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A040472 Continued fraction for sqrt(495). 1

%I

%S 22,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,

%T 4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,

%U 44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44,4,44

%N Continued fraction for sqrt(495).

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

%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (0, 1).

%F a(n)=24+20*(-1)^n-22*[C(2*n,n) mod 2], with n>=0 [From _Paolo P. Lava_, May 13 2009]

%p with(numtheory): Digits := 300: convert(evalf(sqrt(495)),confrac);

%t Block[{$MaxExtraPrecision=1000}, ContinuedFraction[Sqrt[495],120]] (* or *) PadRight[{22},120,{44,4}] (* _Harvey P. Dale_, Jan 13 2019 *)

%K nonn,cofr,easy,less

%O 0,1

%A _N. J. A. Sloane_.

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Last modified October 28 13:26 EDT 2021. Contains 348329 sequences. (Running on oeis4.)