A133237 Number of bipartite planar graphs with 2n nodes and exactly one zero eigenvector.

0, 0, 0, 1, 2, 7, 67, 322, 1123, 10548, 81127

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, A133236.