Narayana number

名词 n.

英文释义

名词 n.
  1. 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.

词形变化

Narayana numbers plural

词源

Named after Canadian mathematician T. V. Narayana (1930–1987).
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