A new proof of a theorem of Mansour and Sun

TL;DR

This paper presents a novel proof of a theorem by Mansour and Sun, utilizing number theory and Rothe's identity to provide new insights and methods.

Contribution

The paper introduces a new proof technique combining number theory and Rothe's identity for Mansour and Sun's theorem.

Findings

New proof offers alternative perspective on the theorem

Method may be applicable to related combinatorial identities

Enhances understanding of the theorem's underlying structure

Abstract

We give a new proof of a theorem of Mansour and Sun by using number theory and Rothe's identity.