Abstract
We enumerate permutations avoiding 1243, 2134, and a third 4-letter pattern τ, a step toward the goal of enumerating avoiders for all triples of 4-letter patterns. The enumeration is already known for all but three patterns τ, which are treated in this paper.
Original language | English |
---|---|
Pages (from-to) | 11-21 |
Number of pages | 11 |
Journal | Pure Mathematics and Applications |
Volume | 26 |
Issue number | 1 |
DOIs | |
State | Published - 2017 |