%I #13 Jun 26 2022 23:31:16
%S 31,63,787,7933,16653,41239,99131,140370,239501,619372,3955733,
%T 4575105,8530838,13105943,21636781,78016286,99653067,875240822,
%U 3600616355,4475857177,12552330709,17028187886
%N Numerators of continued fraction convergents to sqrt(991).
%H Vincenzo Librandi, <a href="/A042918/b042918.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_120">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 759032801813623861276029792160, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
%t Numerator[Convergents[Sqrt[991], 30]] (* _Vincenzo Librandi_, Dec 09 2013 *)
%Y Cf. A042919.
%K nonn,frac,easy
%O 0,1
%A _N. J. A. Sloane_