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A174757
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x-values in the solution to x^2-53*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 A174983.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..200
Index to sequences with linear recurrences with constant coefficients, signature (132498,-1).
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FORMULA
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a(n) = 132498*a(n-1)-a(n-2) with a(1)=1, a(2)=66249.
G.f.: x*(1-66249*x)/(1-132498*x+x^2)
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MATHEMATICA
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LinearRecurrence[{132498, -1}, {1, 66249}, 30]
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PROG
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(MAGMA) I:=[1, 66249]; [n le 2 select I[n] else 132498*Self(n-1)-Self(n-2): n in [1..20]];
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CROSSREFS
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Cf. A174983.
Sequence in context: A156424 A092376 A157620 * A164129 A043591 A022256
Adjacent sequences: A174754 A174755 A174756 * A174758 A174759 A174760
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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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