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A042302
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Numerators of continued fraction convergents to sqrt(678).
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2
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26, 677, 35230, 916657, 47701394, 1241152901, 64587652246, 1680520111297, 87451633439690, 2275422989543237, 118409447089688014, 3080921047321431601, 160326303907804131266, 4171564822650228844517, 217081697081719704046150
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OFFSET
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0,1
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LINKS
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FORMULA
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MATHEMATICA
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Numerator[Convergents[Sqrt[678], 20]] (* Harvey P. Dale, Oct 08 2012 *)
CoefficientList[Series[(26 + 677 x + 26 x^2 - x^3)/(1 - 1354 x^2 + x^4), {x, 0, 30}], x] (* Vincenzo Librandi, Nov 21 2013 *)
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PROG
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(Magma) I:=[26, 677, 35230, 916657]; [n le 4 select I[n] else 1354*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Nov 21 2013
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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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STATUS
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approved
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