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 A100727 #13 Mar 15 2024 10:12:09 %S A100727 1,1,2,2,1,1,1,2,1,2,1,2,1,3,1,2,1,4,1,2,1,5,1,2,1,6,1,2,1,7,1,2,1,8, %T A100727 1,2,1,9,1,2,1,10,1,2,1,11,1,2,1,12,1,2,1,13,1,2,1,14,1,2,1,15,1,2,1, %U A100727 16,1,2,1,17,1,2,1,18,1,2,1,19,1,2,1,20,1,2,1,21,1,2,1,22,1,2,1,23,1 %N A100727 Continued fraction expansion of (1/2) [tan(1) + sec(1)]. %C A100727 Periodic part is ...1,2,1,k,..., for k=2..oo. %H A100727 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,2,0,0,0,-1). %F A100727 G.f.: (x^4-x^2-1)*(x^6+x^5+x^4-x^3-x^2-x-1) / ((x-1)^2*(x+1)^2*(x^2+1)^2). - _Colin Barker_, Jul 16 2013 %e A100727 1.704111721167913924209364024428505183278823713737764668609552441... %t A100727 ContinuedFraction[(Tan[1]+Sec[1])/2,100] (* _Harvey P. Dale_, Feb 11 2015 *) %Y A100727 Cf. A093178, A100261. %K A100727 nonn,cofr,easy %O A100727 0,3 %A A100727 _Ralf Stephan_, Nov 24 2004