Enumerations of some pattern-avoiding Fishburn permutations

Published 27 Feb 2023 in math.CO | (2302.13767v3)

Abstract: In this paper, we prove two conjectures of Egge on the enumeration of several classes of pattern-avoiding Fishburn permutations. Our results include enumerating Fishburn permutations avoiding pattern 321 and one of the following three types of classical patterns: a pattern of size 4, two patterns of size 4, or a pattern of size 5.

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