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

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A175016 y-values in the solution to x^2-58*y^2=1. 2
0, 2574, 100916244, 3956522259690, 155119411612489896, 6081611647722756602886, 238435666105498983760258620, 9348108719250581509581942852834, 366501950208502632559170667727951184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The corresponding values of x of this Pell equation are in  A174760.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..200

Index entries for linear recurrences with constant coefficients, signature (39206,-1).

FORMULA

a(n) = 39206*a(n-1)-a(n-2) with a(1)=0, a(2)=2574.

G.f.: 2574*x^2/(1-39206*x+x^2).

MATHEMATICA

LinearRecurrence[{39206, -1}, {0, 2574}, 30]

PROG

(MAGMA) I:=[0, 2574]; [n le 2 select I[n] else 39206*Self(n-1)-Self(n-2): n in [1..20]];

CROSSREFS

Cf. A174760.

Sequence in context: A252677 A235882 A156627 * A260104 A031789 A001294

Adjacent sequences:  A175013 A175014 A175015 * A175017 A175018 A175019

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Apr 15 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 | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified November 21 22:32 EST 2017. Contains 295054 sequences.