1. Diviseurs Des Nombres Ellipséphiques

   • Sylvain Col

   OriginalPaper 14 March 2009 Pages: 1 - 23

2. The number of triangular islands on a triangular grid

   • Eszter K. Horváth
   • Zoltán Németh
   • Gabriella Pluhár

   OriginalPaper 14 March 2009 Pages: 25 - 34

3. An application of index forms in cryptography

   • Attila Bérczes
   • István Járási

   OriginalPaper 14 March 2009 Pages: 35 - 45

4. The strip of minimum width covering a centrally symmetric set of points

   • Mario Huicochea
   • Jesús Jerónimo-Castro

   OriginalPaper 14 March 2009 Pages: 47 - 58

5. On the family of diophantine triples {k + 1, 4k, 9k + 3}

   • Bo He
   • Alain Togbé

   OriginalPaper 14 March 2009 Pages: 59 - 70

6. Series and product representations for some mathematical constants

   • Horst Alzer
   • Stamatis Koumandos

   OriginalPaper 14 March 2009 Pages: 71 - 82

7. Combinatorial numbers in binary recurrences

   • Tünde Kovács

   OriginalPaper 14 March 2009 Pages: 83 - 98

8. Concatenation of pseudorandom binary sequences

   • Katalin Gyarmati

   OriginalPaper 14 March 2009 Pages: 99 - 120

9. Large regular simplices contained in a hypercube

   • Hiroshi Maehara
   • Imre Z. Ruzsa
   • Norihide Tokushige

   OriginalPaper 14 March 2009 Pages: 121 - 126

10. Book Reviews

    • József Németh
    • B. G. Pusztai

    BookReview 14 March 2009 Pages: 127 - 128