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 A291760 #8 Sep 12 2017 10:23:29 %S A291760 0,0,1,0,1,0,3,2,1,0,1,2,5,0,3,0,1,4,7,2,1,4,5,0,9,0,1,4,5,0,1,2,1,8, %T A291760 9,2,13,0,3,6,1,4,7,0,9,0,3,4,17,4,7,8,1,8,11,2,9,12,15,2,1,4,5,6,1, %U A291760 20,23,2,17,4,5,6,25,0,1,10,5,8,11,0,1,8,9,12,13,0,1,2,17,0,1,4,5,8,9,0,33,8,9,12,13,16,17,0,1,16,17,2,21,0,3,6,17 %N A291760 Binary encoding of 2-digits in ternary representation of A254103(n). %H A291760 Antti Karttunen, <a href="/A291760/b291760.txt">Table of n, a(n) for n = 0..16384</a> %H A291760 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %F A291760 a(n) = A289814(A254103(n)). %Y A291760 Cf. A254103, A286632, A286633, A289814, A291759, A291763. %K A291760 nonn,base %O A291760 0,7 %A A291760 _Antti Karttunen_, Sep 12 2017