A123427 - OEIS

%I #11 Sep 17 2020 04:48:58

%S 1,2,4,11,31,117,504,2772,18738,158931,1679288,22160769

%N Number of i-triangulated 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

%E a(11)-a(12) from _Jakub Jablonski_, Sep 16 2020