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A123358 Benzenoids (see the Cyvin-Gutman book for details). 1
1, 10, 125, 1625, 21250, 278125, 3640625, 47656250, 623828125 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

S. J. Cyvin and I. Gutman, Kekule structures in benzenoid hydrocarbons, Lecture Notes in Chemistry, No. 46, Springer, New York, 1988 (see p. 210).

CROSSREFS

Sequence in context: A081784 A005174 A034668 * A089832 A161170 A097816

Adjacent sequences:  A123355 A123356 A123357 * A123359 A123360 A123361

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 10 2006

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Last modified February 15 07:35 EST 2012. Contains 205710 sequences.