A126746 - OEIS

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A126746

Number of connected graphs on n nodes with clique number 4.

1

0, 0, 0, 1, 3, 25, 266, 4646, 136935, 7121703, 647596643

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,5

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: A355865 A009042 A080896 * A118989 A229162 A363354

Adjacent sequences: A126743 A126744 A126745 * A126747 A126748 A126749

KEYWORD

nonn,hard,more

AUTHOR

N. J. A. Sloane, Feb 18 2007

EXTENSIONS

a(11) from Michael Sollami, Jan 29 2012

STATUS

approved