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.
On pattern-avoiding partitions.
On -analogs of recursions for the number of involutions and prime order elements in symmetric groups.
On Sequences satisfying .
On some analogues of descent numbers and major index for the hyperoctahedral group.
On some identities for the Fibonomial coefficients
On some (pseudo) involutions in the Riordan group.
On Stanley's partition function.