A123348 - OEIS

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A123348

Benzenoids (see the Cyvin-Gutman book for details).

0, 3, 12, 54, 240, 1068, 4752, 21144, 94080, 418608, 1862592 (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. 78).`
	CROSSREFS	`Sequence in context: A120983 A124810 A191577 * A151204 A151205 A151206` `Adjacent sequences: A123345 A123346 A123347 * A123349 A123350 A123351`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 10 2006`

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Last modified February 14 10:24 EST 2012. Contains 205614 sequences.