Generalized catalan numbers associated with a family of pascal-like triangles

Barry, Paul (2019) Generalized catalan numbers associated with a family of pascal-like triangles. Journal of Integer Sequences, 22 (5). ISSN 1530-7638

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Abstract

We find closed-form expressions and continued fraction generating functions for a family of generalized Catalan numbers associated with a set of Pascal-like number triangles that are defined by Riordan arrays. We express these generalized Catalan numbers as the moments of appropriately defined orthogonal polynomials. We also describe them as the row sums of related Riordan arrays. Links are drawn to the Narayana numbers and to lattice paths. We further generalize this one-parameter family to a three-parameter family. We use the generalized Catalan numbers to define generalized Catalan triangles. We define various generalized Motzkin numbers defined by these general Catalan numbers. Finally we indicate that the generalized Catalan numbers can be associated with certain generalized Eulerian numbers by means of a special transform.

Item Type:	Article
Additional Information:	Publisher Copyright: © 2019, University of Waterloo. All rights reserved.
Uncontrolled Keywords:	/dk/atira/pure/subjectarea/asjc/2600/2607
Departments or Groups:
Depositing User:	Admin SSL
Date Deposited:	19 Oct 2022 23:04
Last Modified:	02 Jul 2023 02:45
URI:	http://repository-testing.wit.ie/id/eprint/3873

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