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A041731 Denominators of continued fraction convergents to sqrt(385). 2

%I #15 Jul 17 2023 00:38:45

%S 1,1,2,3,5,8,29,37,103,140,523,663,1186,1849,3035,4884,188627,193511,

%T 382138,575649,957787,1533436,5558095,7091531,19741157,26832688,

%U 100239221,127071909,227311130,354383039,581694169,936077208,36152628073,37088705281

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

%H Vincenzo Librandi, <a href="/A041731/b041731.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. - _Vincenzo Librandi_, Dec 23 2013

%t Denominator[Convergents[Sqrt[385], 30]] (* _Harvey P. Dale_, Nov 08 2011 *)

%Y Cf. A041730.

%K nonn,frac,easy

%O 0,3

%A _N. J. A. Sloane_.

%E More terms from _Vincenzo Librandi_, Dec 23 2013

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Last modified May 13 06:37 EDT 2024. Contains 372498 sequences. (Running on oeis4.)