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A174761
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x-values in the solution to x^2-59*y^2=1.
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2
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1, 530, 561799, 595506410, 631236232801, 669109811262650, 709255768702176199, 751810445714495508290, 796918363201596536611201, 844732713183246614312364770, 895415879055878209574570044999
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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 A175049.
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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 (1060,-1).
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FORMULA
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a(n) = 1060*a(n-1)-a(n-2) with a(1)=1, a(2)=5030.
G.f.: x*(1-530*x)/(1-1060*x+x^2).
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MATHEMATICA
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LinearRecurrence[{1060, -1}, {1, 530}, 30]
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PROG
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(MAGMA) I:=[1, 530]; [n le 2 select I[n] else 1060*Self(n-1)-Self(n-2): n in [1..20]];
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CROSSREFS
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Cf. A175049.
Sequence in context: A031724 A031611 A098259 * A031967 A031521 A156772
Adjacent sequences: A174758 A174759 A174760 * A174762 A174763 A174764
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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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