A Classification of Motzkin Numbers Modulo 8

Electronic Journal Of Combinatorics

Ying Wang¹ 

关键词: Motzkin numbers;    Congruence classes;   

DOI  :  

学科分类：离散数学和组合数学

来源: Electronic Journal Of Combinatorics

【 摘 要 】

The well-known Motzkin numbers were conjectured by Deutsch and Sagan to be nonzero when modulo $8$. The conjecture was first proved by Sen-Peng Eu, Shu-chung Liu and Yeong-Nan Yeh by using the factorial representation of the Catalan numbers. We present a

【 授权许可】

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