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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A042259 Denominators of continued fraction convergents to sqrt(655). 2
1, 1, 2, 5, 27, 86, 199, 1678, 16979, 137510, 291999, 1013507, 5359534, 11732575, 17092109, 28824684, 1458326309, 1487150993, 2945477302, 7378105597, 39836005287, 126886121458, 293608248203, 2475752107082, 25051129319023, 202884786659266 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1475418418, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

FORMULA

a(n) = 1475418418*a(n-16) - a(n-32) for n>31. - Vincenzo Librandi, Jan 19 2014

MATHEMATICA

Denominator[Convergents[Sqrt[655], 30]] (* Vincenzo Librandi, Jan 19 2014 *)

CROSSREFS

Cf. A042258.

Sequence in context: A299104 A090744 A041571 * A100105 A087130 A265266

Adjacent sequences:  A042256 A042257 A042258 * A042260 A042261 A042262

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Jan 19 2014

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 17 07:05 EDT 2018. Contains 316276 sequences. (Running on oeis4.)