Journal of Integer Sequences, Vol. 26 (2023), Article 23.2.2

On Tribonacci Numbers that are Products of Factorials

Adel Alahmadi
Research Group in Algebraic Structures and Applications
King Abdulaziz University
Jeddah
Saudi Arabia

Florian Luca
School of Mathematics
University of the Witwatersrand
1 Jan Smuts Avenue
Braamfontein 2050
Johannesburg
South Africa
and
Research Group in Algebraic Structures and Applications
King Abdulaziz University
Jeddah
Saudi Arabia
and
Centro de Ciencias Matemáticas UNAM
Morelia
México

Abstract:

We determine all Tribonacci numbers of positive or negative indices that are products of factorials.

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(Concerned with sequence A000073.)

Received November 3 2022; revised versions received February 3 2023; February 18 2023. Published in Journal of Integer Sequences, February 23 2023.

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