collaborators

1 paper

math.CO2016

Wilf classification of triples of 4-letter patterns

David Callan, Toufik Mansour, Mark Shattuck

We determine all 242 Wilf classes of triples of 4-letter patterns by showing that there are 32 non-singleton Wilf classes. There are 317 symmetry classes of triples of 4-letter pat…