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 A079306 #4 May 10 2013 12:45:09 %S A079306 1,0,3,19,462,18268,1410394,206677954,58152577504,31715883698744, %T A079306 33827568741818376,71066571962356168856,295645506683051855529248, %U A079306 2444503529745123468127635920,40269655263141217619540592737168 %N A079306 Number of n-node labeled mating graphs whose complements are connected. %Y A079306 Cf. A006024, A006025, A079307. %K A079306 nonn %O A079306 1,3 %A A079306 _Vladeta Jovovic_, Feb 09 2003