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A089869 Permutation of natural numbers induced by the Catalan bijection gma089869 acting on the parenthesizations/binary trees encoded by A014486/A063171. 3
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 22, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 49, 51, 52, 53, 54, 55, 60, 61, 64, 63, 56, 57, 59, 58, 62, 65, 66, 67, 68, 69 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This Catalan bijection arises when we apply the Catalan bijection A085169 to each top-level subtree (sub-parenthesization).

LINKS

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

A. Karttunen, C-program for computing this sequence

Index entries for signature-permutations induced by Catalan automorphisms

PROG

(Scheme function implementing this automorphism on list-structures:)

(define (gma089869! s) (for-each gma085169! s) s)

CROSSREFS

Inverse of A089870.

Number of cycles: A090827. Number of fixed-points: A000129. Max. cycle size: A086586. LCM of cycle sizes: A086587. (In range [A014137(n-1)..A014138(n-1)] of this permutation, possibly shifted one term left or right).

Sequence in context: A089868 A089867 A089870 * A318535 A260255 A261906

Adjacent sequences:  A089866 A089867 A089868 * A089870 A089871 A089872

KEYWORD

nonn

AUTHOR

Antti Karttunen, Dec 20 2003

STATUS

approved

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Last modified April 3 17:03 EDT 2020. Contains 333197 sequences. (Running on oeis4.)