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A040157
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Continued fraction for sqrt(171).
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0
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13, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13, 26, 13
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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LINKS
| Index entries for continued fractions for constants
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FORMULA
| a(n)=(1/2)[39+13*(-1)^n]-13*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Jun 10 2009]
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MAPLE
| Digits := 100: convert(evalf(sqrt(N)), confrac, 90, 'cvgts'):
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MATHEMATICA
| ContinuedFraction[Sqrt[171], 300] (*From Vladimir Joseph Stephan Orlovsky, Mar 25 2011*)
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CROSSREFS
| Sequence in context: A072519 A060362 A003888 * A003889 A166545 A022347
Adjacent sequences: A040154 A040155 A040156 * A040158 A040159 A040160
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KEYWORD
| nonn,cofr,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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