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18, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36
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listen;
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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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a(n) = 36 for n >= 1.
G.f.: 18*(1+x)/(1-x).
E.g.f.: 36*exp(x) - 18.
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EXAMPLE
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18 + 1/(36 + 1/(36 + 1/(36 + 1/(36 + ...)))) = sqrt(325).
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MAPLE
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with(numtheory): Digits := 300: convert(evalf(sqrt(325)), confrac);
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MATHEMATICA
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Block[{$MaxExtraPrecision=1000}, ContinuedFraction[Sqrt[325], 100]] (* or *) PadRight[{18}, 100, {36}] (* Harvey P. Dale, Dec 01 2020 *)
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CROSSREFS
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KEYWORD
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nonn,cofr,easy
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AUTHOR
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STATUS
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approved
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