Volume 31 
Number 2 
May 1993 
R. Dutton, N. Chandrasekharam, and R. Brigham
On the Number of Independent Sets of Nodes in a Tree
 98 
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A. G. Shannon and R. S. Melham
Carlitz Generalizations of Lucas and Lehmer Sequences
 105 
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Ashley Melia Reiter
Determining the Dimension of Fractals Generated by Pascal's Triangle
 112 
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Paul Peart and Leon Woodson
Triple Factorization of Some Riordan Matrices
 121 
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S. Bhargava, Chandrashekar Adiga, and D. D. Somashekara
ThreeSquare Theorem as an Application of Andrews' Identity
 129 
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Derek Jennings
Some Polynomial Identities for the Fibonacci and Lucas Numbers
 134 
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Anne Ludington Young
A Variation on the TwoDigit Kaprekar Routine
 138 
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Announcement: Sixth International Conference
 145 
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Curtis Cooper and Robert E. Kennedy
On Consecutive Niven Numbers
 146 
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Gospava B. Dordevic
Mixed Fermat Convolutions
 152 
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Herman Haase
Hyperspaces and Fibonacci Numbers
 158 
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Joachim Zöllner
A Disjoint System of Linear Recurring Sequences Generated by u_{n+2} = u_{n+1} + u_{n} Which Contains Every Natural Number
 162 
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Book Announcement: "Generalized Pascal Triangles and Pyramids. Their Fractals
Graphs and Applications" by Boris A. Bondarenko
 165 
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A. F. Horadam
Associated Sequences of General Order
 166 
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Adino Di Porto
Nonexistence of Even Fibonacci Pseudoprimes of the 1st Kind
 173 
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Michael J. J. Barry and Anthonly J. Lo Bello
The Moment Generating Function of the Geometric Distribution of Order k
 178 
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Edited by Stanley Rabinowitz
Elementary Problems and Solutions
 181 
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Edited by Raymond E. Whitney
Advanced Problems and Solutions
 187 
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