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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A040540 Continued fraction for sqrt(564). 1
23, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1, 46, 1, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..83.

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/6)*{-55*(n mod 4)+14*[(n+1) mod 4]+11*[(n+2) mod 4]+80*[(n+3) mod 4]}-23*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 14 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(564)), confrac);

MATHEMATICA

ContinuedFraction[Sqrt[564], 90] (* Harvey P. Dale, Oct 26 2011 *)

CROSSREFS

Sequence in context: A022186 A015151 A040539 * A089267 A040538 A040537

Adjacent sequences:  A040537 A040538 A040539 * A040541 A040542 A040543

KEYWORD

nonn,cofr,easy,less

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 23 14:17 EDT 2019. Contains 321431 sequences. (Running on oeis4.)