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Number of unimodular perfect graphs on n nodes.
0

%I #7 Sep 27 2022 12:23:39

%S 1,2,4,11,33,144,822,6744,73147,1006995

%N Number of unimodular perfect graphs on n nodes.

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

%H S. Hougardy, <a href="https://doi.org/10.1016/j.disc.2006.05.021">Classes of perfect graphs</a>, Discr. Math. 306 (2006), 2529-2571.

%K nonn,more

%O 1,2

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