Restricted Dumont permutations

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We analyze the structure and enumerate Dumont permutations of the first and second kinds avoiding certain patterns or sets of patterns of length 3 and 4. Some cardinalities are given by Catalan numbers, powers of 2, little Schroeder numbers, and other known or related sequences.
12 pages, LaTeX

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Combinatorics, 05A05, 05A15

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http://salesiana.dossiersoluciones.com/handle/123456789/70252

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0402378
 http://arxiv.org/abs/math/0402378

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arXiv