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%I #14 Jun 13 2015 00:49:37
%S 21,22,43,65,173,238,411,649,27669,28318,55987,84305,224597,308902,
%T 533499,842401,35914341,36756742,72671083,109427825,291526733,
%U 400954558,692481291,1093435849,46616786949,47710222798,94327009747,142037232545,378401474837
%N Numerators of continued fraction convergents to sqrt(468).
%H Vincenzo Librandi, <a href="/A041892/b041892.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 (0,0,0,0,0,0,0,1298,0,0,0,0,0,0,0,-1).
%F G.f.: -(x^15 -21*x^14 +22*x^13 -43*x^12 +65*x^11 -173*x^10 +238*x^9 -411*x^8 -649*x^7 -411*x^6 -238*x^5 -173*x^4 -65*x^3 -43*x^2 -22*x -21) / ((x^8 -36*x^4 -1)*(x^8 +36*x^4 -1)). - _Colin Barker_, Nov 26 2013
%t Numerator[Convergents[Sqrt[468], 30]] (* _Vincenzo Librandi_, Nov 11 2013 *)
%Y Cf. A041893, A040446.
%K nonn,cofr,frac,easy,less
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from _Colin Barker_, Nov 26 2013
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