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A042522 Numerators of continued fraction convergents to sqrt(790). 2

%I

%S 28,253,534,787,4469,5256,9725,34431,147449,181880,874969,1056849,

%T 5102365,16363944,21466309,37830253,210617574,248447827,707513228,

%U 6616066879,371207258452,3347481392947,7066170044346

%N Numerators of continued fraction convergents to sqrt(790).

%H Vincenzo Librandi, <a href="/A042522/b042522.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_40">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13232133758, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

%F a(n) = 13232133758*a(n-20) - a(n-40) for n>39. [_Bruno Berselli_, Nov 26 2013]

%t Numerator[Convergents[Sqrt[790], 30]] (* _Vincenzo Librandi_, Nov 25 2013 *)

%Y Cf. A042523.

%K nonn,cofr,frac,easy

%O 0,1

%A _N. J. A. Sloane_.

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Last modified September 19 06:21 EDT 2021. Contains 347551 sequences. (Running on oeis4.)