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A133237
Number of bipartite planar graphs with 2n nodes and exactly one zero eigenvector.
1
0, 0, 0, 1, 2, 7, 67, 322, 1123, 10548, 81127
OFFSET
2,5
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
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 14 2007
STATUS
approved