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Search: id:A040041
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A040041 Continued fraction for sqrt(48). +0
3
6, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1 (list; graph; listen)
OFFSET

0,1

LINKS

Harry J. Smith, Table of n, a(n) for n=0,...,20000

G. Xiao, Contfrac

Index entries for continued fractions for constants

FORMULA

a(n)=(1/2)*[13+11*(-1)^n]-6*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Jun 09 2009]

EXAMPLE

6.9282032302755091741097853... = 6 + 1/(1 + 1/(12 + 1/(1 + 1/(12 + ...)))) [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 06 2009]

MAPLE

Digits := 100: convert(evalf(sqrt(N)), confrac, 90, 'cvgts'):

PROGRAM

(PARI) { allocatemem(932245000); default(realprecision, 24000); x=contfrac(sqrt(48)); for (n=0, 20000, write("b040041.txt", n, " ", x[n+1])); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 06 2009]

CROSSREFS

Cf. A010502 Decimal expansion. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 06 2009]

Sequence in context: A127142 A046618 A107348 this_sequence A162933 A090850 A163945

Adjacent sequences: A040038 A040039 A040040 this_sequence A040042 A040043 A040044

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


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