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Exact p-adic valuations of Stirling numbers of the first kind

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Abstract For any positive integer k and prime p, we define an explicit set A k , p of positive integers n, having positive upper and lower density, on which… Click to show full abstract

Abstract For any positive integer k and prime p, we define an explicit set A k , p of positive integers n, having positive upper and lower density, on which the p-adic valuation of the Stirling number of the first kind s ( n + 1 , k + 1 ) is a nondecreasing function of n and is given exactly by a simple formula. This is motivated by, and extends, some recent results of Lengyel.

Keywords: exact adic; kind; stirling numbers; valuations stirling; adic valuations; first kind

Journal Title: Journal of Number Theory
Year Published: 2017

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