OFFSET
0,3
COMMENTS
This Catalan bijection arises when we apply the Catalan bijection A085169 to each top-level subtree (sub-parenthesization).
LINKS
PROG
(Scheme function implementing this automorphism on list-structures:)
(define (gma089869! s) (for-each gma085169! s) s)
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 20 2003
STATUS
approved