Abstract
Let Sn be the symmetric group of all permutations of n letters. We show that there are precisely 64 Wilf classes consisting of exactly 2 symmetry classes of subsets of four 4-letter patterns.
| Original language | English |
|---|---|
| Pages (from-to) | 210-225 |
| Number of pages | 16 |
| Journal | Turkish Journal of Analysis and Number Theory |
| Volume | 5 |
| Issue number | 6 |
| DOIs | |
| State | Published - 2017 |