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 A168335 #1 Jun 01 2010 03:00:00 %S A168335 6,8,10,12,20,24,34,36,48,130,132,144,260,264,288,384,8194,8196,8208, %T A168335 8448,65540,65544,65568,65664,73728,131074,131076,131088,131328, %U A168335 196608,524290,524292,524304,524544,589824,2147483650,2147483652,2147483664,2147483904 %N A168335 Numbers of the form A019434(i) + A000668(j). %Y A168335 Cf. A174057. %K A168335 nonn %O A168335 1,1 %A A168335 Jonathan Vos Post, Mar 05 2010 %E A168335 Corrected and extended by R. J. Mathar, Mar 06 2010