Counting occurrences of 132 in a permutation

Toufik Mansour; Alek Vainshtein

doi:10.1006/aama.2001.0773

Counting occurrences of 132 in a permutation

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Abstract

We study the generating function for the number of permutations on n letters containing exactly r ≥ 0 occurrences of 132. It is shown that finding this function for a given r amounts to a routine check of all permutations in S_2r.

Original language	English
Pages (from-to)	185-195
Number of pages	11
Journal	Advances in Applied Mathematics
Volume	28
Issue number	2
DOIs	https://doi.org/10.1006/aama.2001.0773
State	Published - 2002

ASJC Scopus subject areas

Applied Mathematics

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title = "Counting occurrences of 132 in a permutation",

abstract = "We study the generating function for the number of permutations on n letters containing exactly r ≥ 0 occurrences of 132. It is shown that finding this function for a given r amounts to a routine check of all permutations in S2r.",

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JO - Advances in Applied Mathematics

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Counting occurrences of 132 in a permutation

Abstract

ASJC Scopus subject areas

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