A084273 - OEIS

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A084273

Number of labeled connected 3-chromatic (i.e. chromatic number = 3) graphs on n nodes.

0, 0, 1, 18, 472, 18855 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	LINKS	`Eric Weisstein's World of Mathematics, n-Chromatic Graph`
	CROSSREFS	`Cf. A001832, A084274.` `Sequence in context: A086501 A204241 A053115 * A027405 A116176 A035023` `Adjacent sequences: A084270 A084271 A084272 * A084274 A084275 A084276`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), May 24, 2003`

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Last modified February 14 17:10 EST 2012. Contains 205644 sequences.