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Continued fraction for sqrt(880).
1

%I #20 Jan 10 2024 00:28:50

%S 29,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,

%T 1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,

%U 58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1,58,1,1,1

%N Continued fraction for sqrt(880).

%H <a href="/index/Con#confC">Index entries for continued fractions for constants</a>.

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,1).

%F From _Amiram Eldar_, Jan 10 2024: (Start)

%F Multiplicative with a(2) = 1, a(2^e) = 58 for e >= 2, and a(p^e) = 1 for an odd prime p.

%F Dirichlet g.f.: zeta(s) * (1 + 57/2^(2*s)). (End)

%p with(numtheory): Digits := 300: convert(evalf(sqrt(880)),confrac);

%t ContinuedFraction[Sqrt[880],90] (* or *) PadRight[{29},90,{58,1,1,1}] (* _Harvey P. Dale_, Jan 17 2013 *)

%K nonn,cofr,easy,mult

%O 0,1

%A _N. J. A. Sloane_