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 A367264 #10 Nov 13 2023 11:45:07 %S A367264 0,1,3,7,4,2,5,13,8,6,15,31,21,30,18,29,16,9,24,10,25,12,26,14,22,11, %T A367264 28,60,38,61,33,63,32,17,48,19,49,20,50,27,51,23,59,123,92,118,93,112, %U A367264 94,113,65,115,64,116,66,119,79,120,67,122,70,124,62,127,58 %N A367264 a(n) = A367262(0) XOR ... XOR A367262(n) (where XOR denotes the bitwise XOR operator). %C A367264 All terms are distinct. %C A367264 Will every nonnegative integer appear? %H A367264 Rémy Sigrist, <a href="/A367264/b367264.txt">Table of n, a(n) for n = 0..10000</a> %H A367264 Rémy Sigrist, <a href="/A367264/a367264.txt">C++ program</a> %e A367264 a(2) = A367262(0) XOR A367262(1) XOR A367262(2) = 0 XOR 1 XOR 2 = 3. %o A367264 (C++) See Links section. %Y A367264 Cf. A333398, A367262. %K A367264 nonn,base %O A367264 0,3 %A A367264 _Rémy Sigrist_, Nov 11 2023