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 A187845 #10 Jan 29 2014 04:04:05 %S A187845 0,-1,-3,-6,-10,-15,-21,-28,-36,-45,-45,-44,-42,-39,-35,-30,-24,-17, %T A187845 -9,0,0,2,6,12,20,30,42,56,72,90,90,93,99,108,120,135,153,174,198,225, %U A187845 225,229,237,249,265,285,309,337,369,405,405,410,420,435,455,480,510,545,585,630,630,636,648,666 %N A187845 Partial sums of A187844. %H A187845 Reinhard Zumkeller, <a href="/A187845/b187845.txt">Table of n, a(n) for n = 0..25000</a> %o A187845 (Haskell) %o A187845 a187845 n = a187845_list !! (n-1) %o A187845 a187845_list = scanl1 (+) $ map a187844 [0..] %o A187845 -- _Reinhard Zumkeller_, Jan 29 2014 %Y A187845 Cf. A061076. %K A187845 sign,base,look %O A187845 0,3 %A A187845 _Reinhard Zumkeller_, Mar 14 2011