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A126745 Number of connected graphs on n nodes with clique number 3. 1
0, 0, 1, 2, 11, 63, 477, 5339, 94535, 2774240, 135794730 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
CROSSREFS
A diagonal of triangle in A126744.
Sequence in context: A114175 A080049 A370392 * A362799 A179120 A038725
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 March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)