The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A174760 x-values in the solution to x^2-58*y^2=1. 2
1, 19603, 768555217, 30131975818099, 1181354243155834177, 46316174427035658925363, 1815871933405005800671947601, 71193074974760482994108718719443 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The corresponding values of y of this Pell equation are in A175016.
LINKS
FORMULA
a(n) = 39206*a(n-1)-a(n-2) with a(1)=1, a(2)=19603.
G.f.: x*(1-19603*x)/(1-39206*x+x^2).
MATHEMATICA
LinearRecurrence[{39206, -1}, {1, 19603}, 30]
PROG
(Magma) I:=[1, 19603]; [n le 2 select I[n] else 39206*Self(n-1)-Self(n-2): n in [1..20]];
CROSSREFS
Cf. A175016.
Sequence in context: A221333 A069369 A156721 * A115472 A022234 A082890
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 13 2010
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 24 21:03 EDT 2024. Contains 372781 sequences. (Running on oeis4.)