Number of labeled nonseparable (or 2-connected) bicolored graphs with n nodes of the first color and n nodes of the second color.

A005334

Number of labeled nonseparable (or 2-connected) bicolored graphs with n nodes of the first color and n nodes of the second color.

Terms

    a(0) =1a(1) =1a(2) =34a(3) =7037a(4) =6317926a(5) =21073662977

External references