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 A287867 #10 Mar 29 2024 08:45:11 %S A287867 -1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,1,1,1,1,1,1, %T A287867 1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,2,2,2,2,2,2,2,2, %U A287867 2,2,2,2,2,2,2,3,2,3,2,3,2,3,2,3,2,3,2,3,2,3,3,3,3,3,3,3,3,3,3,3 %N A287867 a(n) = floor(n/2) - A287864(n). %C A287867 It would be nice to know how fast this sequence grows. %H A287867 Andy Huchala, <a href="/A287867/b287867.txt">Table of n, a(n) for n = 1..212</a> %Y A287867 Cf. A287864, A274933, A287866. %K A287867 sign %O A287867 1,46 %A A287867 _N. J. A. Sloane_, Jun 05 2017