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Search: id:A137567
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A137567 Number of chromatically nonunique simple graphs on n nodes. +0
2
0, 0, 0, 4, 18, 115, 905, 11641, 266293 (list; graph; listen)
OFFSET

1,4

LINKS

Eric Weisstein's World of Mathematics, Chromatically Unique Graph

CROSSREFS

Cf. A137568.

Sequence in context: A053483 A052617 A141714 this_sequence A053529 A005442 A084661

Adjacent sequences: A137564 A137565 A137566 this_sequence A137568 A137569 A137570

KEYWORD

nonn,more

AUTHOR

E. W. Weisstein (eric(AT)weisstein.com), Jan 26, 2008

EXTENSIONS

a(9) from Eric W. Weisstein (eric(AT)weisstein.com), Apr 07 2008

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.


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