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Search: id:A126739
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A126739 Number of connected graphs on n nodes with chromatic number 5. +0
1
0, 0, 0, 0, 1, 4, 46, 809, 27794, 1890221 (list; graph; listen)
OFFSET

1,6

LINKS

Keith M. Briggs, Combinatorial Graph Theory

CROSSREFS

A diagonal of triangle in A126736.

Sequence in context: A097952 A097643 A113264 this_sequence A099023 A000657 A001623

Adjacent sequences: A126736 A126737 A126738 this_sequence A126740 A126741 A126742

KEYWORD

nonn

AUTHOR

njas, Feb 16 2007

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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