Narayana number
(informal, idiomatic) To go from a standing position to a sitting one.
A surname from Punjabi.
Third-person singular simple present indicative form of dead-pan
(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.
特定の格子路を数えるために、彼女は洞察を得るために組合せ論で定義される自然数の三角配列の項 N(5,2) を参照した。
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