This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A079456 #8 Jan 16 2016 10:32:22 %S A079456 1,1,2,6,17,67,299,1726,12405,112234,1265629,17716712,306896676, %T A079456 6579771024 %N A079456 Number of unlabeled and connected graphs which are complements of chordal graphs. %C A079456 Usually referred to as "cochordal" graphs. G is cochordal if it contains no induced complement of a cycle of size 4 or more. %H A079456 F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version e8699da. %K A079456 more,nonn %O A079456 1,3 %A A079456 _Jim Nastos_, Jan 13 2003 %E A079456 a(10)-a(14) added using tinygraph by _Falk Hüffner_, Jan 16 2016