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%I #17 Dec 20 2023 08:06:11
%S 19,1,2,19,2,1,38,1,2,19,2,1,38,1,2,19,2,1,38,1,2,19,2,1,38,1,2,19,2,
%T 1,38,1,2,19,2,1,38,1,2,19,2,1,38,1,2,19,2,1,38,1,2,19,2,1,38,1,2,19,
%U 2,1,38,1,2,19,2,1,38,1,2,19,2,1,38,1,2,19,2,1,38,1,2
%N Continued fraction for sqrt(387).
%H <a href="/index/Con#confC">Index entries for continued fractions for constants</a>.
%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,1).
%F From _Amiram Eldar_, Dec 20 2023: (Start)
%F Multiplicative with a(2^e) = 2, a(3^e) = 19, and a(p^e) = 1 for p >= 5.
%F Dirichlet g.f.: zeta(s) * (1 + 1/2^s) * (1 + 2/3^(s-2)). (End)
%p with(numtheory): Digits := 300: convert(evalf(sqrt(387)),confrac);
%t ContinuedFraction[Sqrt[387], 100] (* _Amiram Eldar_, Dec 20 2023 *)
%K nonn,cofr,easy,mult
%O 0,1
%A _N. J. A. Sloane_
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