Article ID Journal Published Year Pages File Type
4655668 Journal of Combinatorial Theory, Series A 2012 13 Pages PDF
Abstract

We prove the following conjecture of Zeilberger. Denoting by Cn the Catalan number, define inductively An by and an=2An/Cn. Then an (hence An) is a positive integer.

Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics