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Revista Colombiana de Matemáticas
Print version ISSN 0034-7426
Abstract
MANTILLA, Jazmín L.; OLAYA-LEON, Wilson and RAMIREZ, José L.. Palindromic and Colored Superdiagonal Compositions. Rev.colomb.mat. [online]. 2022, vol.56, n.2, pp.133-143. Epub Feb 03, 2024. ISSN 0034-7426. https://doi.org/10.15446/recolma.v56n2.108370.
A superdiagonal composition is one in which the i-th part or summand is of size greater than or equal to i. In this paper, we study the number of palindromic superdiagonal compositions and colored superdiagonal compositions. In particular, we give generating functions and explicit combinatorial formulas involving binomial coefficients and Stirling numbers of the first kind.
Keywords : Compositions; palindromic compositions; colored compositions; generating functions; combinatorial identities.