PELL FACTORIANGULAR NUMBERS

Luca, F; Odjoumani, J; Togbe, A

Luca, F (reprint author), Univ Witwatersrand, Sch Math, Johannesburg, South Africa.; Luca, F (reprint author), UNAM, Ctr Ciencias Matemat, Morelia, Michoacan, Mexico.; Luca, F (reprint author), King Abdulaziz Univ, Jeddah, Saudi Arabia.

PUBLICATIONS DE L INSTITUT MATHEMATIQUE-BEOGRAD, 2019; 105 (119): 93

Abstract

We show that the only Pell numbers which are factoriangular are 2, 5 and 12.

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