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 A117006 #4 Mar 30 2012 16:50:24 %S A117006 1,0,-6,0,-10,-6,14,0,15,-10,-22,0,-26,14,20,0,34,18,-38,-10,-28,-22, %T A117006 46,0,45,-26,-36,14,-58,30,62,0,44,34,-56,18,-74,-38,52,0,82,-28,-86, %U A117006 -22,-42,46,94,0,105,50,-68,-26,-106,-36,88,0,76,-58,-118,30,-122,62,102,0,104,44,-134,34,-92,-70,142,18,146 %N A117006 A117000(n) + A117001(n). %D A117006 H. J. S. Smith, Report on the Theory of Numbers, reprinted in Vol. 1 of his Collected Math. Papers, Chelsea, NY, 1979, see p. 322. %K A117006 sign %O A117006 1,3 %A A117006 _N. J. A. Sloane_, Apr 15 2006