Geodesic

Sommaire du Fascicule no. 1

Dyck paths with no peaks at height $k$
Hankel matrices and lattice paths
Extended Bell and Stirling numbers from hypergeometric exponentiation
The Hankel transform and some of its properties
On powers of 2 dividing the values of certain plane partition functions
Algorithms for Bernoulli numbers and Euler numbers

Sommaire du Fascicule no. 2

Improved bounds on the number of ternary square-free words
A million new amicable pairs
Arithmetic and growth of periodic orbits
Integral representations of Catalan and related numbers
Prime Pythagorean triangles
The gcd-sum function
Permutations with inversions