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 A232342 #9 Sep 23 2015 09:39:32 %S A232342 0,0,4,16,16,16,76,88,112,136,172,160,112,184,232,196,196,232,196,292, %T A232342 280,256,292,316,232,220,136,100,148,304,292,316,388,412,376,196,232, %U A232342 316,436,496,496,592,412,460,484,400,376,412,556,736,1000,940,1012 %N A232342 A077068(n) minus A077065(n). %C A232342 All terms are multiples of 4, cf. A008586; %C A232342 a(n) = A077068(n) - A077065(n). %C A232342 First term < 0: a(426) = -104. %H A232342 Reinhard Zumkeller, <a href="/A232342/b232342.txt">Table of n, a(n) for n = 1..10000</a> %o A232342 (Haskell) %o A232342 a232342 n = a232342_list !! (n-1) %o A232342 a232342_list = zipWith (-) a077068_list a077065_list %Y A232342 Cf. A232221 (partial sums). %K A232342 sign %O A232342 1,3 %A A232342 _Reinhard Zumkeller_, Dec 16 2013