A123455 - OEIS

A123455

Number of slightly triangulated perfect graphs on n nodes.

1, 2, 4, 11, 33, 147, 896, 8682, 131293, 3059990 (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: A123442 A123405 A123457 * A123447 A123461 A123407` `Adjacent sequences: A123452 A123453 A123454 * A123456 A123457 A123458`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane, Oct 18 2006`
	STATUS	`approved`

Last modified January 28 01:36 EST 2023. Contains 359849 sequences. (Running on oeis4.)