A126754 - OEIS

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A126754

Number of biconnected graphs on n nodes with chromatic number 6.

0, 0, 0, 0, 0, 1, 4, 59, 1631, 101409 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,7`
	COMMENTS	`It is possible that the definition should say "connected" rather than "biconnected". Should be rechecked! - Max Alekseyev and Brendan McKay, Jun 17 2008`
	LINKS	`Keith M. Briggs, Combinatorial Graph Theory`
	CROSSREFS	`A diagonal of triangle in A126749.` `Sequence in context: A093597 A199107 A198508 * A194534 A026586 A058173` `Adjacent sequences: A126751 A126752 A126753 * A126755 A126756 A126757`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Feb 18 2007`

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Last modified February 15 03:11 EST 2012. Contains 205694 sequences.