Fibonacci Quarterly
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Volume 59 Number 1 February 2021

CONTENTS

In Memoriam -- Gerald E. Bergum 2
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Fibonacci Conference Announcement 3
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Thomas Koshy
Extended Gibonacci Sums of Polynomial Products of Orders 4 and 5
3
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Kendra Killpatrick and Jordan Weaver
A Bijection for the Fibonomial Coefficients
14
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F. Michel Dekking
How to Add Two Natural Numbers in Base Phi
19
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Thomas Koshy
Extended Gibonacci Sums of Polynomial Products of Orders 4 and 5 Revisited
23
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Saralee Aursukaree and Prapanpong Pongsriiam
On Exactly 3-Deficient-Perfect Numbers
33
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A. G. Shannon and R. L. Ollerton
A Note on Ledin's Summation Problem
47
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Asim Patra, Gopal Krishna Panda, and Tammatada Khemaratchatakumthorn
Exact Divisibility by Powers of the Balancing and Lucas-Balancing Numbers
57
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Yao-Qiang Li
Divisibility Properties of Factors of the Discriminant of Generalized Fibonacci Numbers
65
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Xianzu Lin
Values of Bernoulli and Euler Polynomials at Rational Points
78
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Elementary Problems and Solutions
(Edited by Harris Kwong)
82
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Advanced Problems and Solutions
(Edited by Florian Luca)
89
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