login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A042001 Denominators of continued fraction convergents to sqrt(523). 2

%I

%S 1,1,7,8,15,23,107,237,818,11689,12507,274336,286843,4290138,13157257,

%T 30604652,135575865,166180517,301756382,467936899,3109377776,

%U 3577314675,160511223476,164088538151,1145042452382,1309130990533,2454173442915,3763304433448

%N Denominators of continued fraction convergents to sqrt(523).

%H Vincenzo Librandi, <a href="/A042001/b042001.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_44">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, 0, 0, 163620601252, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

%F a(n) = 163620601252*a(n-22) - a(n-44) for n>43. [_Bruno Berselli_, Jan 12 2014]

%t Denominator[Convergents[Sqrt[523], 40]] (* _Vincenzo Librandi_, Jan 12 2014 *)

%Y Cf. A042000.

%K nonn,frac,easy

%O 0,3

%A _N. J. A. Sloane_.

%E More terms from _Vincenzo Librandi_, Jan 12 2014

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 19 11:03 EDT 2019. Contains 321329 sequences. (Running on oeis4.)