H. G. Grundman Escalator Number Sequences

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Paul K. Stockmeyer A Smooth Tight Upper Bound for the Fibonacci Representation Function R(n)

103

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Kiyota Ozeki On Melham's Sum

107

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Jin-Hui Fang On almost superperfect numbers

111

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Roger E. Zarnowski The Congruence Structure of the 3x + 1 Map

115

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Ligia L. Cristea and Helmut Prodinger q-Enumeration of Up-Down Words By Number of Rises

126

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Marjorie Bicknell-Johnson (Reviewer) Julia Robinson and Hilbert's Tenth Problem (DVD)

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Guodong Liu An Identity Involving the Lucas Numbers and Stirling Numbers

136

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Pierluigi Magli Identities involving Bernoulli numbers related to sums of powers of integers

140

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John Greene The Unboundedness of a Family of Difference Equations Over the Integers

146

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Hideyuki Ohtsuka and Shigeru Nakamura On the Sum of Reciprocal Fibonacci Numbers

153

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Thomas McKenzie and Shannon Overbay Purely Periodic Second Order Linear Recurrences

160

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Mourad E. H. Ismail One Parameter Generalizations of the Fibonacci and Lucas Numbers

167

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Elementary Problems and Solutions (Edited by Russ Euler and Jawad Sadek)

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Advanced Problems and Solutions (Edited by Florian Luca)

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