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 A158204 #4 Mar 30 2012 17:26:29 %S A158204 7,14,28,35,56,112,175,224,448,875,896,1792,3584,4375,7168,14336, %T A158204 21875,28672,57344,109375,114688,229376,458752,546875,917504,1835008, %U A158204 2734375,3670016,7340032,13671875,14680064,29360128,58720256,68359375,117440512 %N A158204 Terms in A178335 not divisible by 10. %K A158204 nonn %O A158204 1,1 %A A158204 _N. J. A. Sloane_, Jul 11 2010 %E A158204 More terms from _Zak Seidov_, Jul 12 2010