Wilf Equivalent

Two sets and are called Wilf equivalent if they belong to the same Wilf class.

See also

Wilf Class, Permutation Pattern

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References

Mansour, T. "Permutations Avoiding a Pattern from

and at Least Two Patterns from

." 31 Jul 2000. http://arxiv.org/abs/math.CO/0007194.

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Wilf Equivalent

Cite this as:

Weisstein, Eric W. "Wilf Equivalent." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/WilfEquivalent.html

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