On determining paint by numbers puzzles with nonunique solutions.
On dissections of the n-cube
On divisibility of Narayana numbers by primes.
On elementary lower bounds for the partition function.
On entropies of occupancy distributions
On Fibonacci-like sequences.
On Fleck quotients
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 generalized symmetric means and Stirling numbers of the second kind
On generating functions involving the square root of a quadratic polynomial.
On generating series of coloured planar trees.
On Genocchi numbers and polynomials.
On growth rates of closed permutation classes.
On growth rates of permutations, set partitions, ordered graphs and other objects.
On Hales-Jewett's theorem.
On Hallian digraphs, permanents and transversals
On Hall's condition in transversal theory.