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A141789 Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition). 0
1, 3, 34, 264, 2085, 14896, 653556 (list; graph; refs; listen; history; internal format)
OFFSET

8,2

REFERENCES

Jerry Ray Dias, Isomer enumeration of practical benzenoids, J. Math. Chem., 44 (2008), 711-724.

CROSSREFS

Sequence in context: A195021 A042041 A180775 * A121077 A024396 A066265

Adjacent sequences:  A141786 A141787 A141788 * A141790 A141791 A141792

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 18 2008

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.