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 A011747 #13 May 07 2018 03:36:42 %S A011747 1,0,0,1,0,0,1,1,0,0,0,0,1,0,1,1,0,1,0,1,0,0,0,1,1,1,0,1,1,1,1,1,0,0, %T A011747 1,0,0,1,1,0,0,0,0,1,0,1,1,0,1,0,1,0,0,0,1,1,1,0,1,1,1,1,1,0,0,1,0,0, %U A011747 1,1,0,0,0,0,1,0,1,1,0,1,0 %N A011747 Expansion of (1 + x^2 + x^4)/(1 + x^2 + x^3 + x^4 + x^5) mod 2. %H A011747 Michael Gilleland, <a href="/selfsimilar.html">Some Self-Similar Integer Sequences</a> %H A011747 R. Gold, <a href="http://dx.doi.org/10.1137/0114079">Characteristic linear sequences and their coset functions</a>, J. SIAM Applied. Math., 14 (1966), 980-985. %H A011747 <a href="/index/Rec#order_31">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1). %p A011747 series((1+x^2+x^4)/(1+x^2+x^3+x^4+x^5),x,100) mod 2; %K A011747 nonn %O A011747 0,1 %A A011747 _N. J. A. Sloane_