Geodesic

Tome 14 (2011) no. 5

Sommaire

Hankel transforms of linear combinations of Catalan numbers
A formula for the generating functions of powers of Horadam's sequence with two additional parameters
A restricted random walk defined via a Fibonacci process
Appending digits to generate an infinite sequence of composite numbers
Full subsets of \(\mathbb N\)
Quasi-amicable numbers are rare
Integer sequences, functions of slow increase, and the Bell numbers
On the solutions of \(\sigma (n) = \sigma (n+k)\)