Fibonacci and Lucas Numbers of the Form $-2^a-3^b-5^c+7^d$

oleh: SofĂ­a Ibarra, Luis Manuel Rivera

Format: Article
Diterbitkan: Universidad Industrial de Santander 2024-05-01

Deskripsi

In this note we find all Fibonacci and Lucas numbers of the form $-2^a-3^b-5^c+7^d$ where $a, b, c, d$ are non-negative integers, with $0 \leq \max\{a, b, c\}\leq d$. This result gives an answer to a question posed by Qu, Zeng and Cao.