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 A040214 #18 Jul 08 2025 22:56:24
%S A040214 15,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,
%T A040214 6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,
%U A040214 30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30,6,30
%N A040214 Continued fraction for sqrt(230).
%H A040214 <a href="/index/Con#confC">Index entries for continued fractions for constants</a>
%H A040214 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (0, 1).
%p A040214 with(numtheory): Digits := 300: convert(evalf(sqrt(230)),confrac);
%t A040214 Block[{$MaxExtraPrecision=1000}, ContinuedFraction[Sqrt[230],100]] (* or *) PadRight[{15},100,{30,6}] (* _Harvey P. Dale_, Apr 26 2025 *)
%K A040214 nonn,cofr,easy
%O A040214 0,1
%A A040214 _N. J. A. Sloane_