Fibonacci Quarterly
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Volume 28 Number 1 February 1990

CONTENTS

Cover Page

Referees 2
     Full text [Part 1] [Part 2]

Br. J. M. Mahon and A. F. Horadam
Third-Order Diagonal Functions of Pell Polynomials
3
     Full text

Peter Hagis, Jr.
Odd Nonunitary Perfect Numbers
11
     Full text

Announcement: Fourth International Conference on Fibonacci Numbers and Their Applications 15
     Full text

Esayas George Kundert
A Von Staudt-Clausen Theorem for Certain Bernoullianlike Numbers and Regular Primes of the First and Second Kind
16
     Full text

Clark Kimberling
Fibonacci Hyperbolas
22
     Full text

Derek K. Chang
On Circular Fibonacci Binary Sequences
28
     Full text

Supriya Mohanty and S. P. Mohanty
Pythagorean Numbers
31
     Full text

N. Balasubramanian
On Friendly-Pairs of Arithmetic Functions
43
     Full text

Lee Knisley Sanders
A Proof from Graph Theory for a Fibonacci Identity
48
     Full text

M. G. Monzingo
On the Sum ∑a=1p-1 (a/p)a
56
     Full text

Dan Kalman
Sums of Powers by Matrix Methods
60
     Full text

Konrad Engel
On the Fibonacci Number of an M × N Lattice
72
     Full text

J. W. Sander
On Fibonacci Primitive Roots
79
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Ivan Gutman and Sven J. Cyvin
A Result on 1-Factors Related to Fibonacci Numbers
81
     Full text

Edited by A. P. Hillman
Elementary Problems and Solutions
85
     Full text

A. F. Horadam and J. Lahr
Letter to the Editor
90
     Full text

Edited by Raymond E. Whitney
Advanced Problems and Solutions
91
     Full text

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