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The Enumeration of Permutations Avoiding 3124 and 4312

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Abstract

We find the generating function for the class of all permutations that avoid the patterns 3124 and 4312 by showing that it is an inflation of the union of two geometric grid classes.

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  1. Department of Mathematics, University of Florida, Gainesville, FL, 32611, USA

    Jay Pantone

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  1. Jay Pantone
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Correspondence to Jay Pantone.

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Pantone, J. The Enumeration of Permutations Avoiding 3124 and 4312. Ann. Comb. 21, 293–315 (2017). https://doi.org/10.1007/s00026-017-0352-2

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  • DOI: https://doi.org/10.1007/s00026-017-0352-2

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