5,2

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

R. C. Read, On general dissections of a polygon, Aequat. Math. 18 (1978), 370-388.

P. Lisonek, Closed forms for the number of polygon dissections. Journal of Symbolic Computation 20 (1995), 595-601.

Sequence in context: A002742 A048120 A003759 this_sequence A115220 A072854 A147944

Adjacent sequences: A003447 A003448 A003449 this_sequence A003451 A003452 A003453

nonn

N. J. A. Sloane (njas(AT)research.att.com).