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A141787
Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition).
0
1, 2, 9, 58, 333, 1907, 10552, 57019, 300833
OFFSET
5,2
REFERENCES
Jerry Ray Dias, Isomer enumeration of practical benzenoids, J. Math. Chem., 44 (2008), 711-724.
CROSSREFS
Sequence in context: A070075 A124405 A300343 * A047852 A240881 A224127
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Sep 18 2008
STATUS
approved