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A126735 Number of connected graphs on n nodes with edge chromatic number 5. 0
0, 0, 0, 0, 2, 36, 352, 4463, 63363, 1066463 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..10.

Keith M. Briggs, Combinatorial Graph Theory

CROSSREFS

A diagonal of triangle in A126732.

Sequence in context: A242533 A273325 A035603 * A229679 A119582 A157055

Adjacent sequences:  A126732 A126733 A126734 * A126736 A126737 A126738

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 16 2007

STATUS

approved

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Last modified October 15 13:38 EDT 2019. Contains 328030 sequences. (Running on oeis4.)