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 A040416 #18 Jul 08 2025 23:15:09
%S A040416 20,1,9,2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,
%T A040416 1,9,2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,1,9,
%U A040416 2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,1,9,2,9,1,40,1,9
%N A040416 Continued fraction for sqrt(437).
%H A040416 <a href="/index/Con#confC">Index entries for continued fractions for constants</a>
%H A040416 <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 1).
%p A040416 with(numtheory): Digits := 300: convert(evalf(sqrt(437)),confrac);
%t A040416 ContinuedFraction[Sqrt[437],90] (* or *) PadRight[{20},90,{40,1,9,2,9,1}] (* _Harvey P. Dale_, Aug 25 2014 *)
%K A040416 nonn,cofr,easy
%O A040416 0,1
%A A040416 _N. J. A. Sloane_