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 A252751 #5 Dec 23 2014 00:39:47 %S A252751 0,-1,-2,-1,-4,-1,6,17,14,15,20,41,40,79,150,199,190,195,208,231,238, %T A252751 283,368,455,478,525,620,773,866,1133,1596,1775,1766,1761,1760,1803, %U A252751 1784,1865,2014,2123,2112,2203,2378,2573,2762,3107,3712,4021,3948,4115,4426,4667,5024,5459,6234,6765,7410,7939,8904,9813,10964,12515,15154,15755,15740 %N A252751 Partial sums of A252750: a(0) = 0; for >= 1: a(n) = A252750(n) + a(n-1). %H A252751 Antti Karttunen, <a href="/A252751/b252751.txt">Table of n, a(n) for n = 0..8191</a> %F A252751 a(0) = 0; for >= 1: a(n) = A252750(n) + a(n-1). %o A252751 (Scheme, with memoization macro definec) %o A252751 (definec (A252751 n) (if (zero? n) n (+ (A252750 n) (A252751 (- n 1))))) %Y A252751 Cf. A252750, A252749. %K A252751 sign %O A252751 0,3 %A A252751 _Antti Karttunen_, Dec 21 2014