%I #13 Jun 13 2015 00:49:37
%S 20,41,61,102,979,1081,2060,5201,210100,425401,635501,1060902,
%T 10183619,11244521,21428140,54100801,2185460180,4425021161,6610481341,
%U 11035502502,105930003859,116965506361,222895510220,562756526801,22733156582260,46029069691321
%N Numerators of continued fraction convergents to sqrt(416).
%H Vincenzo Librandi, <a href="/A041790/b041790.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 (0,0,0,0,0,0,0,10402,0,0,0,0,0,0,0,-1).
%F G.f.: -(x^15 -20*x^14 +41*x^13 -61*x^12 +102*x^11 -979*x^10 +1081*x^9 -2060*x^8 -5201*x^7 -2060*x^6 -1081*x^5 -979*x^4 -102*x^3 -61*x^2 -41*x -20) / ((x^4 -10*x^2 -1)*(x^4 +10*x^2 -1)*(x^8 +102*x^4 +1)). - _Colin Barker_, Nov 24 2013
%t Numerator[Convergents[Sqrt[416], 30]] (* _Vincenzo Librandi_, Nov 09 2013 *)
%Y Cf. A041791, A040395.
%K nonn,cofr,frac,easy,less
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Nov 24 2013