Number of labeled nonseparable (or 2-connected) bipartite graphs with 2n nodes and n nodes in each part.

A005335

Number of labeled nonseparable (or 2-connected) bipartite graphs with 2n nodes and n nodes in each part.

Terms

    a(0) =1a(1) =3a(2) =340a(3) =246295a(4) =796058676

External references