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Fibonacci numbers that are not sums of two prime powers
Authors:Florian Luca   Pantelimon Stanica
Affiliation:IMATE, UNAM, Ap. Postal 61-3 (Xangari), CP. 58 089, Morelia, Michoacán, Mexico ; Department of Mathematics, Auburn University Montgomery, Montgomery, Alabama 36124-4023
Abstract:In this paper, we construct an infinite arithmetic progression $mathcal A$ of positive integers $n$ such that if $nin {mathcal A}$, then the $n$th Fibonacci number is not a sum of two prime powers.

Keywords:Fibonacci numbers   arithmetic progressions   covering system of congruences.
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