Geodesic

Volume 17 (2014) no. 1

Sommaire

On the lcm-sum function
Enumeration of edges in some lattices of paths
On the log-concavity of the hyperfibonacci numbers and the hyperlucas numbers
A new approach to multivariate q-Euler polynomials using the umbral calculus
On the number of fixed-length semiorders
On a conjecture of Farhi
Periodicity of the last digits of some combinatorial sequences
On a congruence of Kimball and Webb involving Lucas sequences