5,1

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

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

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

Sequence in context: A005449 A113422 A061802 this_sequence A000148 A147672 A095091

Adjacent sequences: A003449 A003450 A003451 this_sequence A003453 A003454 A003455

nonn

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