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Duplicate of A005975.
0

%I #15 Mar 08 2014 02:14:47

%S 1,2,4,10,27,92,369,1807,10344,67659

%N Duplicate of A005975.

%C Previous name was: Number of interval perfect graphs on n nodes.

%C Is this the same as A005975? - _R. J. Mathar_, Jun 18 2008

%C All interval graphs are perfect, so this is indeed the same as A005975. - _Eric M. Schmidt_, Mar 07 2014

%D S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.

%H S. Hougardy, <a href="http://www.or.uni-bonn.de/~hougardy/">Home Page</a>

%K dead

%O 1,2

%A _N. J. A. Sloane_, Oct 18 2006