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%I #14 Aug 12 2018 19:25:02
%S 16,257,8240,132097,4235344,67897601,2176958576,34899234817,
%T 1118952472720,17938138798337,575139394019504,9220168443110401,
%U 295620529573552336,4739148641619947777,151948377061411881200,2435913181624210046977,78101170189036133384464
%N Numerators of continued fraction convergents to sqrt(258).
%H Vincenzo Librandi, <a href="/A041482/b041482.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (0,514,0,-1).
%F G.f.: -(x^3-16*x^2-257*x-16) / (x^4-514*x^2+1). - _Colin Barker_, Nov 07 2013
%t Numerator[Convergents[Sqrt[258], 30]] (* _Vincenzo Librandi_, Nov 03 2013 *)
%t LinearRecurrence[{0,514,0,-1},{16,257,8240,132097},20] (* _Harvey P. Dale_, Aug 12 2018 *)
%Y Cf. A041483.
%K nonn,cofr,frac,easy
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Nov 07 2013