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%I #11 Oct 14 2021 19:46:49
%S 25,2,1,3,1,16,8,2,1,1,5,25,5,1,1,2,8,16,1,3,1,2,50,2,1,3,1,16,8,2,1,
%T 1,5,25,5,1,1,2,8,16,1,3,1,2,50,2,1,3,1,16,8,2,1,1,5,25,5,1,1,2,8,16,
%U 1,3,1,2,50,2,1,3,1,16,8,2,1,1,5,25,5,1,1,2,8,16,1,3
%N Continued fraction for sqrt(643).
%H <a href="/index/Con#confC">Index entries for continued fractions for constants</a>
%H <a href="/index/Rec#order_22">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, 0, 0, 0, 0, 0, 0, 1).
%p with(numtheory): Digits := 300: convert(evalf(sqrt(643)),confrac);
%t ContinuedFraction[Sqrt[643],120] (* or *) PadRight[{25},120,{50,2,1,3,1,16,8,2,1,1,5,25,5,1,1,2,8,16,1,3,1,2}] (* _Harvey P. Dale_, Oct 14 2021 *)
%K nonn,cofr,easy
%O 0,1
%A _N. J. A. Sloane_.