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%I #26 Nov 15 2023 01:13:23
%S 11,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,
%T 4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,22,1,4,1,
%U 22,1,4,1,22,1,4,1,22,1,4,1
%N Continued fraction for sqrt(140).
%H G. Xiao, <a href="http://wims.unice.fr/~wims/en_tool~number~contfrac.en.html">Contfrac</a>.
%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_, Nov 15 2023: (Start)
%F Multiplicative with a(2) = 4, a(2^e) = 22 for e >= 2, and a(p^e) = 1 for an odd prime p.
%F Dirichlet g.f.: zeta(s) * (1 + 3/2^s + 9/2^(2*s-1)). (End)
%t ContinuedFraction[Sqrt[140],300] (* _Vladimir Joseph Stephan Orlovsky_, Mar 13 2011 *)
%K nonn,cofr,easy,mult
%O 0,1
%A _N. J. A. Sloane_