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!)
A041989 Denominators of continued fraction convergents to sqrt(517). 2
1, 1, 3, 4, 19, 61, 202, 465, 4852, 5317, 79290, 322477, 4593968, 4916445, 53758418, 112433281, 391058261, 1285608064, 5533490517, 6819098581, 19171687679, 25990786260, 1162766283119, 1188757069379, 3540280421877, 4729037491256, 22456430386901 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
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, 1181937970798, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 1181937970798*a(n-22) - a(n-44) for n>43. [Bruno Berselli, Jan 11 2014]
MATHEMATICA
Denominator[Convergents[Sqrt[517], 30]] (* Vincenzo Librandi, Jan 11 2014 *)
CROSSREFS
Cf. A041988.
Sequence in context: A196133 A330436 A025089 * A196198 A041561 A050214
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 11 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 March 28 08:02 EDT 2024. Contains 371236 sequences. (Running on oeis4.)