On the divisibility F-k vertical bar F-x(2) + F-x+1

Luca, F; Pongsriiam, P; Szalay, L

Pongsriiam, P (corresponding author), Silpakorn Univ, Fac Sci, Dept Math, Nakhon Pathom 73000, Thailand.

SCIENCEASIA, 2021; 47 (1): 106

Abstract

Let F-n and L-n be the nth Fibonacci and Lucas numbers, respectively. We show that if F-k vertical bar F-x(2) + F-x + 1, then k is an element of{4,7};......

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