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%I #13 Sep 05 2022 21:40:48
%S 23,47,117,398,515,2973,3488,37853,41341,244558,285899,1102255,
%T 2490409,6083073,282311767,570706607,1423724981,4841881550,6265606531,
%U 36169914205,42435520736,460525121565
%N Numerators of continued fraction convergents to sqrt(548).
%H Vincenzo Librandi, <a href="/A042048/b042048.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_28">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12166146, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
%F a(n) = 12166146*a(n-14) - a(n-28). - _Wesley Ivan Hurt_, Sep 05 2022
%t Numerator[Convergents[Sqrt[548], 30]] (* _Vincenzo Librandi_, Nov 14 2013 *)
%Y Cf. A042049.
%K nonn,cofr,frac,easy,less
%O 0,1
%A _N. J. A. Sloane_.
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