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On The Number of Binomial Coefficients Which are Divisible by Their Row Number: II
Published online by Cambridge University Press: 20 November 2018
Abstract
If n is a natural number, let A(n) denote the number of integers, k, such that 0 < k < n and n divides . Let ϕ(n) denote Euler's totient function. Necessary and sufficient conditions are given so that A(n) = ϕ(n) when n is square-free.
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- Copyright © Canadian Mathematical Society 1985
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