Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A040661
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A040661 Continued fraction for sqrt(688). +0
1
26, 4, 2, 1, 5, 7, 3, 7, 5, 1, 2, 4, 52, 4, 2, 1, 5, 7, 3, 7, 5, 1, 2, 4, 52, 4, 2, 1, 5, 7, 3, 7, 5, 1, 2, 4, 52, 4, 2, 1, 5, 7, 3, 7, 5, 1, 2, 4, 52, 4, 2, 1, 5, 7, 3, 7, 5, 1, 2, 4, 52, 4, 2, 1, 5, 7, 3, 7, 5, 1, 2, 4, 52, 4, 2, 1, 5, 7, 3, 7, 5, 1, 2, 4, 52, 4, 2, 1, 5, 7 (list; graph; listen)
OFFSET

0,1

LINKS

Index entries for continued fractions for constants

FORMULA

a(n)=(1/264)*{-1025*(n mod 12)-13*[(n+1) mod 12]+9*[(n+2) mod 12]+119*[(n+3) mod 12]+75*[(n+4) mod 12]-57*[(n+5) mod 12]+119*[(n+6) mod 12]-13*[(n+7) mod 12]-57*[(n+8) mod 12]+53*[(n+9) mod 12]+75*[(n+10) mod 12]+1087*[(n+11) mod 12]}-26*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), May 18 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(688)), confrac);

CROSSREFS

Sequence in context: A040665 A040666 A040660 this_sequence A140871 A040662 A082058

Adjacent sequences: A040658 A040659 A040660 this_sequence A040662 A040663 A040664

KEYWORD

nonn,cofr,easy

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


AT&T Labs Research