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A040419
Continued fraction for sqrt(440).
1
20, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40, 1, 40
OFFSET
0,1
FORMULA
From Amiram Eldar, Dec 26 2023: (Start)
Multiplicative with a(2^e) = 40, and a(p^e) = 1 for an odd prime p.
Dirichlet g.f.: zeta(s) * (1 + 39/2^s). (End)
MAPLE
with(numtheory): Digits := 300: convert(evalf(sqrt(440)), confrac);
MATHEMATICA
ContinuedFraction[Sqrt[440], 100] (* or *) PadRight[{20}, 100, {40, 1}] (* Harvey P. Dale, Apr 13 2012 *)
CROSSREFS
Sequence in context: A084923 A141589 A162153 * A200092 A164812 A332258
KEYWORD
nonn,cofr,easy,mult
STATUS
approved