%I #14 Mar 18 2017 12:46:45
%S 19,20,59,79,138,217,355,927,1282,49643,50925,151493,202418,353911,
%T 556329,910240,2376809,3287049,127284671,130571720,388428111,
%U 518999831,907427942,1426427773,2333855715,6094139203,8427994918,326357946087,334785941005,995929828097
%N Numerators of continued fraction convergents to sqrt(389).
%H Vincenzo Librandi, <a href="/A041738/b041738.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_18">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 2564, 0, 0, 0, 0, 0, 0, 0, 0, 1).
%F G.f.: -(x^17 -19*x^16 +20*x^15 -59*x^14 +79*x^13 -138*x^12 +217*x^11 -355*x^10 +927*x^9 +1282*x^8 +927*x^7 +355*x^6 +217*x^5 +138*x^4 +79*x^3 +59*x^2 +20*x +19) / (x^18 +2564*x^9 -1). - _Colin Barker_, Nov 11 2013
%t Numerator[Convergents[Sqrt[389], 30]] (* _Vincenzo Librandi_, Nov 07 2013 *)
%Y Cf. A041739.
%K nonn,cofr,frac,easy
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Nov 11 2013