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A126747 Number of connected graphs on n nodes with clique number 5. 1
0, 0, 0, 0, 1, 4, 45, 785, 26205, 1696407, 209046708 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

Table of n, a(n) for n=1..11.

Keith M. Briggs, Combinatorial Graph Theory

CROSSREFS

A diagonal of triangle in A126744.

Sequence in context: A264123 A304645 A233313 * A107668 A214400 A197989

Adjacent sequences:  A126744 A126745 A126746 * A126748 A126749 A126750

KEYWORD

nonn,hard,more

AUTHOR

N. J. A. Sloane, Feb 18 2007

EXTENSIONS

a(11) from Michael Sollami, Jan 29 2012

STATUS

approved

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Last modified May 25 06:43 EDT 2022. Contains 354049 sequences. (Running on oeis4.)