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A076324 Number of connected 5-colorable (i.e. chromatic number <= 5) simple graphs on n nodes. 6
1, 1, 2, 6, 21, 111, 847, 11036, 259022 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

Eric Weisstein's World of Mathematics, n-Colorable Graph

CROSSREFS

Cf. A005142, A076322, A076323, A076325, A076326, A076327, A076328.

Sequence in context: A079129 A130275 A156808 * A076325 A128526 A076326

Adjacent sequences:  A076321 A076322 A076323 * A076325 A076326 A076327

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Oct 06, 2002

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Last modified February 16 11:30 EST 2012. Contains 205907 sequences.