A123463 - OEIS

A123463

Number of 3-overlap triangle-free perfect graphs on n nodes.

1, 2, 4, 11, 33, 136, 532, 1783, 5549, 17906 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..10.` `S. Hougardy, Home Page` `S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.`
	CROSSREFS	`Sequence in context: A123444 A123473 A123462 * A123468 A123415 A123469` `Adjacent sequences: A123460 A123461 A123462 * A123464 A123465 A123466`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane, Oct 18 2006`
	STATUS	`approved`

Last modified February 8 23:03 EST 2023. Contains 360153 sequences. (Running on oeis4.)