Number of labeled planar 2-connected graphs with no vertex of degree 2 and with n vertices.

A104593

Number of labeled planar 2-connected graphs with no vertex of degree 2 and with n vertices.

Terms

    a(0) =1a(1) =25a(2) =1317a(3) =96012a(4) =8976600a(5) =1027205280a(6) =139315157730

External references