OFFSET
0,3
COMMENTS
Inverse permutation: A071670 and also its car/cdr-flipped conjugate. See formulas.
LINKS
Robert Donaghey, Automorphisms on Catalan trees and bracketing, J. Combin. Theory, Series B, 29 (1980), 75-90.
Antti Karttunen, On the fixed points of A071661, OEIS Wiki, notes concerning this and related sequences. See especially at the end.
Antti Karttunen, Gatomorphisms (Includes the complete Scheme source for computing this sequence).
FORMULA
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 30 2002
STATUS
approved