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A040223
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Continued fraction for sqrt(239).
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0
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15, 2, 5, 1, 2, 4, 15, 4, 2, 1, 5, 2, 30, 2, 5, 1, 2, 4, 15, 4, 2, 1, 5, 2, 30, 2, 5, 1, 2, 4, 15, 4, 2, 1, 5, 2, 30, 2, 5, 1, 2, 4, 15, 4, 2, 1, 5, 2, 30, 2, 5, 1, 2, 4, 15, 4, 2, 1, 5, 2, 30, 2, 5, 1, 2, 4, 15, 4, 2, 1, 5, 2, 30, 2, 5, 1, 2, 4, 15, 4, 2, 1, 5, 2, 30, 2, 5
(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)=(1/792)*{-1775*(n mod 12)+271*[(n+1) mod 12]-191*[(n+2) mod 12]+139*[(n+3) mod 12]+205*[(n+4) mod 12]+799*[(n+5) mod 12]-653*[(n+6) mod 12]-59*[(n+7) mod 12]+7*[(n+8) mod 12]+337*[(n+9) mod 12]-125*[(n+10) mod 12]+1921*[(n+11) mod 12]}-15*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Apr 23 2009]
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MAPLE
| with(numtheory): Digits := 300: convert(evalf(sqrt(239)), confrac);
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MATHEMATICA
| ContinuedFraction[Sqrt[239], 90] (* From Harvey P. Dale, Oct 31 2011 *)
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CROSSREFS
| Sequence in context: A146989 A166031 A040222 * A076595 A040224 A040217
Adjacent sequences: A040220 A040221 A040222 * A040224 A040225 A040226
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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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