A133236 Number of bipartite planar graphs with 2n nodes and at least one zero eigenvector.

0, 1, 0, 1, 11, 8, 70, 613, 1225, 11330, 120628

Offset: 2

Author

N. J. A. Sloane, Oct 14 2007

Keywords

• nonn

References

• Sciriha, I. and Fowler, P.W., Nonbonding Orbitals in Fullerenes: Nuts and Cores in Singular Polyhedral Graphs J. Chem. Inf. Model., 47, 5, 1763 - 1775, 2007.

Crossrefs

Cf. A000109, A007083, A133237.