Abstract
Let Sn be the symmetric group of all permutations of {1, . . . , n}. We show that
the number of distinct Wilf classes of subsets of exactly 8 and 9 four-letter patterns is 19002 and 16293, respectively
the number of distinct Wilf classes of subsets of exactly 8 and 9 four-letter patterns is 19002 and 16293, respectively
| Original language | English |
|---|---|
| Pages (from-to) | 257–283 |
| Journal | Journal of Combinatorics and Number Theory |
| Volume | 8 |
| Issue number | 3 |
| State | Published - 2016 |
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