A099437 - OEIS

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A099437

Number of simple class-2 graphs on n nodes.

0, 0, 1, 1, 6, 11, 50, 131, 1131 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,5`
	LINKS	`Eric Weisstein's World of Mathematics, Class 2 Graph`
	CROSSREFS	`Cf. A099438 (counts of connected class 2 graphs).` `Cf. A099435 (counts of class 1 graphs).` `Sequence in context: A015440 A193488 A094555 * A077701 A177197 A177162` `Adjacent sequences: A099434 A099435 A099436 * A099438 A099439 A099440`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), Oct 15, 2004`
	EXTENSIONS	`a(8) from Eric Weisstein (eric@weisstein.com), Nov 17 2011` `a(9) from Eric Weisstein (eric@weisstein.com), Nov 21 2011`

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.