# Noncrossing Partitions

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One of the many interpretations of the Catalan numbers is that they count the number of noncrossing partitions of the set .

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Contributed by: Robert Dickau (April 2012)

Open content licensed under CC BY-NC-SA

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Reference

[1] R. P. Stanley, *Enumerative Combinatorics*, Vol. 2, Cambridge: Cambridge University Press, 1999 p. 226.

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