login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A040742 Continued fraction for sqrt(770). 1
27, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1, 54, 1, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
FORMULA
From Amiram Eldar, Jan 10 2024: (Start)
Multiplicative with a(2) = 2, a(2^e) = 54 for e >= 2, and a(p^e) = 1 for an odd prime p.
Dirichlet g.f.: zeta(s) * (1 + 1/2^s + 13/2^(2*s-2)). (End)
MAPLE
with(numtheory): Digits := 300: convert(evalf(sqrt(770)), confrac);
MATHEMATICA
ContinuedFraction[Sqrt[770], 120] (* Harvey P. Dale, Apr 22 2011 *)
CROSSREFS
Sequence in context: A040730 A040729 A040741 * A040740 A040739 A040738
KEYWORD
nonn,cofr,easy,mult
AUTHOR
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 21 16:20 EDT 2024. Contains 374475 sequences. (Running on oeis4.)