OFFSET
0,3
COMMENTS
This Catalan bijection arises when we apply the Catalan bijection A085170 to the left subtree and keep the right subtree intact.
LINKS
PROG
(Scheme function implementing this automorphism on list-structures:)
(define (gma089868! s) (if (pair? s) (gma085170! (car s))) s)
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 20 2003
STATUS
approved