Geodesic

Sommaire du Fascicule no. 1

Beukers' integrals and Apéry's recurrences
A combinatorial interpretation for a super-Catalan recurrence
A recursive relation for weighted Motzkin sequences
An estimate for Frobenius' Diophantine problem in three dimensions
Generalized number derivatives
Concatenations with binary recurrent sequences
Bijective proofs of parity theorems for partition statistics
Newton, Fermat, and exactly realizable sequences

Sommaire du Fascicule no. 2

On divisibility of Narayana numbers by primes
Counting unlabelled topologies and transitive relations
The Fibonacci number of a grid graph and a new class of integer sequences
Pattern avoidance in matrices
On the density of languages representing finite set partitions
A combinatorial interpretation of the numbers 6(2n)!/n!(n+2)!
Hyper-sums of powers of integers and the Akiyama-Tanigawa matrix
Elliptic curves and continued fractions

Sommaire du Fascicule no. 3

On families of nonlinear recurrences related to digits
A note on arithmetic progressions on quartic elliptic curves
A self-indexed sequence
Curves of genus 2, continued fractions, and Somos sequences
Sloping binary numbers: a new sequence related to the binary numbers
On some (pseudo) involutions in the Riordan group
Prime and composite terms in Sloane's sequence A056542
The descent set and connectivity set of a permutation

Sommaire du Fascicule no. 4

Determining Mills' constant and a note on Honaker's problem
A note on the enumeration of diffusion walks in the first octant by their number of contacts with the diagonal
Primes in Fibonacci n-step and Lucas n-step sequences
Kaprekar triples
Sequences of definite integrals, factorials and double factorials
A Catalan transform and related transformations on integer sequences
On a sequence arising in algebraic geometry
Twin prime statistics

Sommaire du Fascicule no. 5

Maximum product over partitions into distinct parts
Animals and 2-Motzkin paths
Sequences that satisfy a(n−a(n))=0
On generalized Fibonacci polynomials and Bernoulli numbers
Perfect powers with all equal digits but one
On the number of representations of an integer by a linear form
Parity theorems for statistics on lattice paths and Laguerre configurations
On a restricted m-non-squashing partition function