A007867 Complementary pairs of `homogenized' N-free graphs with n nodes.

1, 1, 2, 7, 22, 82, 307

Offset

1,3

Comments

I believe this is an erroneous version of A241156. - N. J. A. Sloane, Apr 18 2014

Links

Table of n, a(n) for n=1..7.

Jacinta Covington, A universal structure for N-free graphs, Proc. London Math. Soc. (3) 58 (1989), no. 1, 1--16. MR0969544 (89m:03028). - N. J. A. Sloane, Apr 18 2014

Crossrefs

Cf. A241156.

Sequence in context: A097967 A360861 A052879 * A241156 A014558 A150322

Adjacent sequences: A007864 A007865 A007866 * A007868 A007869 A007870

Keyword

nonn

Author

Peter J. Cameron

Status

approved