A052433 - OEIS

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A052433

Perfect connected undirected simple graphs on n nodes.

1, 1, 2, 6, 20, 105, 724, 7805, 126777, 3122221, 112392709 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,3`
	REFERENCES	`A. Brandstaedt, V. B. Le and J. P. Spinrad, Graph Classes: A Survey, SIAM Publications, 1999.`
	LINKS	`Brendan McKay, Perfect graphs` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Cf. A052431.` `Sequence in context: A073964 A079457 A079455 * A078566 A076323 A136795` `Adjacent sequences: A052430 A052431 A052432 * A052434 A052435 A052436`
	KEYWORD	`nonn,hard`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 29 2003`

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Last modified February 14 08:37 EST 2012. Contains 205614 sequences.