A123471 - OEIS

A123471

Number of unimodular perfect graphs on n nodes.

1, 2, 4, 11, 33, 144, 822, 6744, 73147, 1006995 (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: A123448 A039707 A005470 * A123416 A123406 A123453` `Adjacent sequences: A123468 A123469 A123470 * A123472 A123473 A123474`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane, Oct 18 2006`
	STATUS	`approved`

Last modified February 2 02:30 EST 2023. Contains 359997 sequences. (Running on oeis4.)