New posts in Enumerative Combinatorics

Hooks in a staircase partition: Part I

an identity for a sum over partitions

Combinatorial proof of fact about Eulerian numbers?

Convergence issues with infinite product of formal series

Number of monomials of deg D where each variables has low degree

Number of unlabelled planar graphs

How many binary operations are associative?

Polya's theory of counting and commutative algebra

Dissecting a square

Fibonacci, compositions, history