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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A040404 Continued fraction for sqrt(425). 0
20, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1, 1, 1, 1, 1, 40, 1, 1 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Index entries for continued fractions for constants

FORMULA

a(n)=(1/147)*{-773*(n mod 7)+46*[(n+1) mod 7]+46*[(n+2) mod 7]+46*[(n+3) mod 7]+46*[(n+4) mod 7]+46*[(n+5) mod 7]+865*[(n+6) mod 7]}-20*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Apr 30 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(425)), confrac);

CROSSREFS

Sequence in context: A086684 A198800 A060430 * A040405 A040406 A040403

Adjacent sequences:  A040401 A040402 A040403 * A040405 A040406 A040407

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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

Content is available under The OEIS End-User License Agreement .

Last modified February 16 20:10 EST 2012. Contains 205960 sequences.