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 A105031 #18 May 04 2020 09:32:26 %S A105031 0,1,10,1,0,101,10,1,0,1,10,1,1000,101,10,1,0,1,10,1,0,101,10,1,0,1, %T A105031 10,10001,1000,101,10,1,0,1,10,1,0,101,10,1,0,1,10,1,1000,101,10,1,0, %U A105031 1,10,1,0,101,10,1,0,1,100010,10001,1000,101,10,1,0,1,10,1,0,101,10,1,0,1,10 %N A105031 Binary equivalents of A103185. %H A105031 David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers [<a href="http://neilsloane.com/doc/slopey.pdf">pdf</a>, <a href="http://neilsloane.com/doc/slopey.ps">ps</a>]. %H A105031 David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL8/Sloane/sloane300.html">Sloping binary numbers: a new sequence related to the binary numbers</a>, J. Integer Seq. 8 (2005), no. 3, Article 05.3.6, 15 pp. %Y A105031 Cf. A102370, A104234, A105032. %K A105031 nonn,base %O A105031 0,3 %A A105031 _N. J. A. Sloane_, _David Applegate_, _Benoit Cloitre_ and _Philippe Deléham_, Apr 03 2005 %E A105031 More terms from _Benoit Cloitre_, Apr 04 2005