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Perfect Pell and Pell–Lucas numbers

Studia Scientiarum Mathematicarum Hungarica, 2019
Abstract The Pell sequence is given by the recurrence Pn = 2Pn−1 + Pn−2 with initial condition P0 = 0, P1 = 1 and its associated Pell-Lucas sequence is given by the same recurrence relation but with initial condition Q0 = 2, Q1 = 2. Here we show that 6 is the only perfect number appearing in these sequences.
Jhon J. Bravo, Florian Luca
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s-PELL AND s-PELL-LUCAS NUMBERS AND THEIR PROPERTIES

Far East Journal of Mathematical Sciences (FJMS), 2017
We introduce new families of s-Pell and s-Pell-Lucas numbers and establish certain identities. We also present the recurrence relations and the generating functions for a particular case. © 2017 Pushpa Publishing House, Allahabad, India.
Kirgiz H., Uslu K.
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On the problem of Pillai with Pell numbers, Pell–Lucas numbers and powers of 3

International Journal of Number Theory, 2022
Let [Formula: see text] be the sequence of Pell numbers defined by [Formula: see text], [Formula: see text] and [Formula: see text] for all [Formula: see text] and let [Formula: see text] be its companion sequence, the Pell–Lucas numbers defined by [Formula: see text] and [Formula: see text] for all [Formula: see text].
Faye, Bernadette, Edjeou, Bilizimbéyé
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Pell and Pell–Lucas Numbers as Sums of Two Repdigits

Bulletin of the Malaysian Mathematical Sciences Society, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chèfiath Adegbindin   +2 more
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Some properties of starlike functions subordinate to k-Pell–Lucas numbers

Boletín de la Sociedad Matemática Mexicana, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Şahsene Altınkaya   +2 more
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Pell Numbers, Pell–Lucas Numbers and Modular Group

Algebra Colloquium, 2007
We show that the matrix A(g), representing the element g = ((xy)2(xy2)2)m (m ≥ 1) of the modular group PSL(2,Z) = 〈x,y : x2 = y3 = 1〉, where [Formula: see text] and [Formula: see text], is a 2 × 2 symmetric matrix whose entries are Pell numbers and whose trace is a Pell–Lucas number. If g fixes elements of [Formula: see text], where d is a square-free
Q. Mushtaq, U. Hayat
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Common Factors of Pell and Pell-Lucas numbers

2021
Progress in Applied Science and Technology, 11, 1, 7 ...
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Pell and Pell–Lucas Numbers

2014
Like Fibonacci and Lucas numbers, the Pell family is ubiquitous. Pell and Pell–Lucas numbers also provide boundless opportunities to experiment, explore, and conjecture; they are a lot of fun for inquisitive amateurs and professionals alike. In this chapter, we formally introduce the family, and cite their occurrences in earlier chapters, as well as ...
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The Binet Formulas for the Pell and Pell-Lucas p-Numbers.

Ars Comb., 2007
In this paper, we define the Pell and Pell-Lucas p-numbers and derive the analytical formulas for these numbers. These formulas are similar to Bin et's formula for the classical Pell numbers.
Kocer, E. Gokcen, Tuglu, Naim
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Hessenberg matrices and the Pell-Lucas and Jacobsthal numbers

2015
There are many relationships between the number theory and matrix theory. In this work, we defined two upper Hessenberg Matrices and then we showed that the permanents of these Hessenberg matrices are Pell-Lucas and Jacobsthal numbers. © 2015 Academic Publications, Ltd.
Aktaş, İbrahim, Köse, Hasan
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