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A128476 Structure constants for certain radical benzenoidal structures (see Cash and Dias paper for precise definition). 8
20, 999, 189792, 153915460 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

Gordon G. Cash and Jerry Ray Dias, Computation, Properties and Resonance Topology of Benzenoid Monoradicals and Polyradicals and the Eigenvectors Belonging to Their Zero Eigenvalues, J. Math. Chem., 30 (2001), 429-444.

LINKS

Table of n, a(n) for n=0..3.

CROSSREFS

Cf. A008793, A128476-A128484.

Sequence in context: A349964 A347856 A128482 * A160132 A138915 A006427

Adjacent sequences:  A128473 A128474 A128475 * A128477 A128478 A128479

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 08 2007

STATUS

approved

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Last modified January 19 06:18 EST 2022. Contains 350464 sequences. (Running on oeis4.)