A126758 - OEIS

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A126758

Number of biconnected 4-cycle-free graphs on n nodes with clique number 3.

0, 0, 1, 1, 4, 11, 39, 139, 603, 2925, 16709, 112054, 888615, 8321364

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

OFFSET

1,5

COMMENTS

It is possible that the definition should say "connected" rather than "biconnected". Should be rechecked! - Max Alekseyev and Brendan McKay, Jun 17 2008

LINKS

Table of n, a(n) for n=1..14.

Keith M. Briggs, Combinatorial Graph Theory

CROSSREFS

Sequence in context: A050987 A137191 A106269 * A149258 A326423 A366695

Adjacent sequences: A126755 A126756 A126757 * A126759 A126760 A126761

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Feb 18 2007

STATUS

approved