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 A239324 #4 Mar 18 2014 04:57:41 %S A239324 0,-1,-2,-4,-7,-4,-2,-3,-5,-1,-11,-13,-20,-21,-23,-28,-29,-35,-33,-36, %T A239324 -42,-49,-61,-67,-78,-87,-81,-76,-74,-73,-75,-81,-81,-86,-92,-98,-96, %U A239324 -99,-98,-100,-107,-119,-123,-127,-132,-140,-149,-142,-137,-135,-143 %N A239324 Partial sums of A090431. %C A239324 a(n+1) = a(n) + A090431(n). %H A239324 Reinhard Zumkeller, <a href="/A239324/b239324.txt">Table of n, a(n) for n = 0..10000</a> %o A239324 (Haskell) %o A239324 a239324 n = a239324_list !! (n-1) %o A239324 a239324_list = scanl (+) 0 a090431_list %Y A239324 base %K A239324 sign %O A239324 0,3 %A A239324 _Reinhard Zumkeller_, Mar 16 2014