Geodesic

Volume 11 (2008) no. 1

Sommaire

Generating functions related to partition formulæ for Fibonacci numbers
New upper bounds for taxicab and cabtaxi numbers
Positive integers $n$ such that $\sigma(\varphi(n))=\sigma(n)$
Motzkin numbers, central trinomial coefficients and hybrid polynomials
Some properties of associated Stirling numbers
A partition formula for Fibonacci numbers
Primes in classes of the iterated totient function
Sets, lists and noncrossing partitions