A123453 - OEIS

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A123453

Number of skeletal perfect graphs on n nodes.

1, 2, 4, 11, 33, 145, 826, 6266, 54401, 504200 (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: A123471 A123416 A123406 * A123459 A123426 A277204` `Adjacent sequences: A123450 A123451 A123452 * A123454 A123455 A123456`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane, Oct 18 2006`
	STATUS	`approved`

Last modified April 8 23:02 EDT 2020. Contains 333331 sequences. (Running on oeis4.)