login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A040807 Continued fraction for sqrt(836). 2
28, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56, 1, 10, 1, 1, 2, 1, 1, 10, 1, 56 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..80.

Index entries for continued fractions for constants

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

FORMULA

a(n)=(1/150)*{-797*(n mod 10)+163*[(n+1) mod 10]-107*[(n+2) mod 10]+28*[(n+3) mod 10]+43*[(n+4) mod 10]+13*[(n+5) mod 10]+28*[(n+6) mod 10]+163*[(n+7) mod 10]-107*[(n+8) mod 10]+853*[(n+9) mod 10]}-28*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, May 29 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(836)), confrac);

MATHEMATICA

ContinuedFraction[Sqrt[836], 100] (* or *) PadRight[{28}, 100, {56, 1, 10, 1, 1, 2, 1, 1, 10, 1}] (* Harvey P. Dale, May 20 2019 *)

CROSSREFS

Sequence in context: A040804 A040805 A040806 * A040808 A040809 A040810

Adjacent sequences:  A040804 A040805 A040806 * A040808 A040809 A040810

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 24 01:05 EST 2020. Contains 331178 sequences. (Running on oeis4.)