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 A109739 #4 Mar 30 2012 17:22:40 %S A109739 1,2,5,30,38,201,242,689,692,1806,2502,3550,7175,11379,11956,11970, %T A109739 16114,18659,21474,26953,35434,37837,50360,64607,80910,93291,96129, %U A109739 139706,290563,290579,322735,405993,452391,468488,593762,683630,721593 %N A109739 Records in A109734. %K A109739 nonn %O A109739 1,2 %A A109739 _N. J. A. Sloane_, Aug 11 2005 %E A109739 More terms from _T. D. Noe_, Aug 11 2005