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%I #18 Jun 26 2022 23:51:19
%S 1,15,16,31,481,29853,448276,478129,926405,14374204,892127053,
%T 13396279999,14288407052,27684687051,429558712817,26660324881705,
%U 400334431938392,426994756820097,827329188758489,12836932588197432,796717149656999273,11963594177443186527
%N Denominators of continued fraction convergents to sqrt(965).
%H Vincenzo Librandi, <a href="/A042867/b042867.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 29884, 0, 0, 0, 0, 1).
%F G.f.: -(x^8 - 15*x^7 + 16*x^6 - 31*x^5 + 481*x^4 + 31*x^3 + 16*x^2 + 15*x + 1) / (x^10 + 29884*x^5 - 1). - _Colin Barker_, Dec 25 2013
%F a(n) = 29884*a(n-5) + a(n-10) for n > 9. - _Vincenzo Librandi_, Dec 25 2013
%t Denominator[Convergents[Sqrt[965], 30]] (* _Vincenzo Librandi_, Dec 25 2013 *)
%o (Magma) I:=[1,15,16,31,481,29853,448276,478129,926405, 14374204]; [n le 10 select I[n] else 29884*Self(n-5)+Self(n-10): n in [1..40]]; // _Vincenzo Librandi_, Dec 25 2013
%Y Cf. A042866, A040933.
%K nonn,frac,easy
%O 0,2
%A _N. J. A. Sloane_
%E More terms from _Colin Barker_, Dec 25 2013