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A040460
Continued fraction for sqrt(482).
2
21, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20, 1, 42, 1, 20
OFFSET
0,1
FORMULA
From Amiram Eldar, Dec 26 2023: (Start)
Multiplicative with a(2) = 20, a(2^e) = 42 for e >= 2, and a(p^e) = 1 for an odd prime p.
Dirichlet g.f.: zeta(s) * (1 + 19/2^s + 11/2^(2*s-1)). (End)
MAPLE
with(numtheory): Digits := 300: convert(evalf(sqrt(482)), confrac);
MATHEMATICA
ContinuedFraction[Sqrt[482], 120] (* or *) PadRight[{21}, 120, {42, 1, 20, 1}] (* Harvey P. Dale, Aug 20 2015 *)
CROSSREFS
Sequence in context: A040458 A093192 A040459 * A040461 A260531 A252939
KEYWORD
nonn,cofr,easy,less,mult
STATUS
approved