id:A084272 - OEIS Search Results

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Number of labeled 4-chromatic (i.e. chromatic number = 4) graphs on n nodes.

+0
3

0, 0, 0, 1, 65, 5042 (list; graph; listen)

	OFFSET	`1,5`
	LINKS	`Eric Weisstein's World of Mathematics, n-Chromatic Graph`
	CROSSREFS	`Cf. A084270, A084271.` `Sequence in context: A078988 A027535 A110900 this_sequence A146756 A115432 A116104` `Adjacent sequences: A084269 A084270 A084271 this_sequence A084273 A084274 A084275`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com), May 24, 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.