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Search: id:A126734
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A126734 Number of connected graphs on n nodes with edge chromatic number 4. +0
1
0, 0, 0, 0, 10, 48, 279, 1715, 11464, 87114 (list; graph; listen)
OFFSET

1,5

LINKS

Keith M. Briggs, Combinatorial Graph Theory

CROSSREFS

A diagonal of triangle in A126732.

Sequence in context: A121075 A121073 A084857 this_sequence A048698 A045770 A035237

Adjacent sequences: A126731 A126732 A126733 this_sequence A126735 A126736 A126737

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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