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%I #17 Mar 19 2017 12:38:23
%S 1,1,5,6,353,359,1789,2148,126373,128521,640457,768978,45241181,
%T 46010159,229281817,275291976,16196216425,16471508401,82082250029,
%U 98553758430,5798200238969,5896753997399,29385216228565,35281970225964,2075739489334477,2111021459560441
%N Denominators of continued fraction convergents to sqrt(890).
%H Vincenzo Librandi, <a href="/A042721/b042721.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 358, 0, 0, 0, -1).
%F G.f.: -(x^2-x-1)*(x^4+6*x^2+1) / (x^8-358*x^4+1). - _Colin Barker_, Dec 22 2013
%t Denominator[Convergents[Sqrt[890], 30]] (* _Vincenzo Librandi_, Jan 27 2014 *)
%Y Cf. A042720, A040860.
%K nonn,frac,easy
%O 0,3
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Dec 22 2013
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