Journal of Integer Sequences, Vol. 10 (2007), Article 07.4.2

The Average Order of the Dirichlet Series of the gcd-sum Function


Kevin A. Broughan
University of Waikato
Hamilton, New Zealand

Abstract:

Using a result of Bordellès, we derive the second term and improved error expressions for the partial sums of the Dirichlet series of the gcd-sum function, for all real values of the parameter.

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(Concerned with sequence A018804.)

Received February 28 2007; revised version received April 13 2007. Published in Journal of Integer Sequences April 13 2007.

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