signature-permutations induced by Catalan automorphisms

Prog

(Scheme function implementing this automorphism on list-structures:)
(define (gma086426! s) (gmA074683! (gmA057164! s)))

Crossrefs

Inverse: A086425. a(n) = A074683(A057164(n)). Occurs in A073200. Cf. also A086427, A086428, A086429, A086430, A086431.

Sequence in context: A127378 A122302 A131159 * A130957 A122353 A130398

Adjacent sequences: A086423 A086424 A086425 * A086427 A086428 A086429

Keyword

nonn

Author

Antti Karttunen, Jun 23 2003

Status

approved