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A041927
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Denominators of continued fraction convergents to sqrt(486).
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2
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1, 22, 969, 21340, 939929, 20699778, 911730161, 20078763320, 884377316241, 19476379720622, 857845085023609, 18892068250240020, 832108848095584489, 18325286726353098778, 807144724807631930721, 17775509232494255574640
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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 -22*x -1) / (x^4 -970*x^2 +1). - Colin Barker, Nov 27 2013
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MATHEMATICA
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LinearRecurrence[{0, 970, 0, -1}, {1, 22, 969, 21340}, 20] (* Harvey P. Dale, Feb 06 2017 *)
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PROG
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(Magma) I:=[1, 22, 969, 21340]; [n le 4 select I[n] else 970*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Dec 27 2013
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CROSSREFS
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KEYWORD
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nonn,frac,easy,less
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AUTHOR
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STATUS
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approved
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