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A042115
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Denominators of continued fraction convergents to sqrt(582).
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2
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1, 8, 385, 3088, 148609, 1191960, 57362689, 460093472, 22141849345, 177594888232, 8546696484481, 68551166764080, 3299002701160321, 26460572776046648, 1273406495951399425, 10213712540387242048, 491531608434539017729, 3942466580016699383880
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OFFSET
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0,2
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LINKS
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FORMULA
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G.f.: -(x^2-8*x-1) / (x^4-386*x^2+1). - Colin Barker, Dec 02 2013
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MATHEMATICA
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LinearRecurrence[{0, 386, 0, -1}, {1, 8, 385, 3088}, 20] (* Harvey P. Dale, May 14 2021 *)
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PROG
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(Magma) I:=[1, 8, 385, 3088]; [n le 4 select I[n] else 386*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Jan 15 2014
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CROSSREFS
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KEYWORD
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nonn,frac,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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