Stirling numbers of the first kind

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Stirling numbers of the first kind

[¦stər·liŋ ‚num·bərz əv th ŋ ′fərst ‚kind]
(mathematics)
The numbers s (n, r) giving the coefficient of x r in the falling factorial polynomial x (x - 1)(x - 2)⋯(x - n + 1).
References in periodicals archive ?
Let [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] be the Stirling number of the first kind (unsigned version).
Let [S.sub.n,m] denote the set of permutations of [S.sub.n] with m cycles, [s.sub.n,m], the unsigned Stirling number of the first kind, denote the cardinality of [S.sub.n,m], and [mu] = m/n.