The enumeration of permutations avoiding 2143 and 4231
Combinatorics
2011-08-05 v1
Abstract
We enumerate the pattern class Av(2143,4231) and completely describe its permutations. The main tools are simple permutations and monotone grid classes.
Cite
@article{arxiv.1108.0989,
title = {The enumeration of permutations avoiding 2143 and 4231},
author = {Michael Albert and M. D. Atkinson and Robert Brignall},
journal= {arXiv preprint arXiv:1108.0989},
year = {2011}
}