OFFSET
0,3
COMMENTS
This automorphism reflects non-crossing handshakes (the interpretation n of Stanley's exercise 19) over the diagonal that goes through corner at "1 o'clock".
LINKS
A. Karttunen, Gatomorphisms (Includes the complete Scheme program for computing this sequence)
R. P. Stanley, Exercises on Catalan and Related Numbers
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Apr 16 2002, suggested by Wouter Meeussen Dec 15 2001.
STATUS
approved