The number of {1243, 2134}-avoiding permutationsArticle
Authors: David Callan 1
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David Callan
1 Department of Statistics, University of Wisconsin-Madison, USA
We show that the counting sequence for permutations avoiding both of the
(classical) patterns 1243 and 2134 has the algebraic generating function
supplied by Vaclav Kotesovec for sequence A164651 in The On-Line Encyclopedia
of Integer Sequences.