%I #13 Jun 13 2015 00:49:39
%S 1,1,2,3,140,143,283,426,19879,20305,40184,60489,2822678,2883167,
%T 5705845,8589012,400800397,409389409,810189806,1219579215,56910833696,
%U 58130412911,115041246607,173171659518,8080937584435,8254109243953,16335046828388,24589156072341
%N Denominators of continued fraction convergents to sqrt(560).
%H Vincenzo Librandi, <a href="/A042073/b042073.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 (0,0,0,142,0,0,0,-1).
%F G.f.: -(x^2-x-1)*(x^4+3*x^2+1) / ((x^4-12*x^2+1)*(x^4+12*x^2+1)). - _Colin Barker_, Dec 01 2013
%t Denominator[Convergents[Sqrt[560], 30]] (* _Vincenzo Librandi_, Jan 13 2014 *)
%Y Cf. A042072, A040536.
%K nonn,cofr,frac,easy
%O 0,3
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Dec 01 2013