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A041730 Numerators of continued fraction convergents to sqrt(385). 2

%I #11 Jul 17 2023 00:38:02

%S 19,20,39,59,98,157,569,726,2021,2747,10262,13009,23271,36280,59551,

%T 95831,3701129,3796960,7498089,11295049,18793138,30088187,109057699,

%U 139145886,387349471,526495357,1966835542

%N Numerators of continued fraction convergents to sqrt(385).

%H Vincenzo Librandi, <a href="/A041730/b041730.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_32">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, 191662, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

%F a(n) = 191662*a(n-16) - a(n-32) for n>31. [_Bruno Berselli_, Nov 07 2013]

%t Numerator[Convergents[Sqrt[385], 30]] (* _Vincenzo Librandi_, Nov 07 2013 *)

%Y Cf. A041731.

%K nonn,cofr,frac,easy

%O 0,1

%A _N. J. A. Sloane_.

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Last modified May 2 12:49 EDT 2024. Contains 372196 sequences. (Running on oeis4.)