A361564 Number of (n-3)-connected unlabeled n-node graphs.

4, 6, 10, 17, 25, 39, 59, 87, 127, 186

Offset: 3

Author

Manfred Scheucher, Mar 15 2023

Keywords

• nonn
• more

References

• M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation.

Crossrefs

Cf. A259862.

Formula

a(n) = Sum_{j=1..3} A259862(n, n-j). - Andrew Howroyd, Mar 16 2023