<abstract xmlns="http://www.w3.org/1999/xhtml"><p> We enumerate permutations avoiding 1324, 2143, 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 five patterns τ, which are treated in this paper.</p></abstract>

We enumerate permutations avoiding 1324, 2143, 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 five patterns τ, which are treated in this paper.

On permutations avoiding 1324, 2143, and another 4-letter pattern

Pure Mathematics and Applications

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"On permutations avoiding 1324, 2143, and another 4-letter pattern"}

We enumerate permutations avoiding 1324, 2143, and a third 4-letter pattern τ a step toward the goal of enumerating avoiders for all triples of 4-letter...

On permutations avoiding 1324, 2143, and another 4-letter pattern

Publié en ligne: 14 juil. 2017

Pages: 1 - 10

Reçu: 07 juin 2016

DOI: https://doi.org/10.1515/puma-2015-0018

Mots clés
pattern avoidance

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

On permutations avoiding 1324, 2143, and another 4-letter pattern

Publié en ligne: 14 juil. 2017

Pages: 1 - 10

Reçu: 07 juin 2016

DOI: https://doi.org/10.1515/puma-2015-0018

Mots cléspattern avoidance

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
pattern avoidance