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A175016
y-values in the solution to x^2-58*y^2=1.
2
0, 2574, 100916244, 3956522259690, 155119411612489896, 6081611647722756602886, 238435666105498983760258620, 9348108719250581509581942852834, 366501950208502632559170667727951184
OFFSET
1,2
COMMENTS
The corresponding values of x of this Pell equation are in A174760.
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
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Apr 15 2010
STATUS
approved