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%I #12 Jun 13 2015 00:49:23
%S 13,170,4433,57799,1507207,19651490,512445947,6681448801,174230114773,
%T 2271672940850,59237726576873,772362118440199,20140652806022047,
%U 262600848596726810,6847762716320919107,89283516160768675201,2328219182896306474333,30356132893812752841530
%N Numerators of continued fraction convergents to sqrt(171).
%H Vincenzo Librandi, <a href="/A041314/b041314.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 (0,340,0,-1).
%F G.f.: -(x^3-13*x^2-170*x-13) / (x^4-340*x^2+1). - _Colin Barker_, Nov 06 2013
%t Numerator[Convergents[Sqrt[171], 30]] (* _Vincenzo Librandi_, Nov 01 2013 *)
%Y Cf. A041315.
%K nonn,cofr,frac,easy
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Nov 06 2013
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