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Keywords:
Pell number; Pell-Lucas number; linear form in logarithms; continued fraction; reduction method
Pell number; Pell-Lucas number; linear form in logarithms; continued fraction; reduction method
Summary:
In this paper, we find all Pell and Pell-Lucas numbers written in the form $-2^a-3^b+5^c$, in nonnegative integers $a$, $b$, $c$, with $0\leq \max \{a,b\}\leq c$.
References:
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