%I #15 Mar 19 2017 09:37:16
%S 1,1,2,3,5,233,238,471,709,1180,54989,56169,111158,167327,278485,
%T 12977637,13256122,26233759,39489881,65723640,3062777321,3128500961,
%U 6191278282,9319779243,15511057525,722828425393,738339482918,1461167908311,2199507391229
%N Denominators of continued fraction convergents to sqrt(557).
%H Vincenzo Librandi, <a href="/A042067/b042067.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 236, 0, 0, 0, 0, 1).
%F G.f.: -(x^4-3*x^3+4*x^2-2*x+1)*(x^4+2*x^3+4*x^2+3*x+1) / (x^10+236*x^5-1). - _Colin Barker_, Dec 01 2013
%t Denominator[Convergents[Sqrt[557], 30]] (* _Vincenzo Librandi_, Jan 13 2014 *)
%Y Cf. A042066, A040533.
%K nonn,frac,easy
%O 0,3
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Dec 01 2013