A123439 - OEIS

A123439

Number of P_4-lite perfect graphs on n nodes.

1, 2, 4, 11, 33, 94, 278, 841, 2613, 8314 (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: A298445 A294224 A296270 * A026164 A025191 A192405` `Adjacent sequences: A123436 A123437 A123438 * A123440 A123441 A123442`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane, Oct 18 2006`
	STATUS	`approved`

Last modified February 6 23:12 EST 2023. Contains 360111 sequences. (Running on oeis4.)