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A042091 Denominators of continued fraction convergents to sqrt(569). 2

%I

%S 1,1,6,7,41,376,793,1169,3131,10562,34817,80196,115013,310222,2907011,

%T 14845277,17752288,103606717,121359005,5686120947,5807479952,

%U 34723520707,40531000659,237378524002,2176937716677,4591253957356,6768191674033,18127637305422

%N Denominators of continued fraction convergents to sqrt(569).

%H Vincenzo Librandi, <a href="/A042091/b042091.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_38">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5789727664, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

%t Denominator[Convergents[Sqrt[569], 30]] (* _Harvey P. Dale_, Dec 08 2011 *)

%Y Cf. A042090.

%K nonn,frac,easy

%O 0,3

%A _N. J. A. Sloane_.

%E More terms from _Vincenzo Librandi_, Jan 14 2014

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Last modified March 22 17:25 EDT 2019. Contains 321422 sequences. (Running on oeis4.)