A121141 - OEIS

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A121141

Numbers of isomers of unbranched a-4-catapolyheptagons - see Brunvoll reference for precise definition.

1, 5, 37, 254, 1690, 10476, 62000 (list; graph; refs; listen; history; internal format)

	OFFSET	`4,2`
	REFERENCES	`J. Brunvoll, S. J. Cyvin and B. N. Cyvin, Isomer enumeration of polygonal systems..., J. Molec. Struct. (Theochem), 364 (1996), 1-13.`
	CROSSREFS	`Sequence in context: A054417 A080507 A108049 * A083232 A089303 A164595` `Adjacent sequences: A121138 A121139 A121140 * A121142 A121143 A121144`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Aug 13 2006`

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.