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%I #15 Jun 28 2023 22:15:58
%S 28,29,811,840,47851,48691,1362508,1411199,80389652,81800851,
%T 2289012629,2370813480,135054567509,137425380989,3845539854212,
%U 3982965235201,226891593025468,230874558260669,6460504666063531
%N Numerators of continued fraction convergents to sqrt(839).
%H Vincenzo Librandi, <a href="/A042620/b042620.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,1680,0,0,0,-1).
%F G.f.: (28 + 29*x + 811*x^2 + 840*x^3 + 811*x^4 - 29*x^5 + 28*x^6 - x^7) / (1 - 1680*x^4 + x^8). [_Bruno Berselli_, Nov 30 2013]
%t Numerator[Convergents[Sqrt[839], 30]] (* _Harvey P. Dale_, Apr 20 2013 *)
%Y Cf. A042621.
%K nonn,cofr,frac,easy
%O 0,1
%A _N. J. A. Sloane_.
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