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 A010217 #25 Dec 27 2023 00:40:28
%S A010217 13,6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,
%T A010217 6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,6,1,1,6,26,6,
%U A010217 1,1,6,26,6,1,1,6,26,6,1,1,6
%N A010217 Continued fraction for sqrt(173).
%H A010217 G. Xiao, <a href="http://wims.unice.fr/~wims/en_tool~number~contfrac.en.html">Contfrac</a>
%H A010217 <a href="/index/Con#confC">Index entries for continued fractions for constants</a>
%H A010217 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 1).
%t A010217 ContinuedFraction[Sqrt[173],300] (* _Vladimir Joseph Stephan Orlovsky_, Mar 25 2011 *)
%t A010217 PadRight[{13},120,{26,6,1,1,6}] (* _Harvey P. Dale_, Sep 01 2020 *)
%K A010217 nonn,cofr
%O A010217 0,1
%A A010217 _N. J. A. Sloane_