Number of series-reduced 2-connected graphs with n nodes.

A006289

Number of series-reduced 2-connected graphs with n nodes.

Terms

    a(0) =1a(1) =3a(2) =19a(3) =149a(4) =2581a(5) =84151a(6) =5201856a(7) =577050233a(8) =113372069299

External references