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 A286548 #9 Oct 02 2017 18:58:08 %S A286548 0,0,1,-1,2,2,-1,-3,4,4,5,3,-2,-2,-5,-7,8,8,9,7,10,10,7,5,-4,-4,-3,-5, %T A286548 -10,-10,-13,-15,16,16,17,15,18,18,15,13,20,20,21,19,14,14,11,9,-8,-8, %U A286548 -7,-9,-6,-6,-9,-11,-20,-20,-19,-21,-26,-26,-29,-31,32,32,33,31,34,34,31,29,36,36,37,35,30,30,27,25,40,40 %N A286548 a(n) = A003188(n) - n. %H A286548 Antti Karttunen, <a href="/A286548/b286548.txt">Table of n, a(n) for n = 0..16383</a> %H A286548 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %F A286548 a(n) = A003188(n) - n. %F A286548 a(n) = -A286546(A003188(n)). - _Antti Karttunen_, Oct 02 2017 %o A286548 (Scheme) (define (A286548 n) (- (A003188 n) n)) %Y A286548 Cf. A003188, A286546, A286549. %K A286548 sign,base %O A286548 0,5 %A A286548 _Antti Karttunen_, May 18 2017