Difference between revisions of "Catalan number"
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Latest revision as of 17:52, 13 May 2016
In combinatorial mathematics, the Catalan numbers form a sequence of natural numbers that occur in various counting problems (see Enumeration), often involving recursively-defined objects.
They are named after the Belgian mathematician Eugène Charles Catalan (1814–1894).
See also
External links
- Catalan number @ Wikipedia.com
