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Search: id:A126731
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A126731 Number of graphs on n nodes with chromatic number 5. +0
2
0, 0, 0, 0, 2, 38, 392, 4895, 68696, 1140623 (list; graph; listen)
OFFSET

1,5
LINKS

Keith M. Briggs, Combinatorial Graph Theory

CROSSREFS

A diagonal of triangle in A123962.

Sequence in context: A075459 A105645 A098456 this_sequence A046845 A098772 A075796

Adjacent sequences: A126728 A126729 A126730 this_sequence A126732 A126733 A126734

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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