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A141788 Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition). 0
1, 8, 46, 337, 2191, 13805, 83376 (list; graph; refs; listen; history; internal format)
OFFSET

7,2

REFERENCES

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

CROSSREFS

Sequence in context: A083421 A113992 A037070 * A132113 A085299 A160640

Adjacent sequences:  A141785 A141786 A141787 * A141789 A141790 A141791

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 09:27 EST 2012. Contains 205904 sequences.