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A040200 Continued fraction for sqrt(215). 1
14, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1, 28, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
FORMULA
From Amiram Eldar, Nov 29 2023: (Start)
Multiplicative with a(2) = 1, a(2^e) = 28 for e >= 2, and a(p^e) = 1 for an odd prime p.
Dirichlet g.f.: zeta(s) * (1 + 27/4^s). (End)
MAPLE
with(numtheory): Digits := 300: convert(evalf(sqrt(215)), confrac);
MATHEMATICA
ContinuedFraction[Sqrt[215], 90] (* Harvey P. Dale, Nov 24 2011 *)
PadRight[{14}, 90, {28, 1, 1, 1}] (* Harvey P. Dale, Aug 05 2021 *)
CROSSREFS
Sequence in context: A232210 A040199 A173747 * A040198 A040197 A040196
KEYWORD
nonn,cofr,easy,mult
AUTHOR
STATUS
approved

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Last modified April 15 04:31 EDT 2024. Contains 371667 sequences. (Running on oeis4.)