Eulerian Numbers Associated with Arithmetical Progressions

Electronic Journal Of Combinatorics

José L. Ramírez¹ 

关键词: Eulerian number;    $r$-Whitney number;    $r$-Whitney-Eulerian number;    Combinatorial identities;    Unimodality;   

DOI  :  

学科分类：离散数学和组合数学

来源: Electronic Journal Of Combinatorics

【 摘 要 】

In this paper, we give a combinatorial interpretation of the $r$-Whitney-Eulerian numbers by means of coloured signed permutations. This sequence is a generalization of the well-known Eulerian numbers and it is connected to $r$-Whitney numbers of the seco

【 授权许可】

Others