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A041412
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Numerators of continued fraction convergents to sqrt(221).
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2
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14, 15, 104, 223, 1442, 1665, 48062, 49727, 346424, 742575, 4801874, 5544449, 160046446, 165590895, 1153591816, 2472774527, 15990238978, 18463013505, 532954617118, 551417630623, 3841460400856, 8234338432335, 53247490994866, 61481829427201, 1774738714956494
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OFFSET
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0,1
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,3330,0,0,0,0,0,-1).
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FORMULA
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G.f.: -(x^11 -14*x^10 +15*x^9 -104*x^8 +223*x^7 -1442*x^6 -1665*x^5 -1442*x^4 -223*x^3 -104*x^2 -15*x -14) / ((x^4 -15*x^2 +1)*(x^8 +15*x^6 +224*x^4 +15*x^2 +1)). - Colin Barker, Nov 07 2013
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MATHEMATICA
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LinearRecurrence[{0, 0, 0, 0, 0, 3330, 0, 0, 0, 0, 0, -1}, {14, 15, 104, 223, 1442, 1665, 48062, 49727, 346424, 742575, 4801874, 5544449}, 30] (* Harvey P. Dale, Jul 13 2024 *)
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CROSSREFS
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KEYWORD
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nonn,cofr,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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