Catalan's Problem

Author

Eric W. Weisstein
October 29, 2004

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Combinatorics/CatalansProblem.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/CatalansProblem.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Enumeration

Multifactorial[n_,k_]:=Times@@Range[n,1,-k]

<<DiscreteMath`CombinatorialFunctions`

Table[{
((Multifactorial[4n-6,4])/(n!)),
CatalanNumber[n-1]},
{n,10}]