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A041582 Numerators of continued fraction convergents to sqrt(309). 2

%I

%S 17,18,35,88,123,334,1459,1793,3252,5045,43612,266717,310329,3370007,

%T 3680336,25452023,207296520,232748543,440045063,672793606,3131219487,

%U 6935232580,10066452067,27068136714

%N Numerators of continued fraction convergents to sqrt(309).

%H Vincenzo Librandi, <a href="/A041582/b041582.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_52">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, 0, 0, 0, 0, 0, 0, 0, 128405450990, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

%F a(n) = 128405450990*a(n-26) - a(n-52) for n>51. [_Bruno Berselli_, Nov 16 2013]

%t Numerator[Convergents[Sqrt[309], 30]] (* _Vincenzo Librandi_, Nov 04 2013 *)

%Y Cf. A041583.

%K nonn,cofr,frac,easy

%O 0,1

%A _N. J. A. Sloane_.

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Last modified May 25 06:43 EDT 2022. Contains 354049 sequences. (Running on oeis4.)