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%I #11 Dec 25 2022 17:07:05
%S 20,4,2,7,1,1,1,4,2,2,13,13,2,2,4,1,1,1,7,2,4,40,4,2,7,1,1,1,4,2,2,13,
%T 13,2,2,4,1,1,1,7,2,4,40,4,2,7,1,1,1,4,2,2,13,13,2,2,4,1,1,1,7,2,4,40,
%U 4,2,7,1,1,1,4,2,2,13,13,2,2,4,1,1,1,7,2,4,40,4,2
%N Continued fraction for sqrt(409).
%H <a href="/index/Con#confC">Index entries for continued fractions for constants</a>
%H <a href="/index/Rec#order_21">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, 1).
%p with(numtheory): Digits := 300: convert(evalf(sqrt(409)),confrac);
%t ContinuedFraction[Sqrt[409],120] (* or *) PadRight[{20},120,{40,4,2,7,1,1,1,4,2,2,13,13,2,2,4,1,1,1,7,2,4}] (* _Harvey P. Dale_, Dec 25 2022 *)
%K nonn,cofr,easy
%O 0,1
%A _N. J. A. Sloane_.
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