Catalan numbers

A form of Catalan number — In combinatorial mathematics, any of a sequence of natural numbers that occur in various counting problems, often involving recursively defined objects; the nᵗʰ Catalan number is equal to (2n choose n) over (n+1).

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Meanings

noun
  1. pluralplural of Catalan number
Cite this entry
APA

Catalan numbers. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Catalan%20numbers

MLA

“Catalan numbers.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Catalan%20numbers. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Catalan numbers,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Catalan%20numbers.

Source: Catalan numbers on Wiktionary, CC BY-SA 4.0.