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Permutations avoiding a set of patterns from S_3 and a pattern from S_4

T. Mansour

Published 1999-09-02Version 1

In this paper we calculate the cardinality of the set S_n(T,tau) of all permutations in S_n that avoid one pattern from S_4 and a nonempty set of patterns from S_3.

Categories: math.CO
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