A123424 - OEIS

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A123424

Number of gem-free Berge perfect graphs on n nodes.

1, 2, 4, 11, 32, 130, 625, 3964, 30929, 297142 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	REFERENCES	`S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.`
	LINKS	`Table of n, a(n) for n=1..10.` `S. Hougardy, Home Page`
	CROSSREFS	`Sequence in context: A123414 A123410 A123434 * A123449 A123404 A178925` `Adjacent sequences: A123421 A123422 A123423 * A123425 A123426 A123427`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane, Oct 18 2006`
	STATUS	`approved`

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Last modified May 23 07:10 EDT 2013. Contains 225585 sequences.