Volume 43 
Number 4 
November 2005 
Gospava B. Djordjević
On the Kthorder derivative sequences of generalized Fibonacci and Lucas
polynomials
 290 
Abstract 
Full text
M. A. Nyblom
On the spectrum of real numbers revisited
 299 
Full tex
B. Srinivasa Rao
Heptagonal numbers in the associated Pell sequence and Diophantine equations
x^{2}(5x  3)^{2} = 8y^{2} ± 4
 302 
Full tex
Toufik Mansour
Generalizations of some identities involving the Fibonacci numbers
 307 
Full tex
Michael D. Hirschhorn
Nontrivial intertwined secondorder recurrence relations
 316 
Full tex
Peter G. Anderson
Book Review: "Proofs that Really Count: The Art of Combinatorial Proof",
by Arthur T. Benjamin and Jennifer J. Quinn
 326 
Full tex
José Plínio O. Santos and Miloš Ivković
Polynomial generalizations of the Pell sequences and the Fibonacci sequence
 328 
Abstract 
Full tex
Daniel P. Biebighauser and Gerald A. Heuer
Final digit strings of powers where the exponents end in 1, 3, 7 or 9
 339 
Abstract 
Full tex
Xia Jianguo and Qin Hourong
On reverse order numbers of certain sequences and the Jacobi symbol
 351 
Abstract 
Full tex
Yidong Sun
Numerical triangles and several classical sequences
 359 
Abstract 
Full tex
Elementary Problems and Solutions
(Edited by Russ Euler and Jawad Sadek)
 371 
Full tex
Advanced Problems and Solutions
(Edited by Florian Luca)
 377 
Full tex
Full tex
