login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A082346
Permutation of natural numbers induced by the Catalan bijection gma082346 acting on the parenthesizations encoded by A014486/A063171.
7
0, 1, 3, 2, 7, 8, 6, 4, 5, 17, 18, 20, 22, 21, 16, 19, 14, 9, 10, 15, 11, 12, 13, 45, 46, 48, 50, 49, 54, 55, 61, 64, 63, 57, 62, 58, 59, 44, 47, 53, 60, 56, 42, 51, 37, 23, 24, 38, 25, 26, 27, 43, 52, 39, 28, 29, 40, 30, 31, 32, 41, 33, 34, 35, 36, 129, 130, 132, 134, 133
OFFSET
0,3
PROG
(Scheme functions implementing this automorphism on list-structures:)
(define (gma082346! s) (cond ((pair? s) (gma082346! (cdr s)) (gma069768! s))) s)
CROSSREFS
Inverse of A082345. Occurs in A073200 as row 88. Cf. also A069768, A073288-A073289, A082347-A082348.
Sequence in context: A129611 A154456 A122328 * A069889 A154451 A131000
KEYWORD
nonn
AUTHOR
Antti Karttunen, Apr 17 2003
STATUS
approved