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 A103589 #17 May 08 2020 06:08:10 %S A103589 0,0,1,0,0,0,0,0,1,1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1, %T A103589 1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, %U A103589 0,0,0,0,0,0,1,0,1,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1 %N A103589 1's complement of A103583. %H A103589 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 A103589 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. %e A103589 Triangle begins: %e A103589 0 %e A103589 0 1 %e A103589 0 0 0 %e A103589 0 0 1 1 %e A103589 0 0 0 1 0 %e A103589 0 0 0 0 0 1 %e A103589 0 0 0 0 1 0 0 %e A103589 0 0 0 0 0 1 1 1 %e A103589 0 0 0 0 0 0 1 1 0 %e A103589 0 0 0 0 0 0 0 1 0 1 %e A103589 0 0 0 0 0 0 0 0 0 0 0 %e A103589 0 0 0 0 0 0 0 0 1 0 1 1 %Y A103589 Cf. A103582, A103581, A103588. Considered as a triangle, obtained by reversing the rows of the triangle in A103588. %K A103589 nonn,easy,tabl %O A103589 0,1 %A A103589 _Philippe Deléham_, Mar 24 2005 %E A103589 More (unfortunately incorrect) terms from _Robert G. Wilson v_, Mar 26 2005 %E A103589 Corrected by _N. J. A. Sloane_, Apr 19 2005 %E A103589 Rechecked by _David Applegate_, Apr 19 2005