OFFSET
3,1
LINKS
Juanjo Rué, Enumeration and limit laws of dissections on a cylinder, Discrete Math., 310 (2010), 2519-2541.
FORMULA
The reference gives an explicit g.f.
CROSSREFS
Cf. A169997.
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 29 2010
STATUS
approved