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 A040640 #28 Jul 08 2025 23:36:20 %S A040640 25,1,4,5,1,1,6,1,4,1,6,1,1,5,4,1,50,1,4,5,1,1,6,1,4,1,6,1,1,5,4,1,50, %T A040640 1,4,5,1,1,6,1,4,1,6,1,1,5,4,1,50,1,4,5,1,1,6,1,4,1,6,1,1,5,4,1,50,1, %U A040640 4,5,1,1,6,1,4,1,6,1,1,5,4,1,50,1,4,5,1,1,6,1,4,1 %N A040640 Continued fraction for sqrt(666). %H A040640 Paolo Xausa, <a href="/A040640/b040640.txt">Table of n, a(n) for n = 0..10000</a> %H A040640 <a href="/index/Con#confC">Index entries for continued fractions for constants</a> %H A040640 <a href="/index/Rec#order_16">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, 1). %p A040640 with(numtheory): Digits := 300: convert(evalf(sqrt(666)),confrac); %t A040640 ContinuedFraction[Sqrt[666],100] (* _Paolo Xausa_, Oct 14 2023 *) %Y A040640 Cf. A042280/A042281 (convergents), A366248. %K A040640 nonn,cofr,easy %O A040640 0,1 %A A040640 _N. J. A. Sloane_