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 A103179 #3 Mar 30 2012 16:50:11 %S A103179 2,2,6,20,38,78,160,316,644,1296,2578,5186,10368,20744,41532,83076, %T A103179 166172,332364,664864,1329768,2659656,5319504 %N A103179 Row sums of A102416. %K A103179 nonn %O A103179 0,1 %A A103179 _N. J. A. Sloane_, Mar 17 2005