Narayana number
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English
[edit]Etymology
[edit]Named after Canadian mathematician T. V. Narayana (1930–1987).
Noun
[edit]Narayana number (plural Narayana numbers)
- (combinatorics) Any of the triangular array of natural numbers defined by N(n, k), n = 1, 2, 3 ..., 1 ≤ k ≤ n, occurring in various counting problems.