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A174760
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x-values in the solution to x^2-58*y^2=1.
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2
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OFFSET
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1,2
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COMMENTS
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The corresponding values of y of this Pell equation are in A175016.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..200
Index entries for linear recurrences with constant coefficients, signature (39206,-1).
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FORMULA
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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).
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MATHEMATICA
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LinearRecurrence[{39206, -1}, {1, 19603}, 30]
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PROG
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(MAGMA) I:=[1, 19603]; [n le 2 select I[n] else 39206*Self(n-1)-Self(n-2): n in [1..20]];
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CROSSREFS
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Cf. A175016.
Sequence in context: A221333 A069369 A156721 * A115472 A022234 A082890
Adjacent sequences: A174757 A174758 A174759 * A174761 A174762 A174763
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KEYWORD
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nonn,easy
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AUTHOR
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Vincenzo Librandi, Apr 13 2010
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STATUS
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approved
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