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 A116625 #10 Mar 14 2017 05:42:08 %S A116625 3,6,12,13,15,26,23,14,24,49,43,25,51,50,48,55,54,52,62,61,60,53,56, %T A116625 63,91,93,59,57,58,100,95,92,101,99,110,105,111,106,107,104,197,174, %U A116625 102,103,98,204,198,196,202,203,200,206,207,205,201,199,216,213,212 %N A116625 a(n) = A116624(n) XOR A116624(n+1). %C A116625 XOR is A003987. %H A116625 Ivan Neretin, <a href="/A116625/b116625.txt">Table of n, a(n) for n = 1..10000</a> %Y A116625 Bisection of A116626. Complement of A116624?. %Y A116625 Cf. A235262. %K A116625 nonn %O A116625 1,1 %A A116625 _Paul D. Hanna_ and _Antti Karttunen_, Feb 21 2006