Journal of Integer Sequences, Vol. 23 (2020), Article 20.6.2

Fermat Padovan And Perrin Numbers

Salah Eddine Rihane
Department of Mathematics
Institute of Science and Technology
University Center of Mila

Chèfiath Awero Adegbindin
Institut de Mathématiques et de Sciences Physiques

Alain Togbé
Department of Mathematics, Statistics, and Computer Science
Purdue University Northwest
1401 S., U.S. 421
Westville, IN 46391


In this paper, we determine all the Padovan and Perrin numbers that are also Fermat numbers.

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(Concerned with sequences A000931 A001608 A019434.)

Received October 19 2019; revised versions received May 5 2020; May 6 2020; June 3 2020. Published in Journal of Integer Sequences, June 9 2020.

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