On Fibonacci-like sequences.
On general dissections of a polygon.
On general dissections of a polygon. (Short Communication).
On generalizations of the Stirling number triangles.
On generalized Dyck paths.
On generating functions involving the square root of a quadratic polynomial.
On generating series of coloured planar trees.
On Hultman numbers.
On independent sets
On -colored Motzkin words.
On lattice path counting by major and descents.
On Legendre numbers of the second kind.
On multi-avoidance of right angled numbered polyomino patterns.
On multiperiodic infinite recursions and their finite core.
On multiple interpolation functions of the Nörlund-type -Euler polynomials.
On multiple sums of products of Lucas numbers.
On multiplicities of points on Schubert varieties in Grassmannians.
On noncrossing and nonnesting partitions for classical reflection groups.
On number of covering arcs in orderings
On packing densities of permutations.