Teaching the Inquiry Process Through Experimental Mathematics, PRIMUS: Problems, Resources, and Issues

Authors

Charles Cratty, Westminster College
Samuel Erickson, Minnesota State University Moorhead
Frehiwet Negassi, Saint Joseph's College
Lara Pudwell, Valparaiso University

Document Type

Article

Publication Date

2017

Journal Title

Involve: A Journal of Mathematics

Volume

10

Issue

3

Abstract

We consider pattern avoidance in a subset of words on {1,1,2,2,…,n,n} called double lists. We enumerate double lists avoiding any permutation pattern of length at most 4 and completely determine the corresponding Wilf classes.

Recommended Citation

Charles Cratty, Samuel Erickson, Frehiwet Negassi, and Lara Pudwell, Pattern avoidance in double lists, Involve, a Journal of Mathematics 10.3 (2017), 379-398.