OFFSET
3,2
REFERENCES
K. L. McAvaney, Counting stable trees, pp. 79-85 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974.
K. L. McAvaney, personal communication.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
K. L. McAvaney, Letter to N. J. A. Sloane, May 1975
CROSSREFS
KEYWORD
nonn,more
AUTHOR
STATUS
approved