%I #15 Mar 18 2017 18:12:44
%S 30,31,123,154,585,11854,36147,48001,180150,228151,13869210,14097361,
%T 56161293,70258654,266937255,5409003754,16493948517,21902952271,
%U 82202805330,104105757601,6328548261390,6432654018991,25626510318363,32059164337354
%N Numerators of continued fraction convergents to sqrt(948).
%H Vincenzo Librandi, <a href="/A042834/b042834.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_20">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 456302, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
%F G.f.: -(x^19 -30*x^18 +31*x^17 -123*x^16 +154*x^15 -585*x^14 +11854*x^13 -36147*x^12 +48001*x^11 -180150*x^10 -228151*x^9 -180150*x^8 -48001*x^7 -36147*x^6 -11854*x^5 -585*x^4 -154*x^3 -123*x^2 -31*x -30) / (x^20 -456302*x^10 +1). - _Colin Barker_, Dec 24 2013
%t Numerator[Convergents[Sqrt[948], 30]] (* _Vincenzo Librandi_, Dec 06 2013 *)
%Y Cf. A042835, A040917.
%K nonn,frac,easy
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Dec 24 2013