x-Coordinates of Pell equations which are Tribonacci numbers II

For an integer d ≥ 2 which is not a square, we show that there is at most one value of the positive integer x participating in the Pell equation x 2 - d y 2 = ± 4 which is a Tribonacci number, with a few exceptions that we completely characterize.

Bibliographische Detailangaben

Veröffentlicht in:	Periodica mathematica Hungarica 2019-12, Vol.79 (2), p.157-167
Hauptverfasser:	Kafle, Bir, Luca, Florian, Togbé, Alain
Format:	Artikel
Sprache:	eng
Schlagworte:	Integers Mathematics Mathematics and Statistics Numbers
Online-Zugang:	Volltext
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