Enumeration schemes for permutations avoiding barred patterns
The electronic journal of combinatorics, Tome 17 (2010)

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Zbl EuDML
We give the first comprehensive collection of enumeration results for permutations that avoid barred patterns of length $\leq 4$. We then use the method of prefix enumeration schemes to find recurrences counting permutations that avoid a barred pattern of length $>4$ or a set of barred patterns.
DOI : 10.37236/301
Classification : 05A05
Lara Pudwell. Enumeration schemes for permutations avoiding barred patterns. The electronic journal of combinatorics, Tome 17 (2010). doi: 10.37236/301
@article{10_37236_301,
     author = {Lara Pudwell},
     title = {Enumeration schemes for permutations avoiding barred patterns},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/301},
     zbl = {1215.05006},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/301/}
}
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