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A141786 Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition). 0
1, 3, 13, 62, 287, 1352, 6256, 28737, 130665 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

REFERENCES

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

LINKS

Table of n, a(n) for n=4..12.

CROSSREFS

Sequence in context: A243014 A258799 A246689 * A122122 A093424 A186242

Adjacent sequences:  A141783 A141784 A141785 * A141787 A141788 A141789

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 18 2008

STATUS

approved

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Last modified May 27 03:13 EDT 2022. Contains 354093 sequences. (Running on oeis4.)