login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A041583 Denominators of continued fraction convergents to sqrt(309). 2

%I #11 Mar 19 2017 08:53:35

%S 1,1,2,5,7,19,83,102,185,287,2481,15173,17654,191713,209367,1447915,

%T 11792687,13240602,25033289,38273891,178128853,394531597,572660450,

%U 1539852497,2112512947,3652365444,126292938043,129945303487,256238241530,642421786547

%N Denominators of continued fraction convergents to sqrt(309).

%H Vincenzo Librandi, <a href="/A041583/b041583.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_52">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, 0, 0, 0, 0, 128405450990, 0, 0, 0, 0, 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) = 128405450990*a(n-26) - a(n-52) for n>51. - _Vincenzo Librandi_, Dec 20 2013

%t Denominator[Convergents[Sqrt[309], 30]] (* _Vincenzo Librandi_, Dec 20 2013 *)

%Y Cf. A041582.

%K nonn,frac,easy

%O 0,3

%A _N. J. A. Sloane_.

%E More terms from _Vincenzo Librandi_, Dec 20 2013

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 22:15 EDT 2024. Contains 371282 sequences. (Running on oeis4.)