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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A010221 Continued fraction for sqrt(177). 1
13, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8, 2, 3, 3, 26, 3, 3, 2, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..76.

G. Xiao, Contfrac

Index entries for continued fractions for constants

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

FORMULA

a(n) = (1/112)*(-297*(n mod 8) + 25*((n+1) mod 8) + 11*((n+2) mod 8) + 109*((n+3) mod 8) - 59*((n+4) mod 8) + 39*((n+5) mod 8) + 25*((n+6) mod 8) + 347*((n+7) mod 8)) - 13*(C(2*n,n) mod 2), with n >= 0. - Paolo P. Lava, Jul 28 2009

MATHEMATICA

ContinuedFraction[Sqrt[177], 300] (* Vladimir Joseph Stephan Orlovsky, Mar 26 2011 *)

CROSSREFS

Sequence in context: A104818 A280009 A117540 * A113172 A128154 A213538

Adjacent sequences:  A010218 A010219 A010220 * A010222 A010223 A010224

KEYWORD

nonn,cofr

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 October 21 08:47 EDT 2019. Contains 328292 sequences. (Running on oeis4.)