On repdigits as product of $k$-Fibonacci and $k$-Lucas numbers

For an integer $k\geq2$, let $(F_n^{(k)})_{n\geq-(k-2)}$, $(L_n^{(k)})_{n \geq-(k-2)}$ be $k$-Fibonacci and $k$-Lucas sequences, respectively. For these sequences the first $k$ terms are $0,\ldots,0,1$ and $0,\ldots,0,2,1$, respectively, and each term afterwards is the sum of the preceding $k$ terms. In this paper, we determine all possibilities such that $F_n^{(k)} L_m^{(k)}$ can represent a repdigit.

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Publication Details

Journal
Mathematica Bohemica
Published
2025-01-27
DOI
https://doi.org/10.21136/mb.2025.0035-24
Primary Topic
Advanced Mathematical Theories and Applications
Type
article
Field-Weighted Citation Impact
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article

On repdigits as product of $k$-Fibonacci and $k$-Lucas numbers

Salah Eddine Rihane, Safia Seffah, Alain Togbé
Mathematica Bohemica
Advanced Mathematical Theories and Applications
article

On repdigits as product of $k$-Fibonacci and $k$-Lucas numbers

Salah Eddine Rihane, Safia Seffah, Alain Togbé
article en

Abstract

For an integer $k\geq2$, let $(F_n^{(k)})_{n\geq-(k-2)}$, $(L_n^{(k)})_{n \geq-(k-2)}$ be $k$-Fibonacci and $k$-Lucas sequences, respectively. For these sequences the first $k$ terms are $0,\ldots,0,1$ and $0,\ldots,0,2,1$, respectively, and each term afterwards is the sum of the preceding $k$ terms. In this paper, we determine all possibilities such that $F_n^{(k)} L_m^{(k)}$ can represent a repdigit.

Mathematica BohemicaVol. 151(1)
Openalex Percentile: Top 99%
Advanced Mathematical Theories and Applications
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