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!)
A042919 Denominators of continued fraction convergents to sqrt(991). 2
1, 2, 25, 252, 529, 1310, 3149, 4459, 7608, 19675, 125658, 145333, 270991, 416324, 687315, 2478269, 3165584, 27802941, 114377348, 142180289, 398737926, 540918215, 1480574356, 4982641283, 6463215639, 30835503839, 37298719478, 776809893399 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

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, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 759032801813623861276029792160, 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, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

MATHEMATICA

Denominator[Convergents[Sqrt[991], 30]] (* Harvey P. Dale, Nov 13 2012 *)

CROSSREFS

Cf. A042918, A040959.

Sequence in context: A074438 A068176 A131585 * A229975 A174970 A249893

Adjacent sequences:  A042916 A042917 A042918 * A042920 A042921 A042922

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Feb 01 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 20 09:02 EDT 2022. Contains 353870 sequences. (Running on oeis4.)