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A040055
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Continued fraction for sqrt(63).
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4
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7, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1
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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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Multiplicative with a(2^e) = 14, and a(p^e) = 1 for p >= 5.
Dirichlet g.f.: zeta(s) * (1 + 13/2^s). (End)
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EXAMPLE
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7.9372539331937717715048472... = 7 + 1/(1 + 1/(14 + 1/(1 + 1/(14 + ...)))). - Harry J. Smith, Jun 07 2009
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MAPLE
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Digits := 100: convert(evalf(sqrt(N)), confrac, 90, 'cvgts'):
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MATHEMATICA
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PROG
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(PARI) { allocatemem(932245000); default(realprecision, 25000); x=contfrac(sqrt(63)); for (n=0, 20000, write("b040055.txt", n, " ", x[n+1])); } \\ Harry J. Smith, Jun 07 2009
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CROSSREFS
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Cf. A010516 (decimal expansion), A020820 (decimal expansion of 1/sqrt(63)).
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KEYWORD
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nonn,cofr,easy,mult
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AUTHOR
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STATUS
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approved
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