%I
%S 14,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,
%T 4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,
%U 28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1,28,1,4,1
%N Continued fraction for sqrt(220).
%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 a(n)=(1/6)*{32*(n mod 4)+13*[(n+1) mod 4]+4*[(n+2) mod 4]+49*[(n+3) mod 4]}14*[C(2*n,n) mod 2], with n>=0 [From _Paolo P. Lava_, Apr 23 2009]
%p with(numtheory): Digits := 300: convert(evalf(sqrt(220)),confrac);
%K nonn,cofr,easy
%O 0,1
%A _N. J. A. Sloane_.
