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Number of unlabeled and connected graphs which are complements of chordal graphs.
1

%I #8 Jan 16 2016 10:32:22

%S 1,1,2,6,17,67,299,1726,12405,112234,1265629,17716712,306896676,

%T 6579771024

%N Number of unlabeled and connected graphs which are complements of chordal graphs.

%C Usually referred to as "cochordal" graphs. G is cochordal if it contains no induced complement of a cycle of size 4 or more.

%H F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version e8699da.

%K more,nonn

%O 1,3

%A _Jim Nastos_, Jan 13 2003

%E a(10)-a(14) added using tinygraph by _Falk Hüffner_, Jan 16 2016