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A128481 Structure constants for certain radical benzenoidal structures (see Cash and Dias paper for precise definition). 0
2, 20, 306, 7376, 273956, 15345156, 1274990124, 155024945978, 27422185371264, 6981850496603886, 2547185424690611836 (list; graph; refs; listen; history; 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.

CROSSREFS

Cf. A008793, A128476-A128484.

Sequence in context: A195157 A155671 A124211 * A177397 A104462 A060164

Adjacent sequences:  A128478 A128479 A128480 * A128482 A128483 A128484

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 08 2007

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.