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A042439
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Denominators of continued fraction convergents to sqrt(747).
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2
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1, 3, 163, 492, 26731, 80685, 4383721, 13231848, 718903513, 2169942387, 117895792411, 355857319620, 19334191051891, 58358430475293, 3170689436717713, 9570426740628432, 519973733430653041, 1569491627032587555, 85272521593190381011, 257387056406603730588
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OFFSET
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0,2
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0, 164, 0, -1).
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FORMULA
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G.f.: -(x^2-3*x-1) / (x^4-164*x^2+1). - Colin Barker, Dec 14 2013
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MATHEMATICA
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Denominator[Convergents[Sqrt[747], 30]] (* Vincenzo Librandi, Jan 22 2014 *)
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CROSSREFS
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Cf. A042438, A040719.
Sequence in context: A157559 A157586 A341224 * A212845 A212806 A030258
Adjacent sequences: A042436 A042437 A042438 * A042440 A042441 A042442
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KEYWORD
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nonn,frac,easy
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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More terms from Colin Barker, Dec 14 2013
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STATUS
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approved
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