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On the Euler Function of Y-Coordinates of Pell Equations and Repdigits
Journal article   Peer reviewed

On the Euler Function of Y-Coordinates of Pell Equations and Repdigits

Adel Alahmadi and Florian Luca
Resultate der Mathematik, Vol.77(2)
01/04/2022

Abstract

Mathematics Mathematics, Applied Physical Sciences Science & Technology
Here we look at the Diophantine equation obtained by imposing that the Euler function of a member of the Y-coordinates of the Pell equation X-2 - dY(2) = +/- 1, +/- 4 is a base 10-repdigit.

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