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 A088895 #4 May 10 2013 12:45:28 %S A088895 1,2,2,4,41,2104,1387915,229780525655 %N A088895 Number of intersecting T_0-antichains on a labeled n-set. %C A088895 An antichain on a set is a T_0-antichain if for every two distinct pointsf the set there exists a member of the antichain containing one but not the other point. %Y A088895 Cf. A001206, A051185, A059083. %K A088895 hard,nonn %O A088895 0,2 %A A088895 Goran Kilibarda, _Vladeta Jovovic_, Nov 28 2003