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A084271 Number of labeled 3-chromatic (i.e. chromatic number = 3) graphs on n nodes. +0
3
0, 0, 1, 22, 582, 22377 (list; graph; listen)
OFFSET

1,4
LINKS

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

CROSSREFS

Cf. A084270, A084272.

Sequence in context: A121904 A158629 A159875 this_sequence A092086 A137262 A025760

Adjacent sequences: A084268 A084269 A084270 this_sequence A084272 A084273 A084274

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.

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