Enumerating Triangulations by Parallel Diagonals
Department of Mathematical Sciences
Northern Illinois University
The triangulations of a regular polygon are enumerated according to the
number of diagonals parallel to a fixed edge. We also point out the
connection to Dyck paths avoiding certain points on the x-axis.
Full version: pdf,
(Concerned with sequences
Received August 21 2012;
revised version received October 5 2012.
Published in Journal of Integer Sequences, October 5 2012.
Journal of Integer Sequences home page