Enumeration of bilaterally symmetric 3-noncrossing partitions

Enumeration of chord diagrams

Enumeration of closed random walks in the square lattice according to their areas

Enumeration of concave integer partitions

Enumeration of connected Catalan objects by type

Enumeration of Cylindric Plane Partitions - part I

Enumeration of derangements with descents in prescribed positions

Enumeration of edges in some lattices of paths

Enumeration of generalized polyominoes

Enumeration of Golomb Rulers and Acyclic Orientations of Mixed Graphs

Enumeration of Graded (3+1)-Avoiding Posets

Enumeration of integral tetrahedra

Enumeration of linear chord diagrams

Enumeration of lozenge tilings of hexagons with a central triangular hole

Enumeration of lozenge tilings of hexagons with cut off corners

Enumeration of m-ary cacti

Enumeration of Matchings: Problems and Progress

Enumeration of non-crossing pairings on bit strings

Enumeration of non-positive planar trivalent graphs

Enumeration of paths and cycles and e-coefficients of incomparability graphs