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 A051251 #6 Jun 13 2013 15:40:07 %S A051251 1,1,1,0,0,0,0,128,16384,33554432,1466015678464,0,0,0,0, %T A051251 53919893334301279589334030174039266539571147379908773492703549718528, %U A051251 63657374260452690195888927762793067532858387480466469420624374174610161798791164116074496 %N A051251 Number of self-complementary 3-plexes. %Y A051251 Cf. A000171, A047660. %K A051251 nonn %O A051251 1,8 %A A051251 _Vladeta Jovovic_