Geodesic

Volume 10 (2007) no. 7

Sommaire

Semiorders and Riordan numbers
Transformations preserving the Hankel transform
On the number of labeled $k$-arch graphs
On the behavior of a variant of Hofstadter's $Q$-sequence
Asymptotics for Lacunary sums of binomial coefficients and a card problem with ranks
Motzkin numbers of higher rank: generating function and explicit expression
Generalized Schröder numbers and the rotation principle
The Lagrange inversion formula and divisibility properties