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A126739
Number of connected graphs on n nodes with chromatic number 5.
2
0, 0, 0, 0, 1, 4, 46, 809, 27794, 1890221, 248580644
OFFSET
1,6
CROSSREFS
A diagonal of triangle in A126736.
Sequence in context: A264717 A318109 A234527 * A191870 A099023 A000657
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 16 2007
EXTENSIONS
a(11) from Michael Sollami, Jan 29 2012
STATUS
approved