login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A040093 Continued fraction for sqrt(104). 0
10, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5, 20, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..65.

Index entries for continued fractions for constants

Index entries for linear recurrences with constant coefficients, signature (0, 1).

FORMULA

a(n)=(1/2)[25+15*(-1)^n]-10*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Jun 10 2009]

MAPLE

Digits := 100: convert(evalf(sqrt(N)), confrac, 90, 'cvgts'):

MATHEMATICA

ContinuedFraction[Sqrt[104], 300] (* Vladimir Joseph Stephan Orlovsky, Mar 11 2011*)

CROSSREFS

Sequence in context: A045617 A158486 A280154 * A046797 A147675 A050136

Adjacent sequences:  A040090 A040091 A040092 * A040094 A040095 A040096

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified February 18 03:43 EST 2018. Contains 299298 sequences. (Running on oeis4.)