0,1

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

W. G. Brown, Enumeration of triangulations of the disk, Proc. London Math. Soc., 14 (1964), 746-768.

Sequence in context: A074876 A165964 A005618 this_sequence A052124 A013030 A124962

Adjacent sequences: A005492 A005493 A005494 this_sequence A005496 A005497 A005498

nonn

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