A052444 Number of simple unlabeled n-node graphs of connectivity 3.

0, 0, 0, 1, 2, 13, 111, 2004, 66410, 3902344, 388624106, 65142804740

Offset: 1

Author

Eric W. Weisstein

Keywords

• nonn
• more

Links

• Jens M. Schmidt, Data files in graph6 format
• Eric Weisstein's World of Mathematics, k-Connected Graph.

Crossrefs

Column k=3 of A259862.

Cf. A000719, A006290, A052442, A052443, A052445, A086216.

Formula

a(n) = A006290(n) - A086216(n). - Andrew Howroyd, Sep 04 2019

Extensions

Name edited and a(8)-a(11) by Jens M. Schmidt, Feb 18 2019

a(3)-a(4) corrected by Andrew Howroyd, Aug 28 2019

a(12) from Sean A. Irvine, Nov 28 2021