Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A010162
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A010162 Continued fraction for sqrt(91). +0
2
9, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5, 1, 1, 18, 1, 1, 5, 1, 5 (list; graph; listen)
OFFSET

0,1

LINKS

Harry J. Smith, Table of n, a(n) for n=0,...,20000

G. Xiao, Contfrac

Index entries for continued fractions for constants

FORMULA

a(n)=(1/224)*{-443*(n mod 8)+33*[(n+1) mod 8]+145*[(n+2) mod 8]-79*[(n+3) mod 8]+145*[(n+4) mod 8]-79*[(n+5) mod 8]+33*[(n+6) mod 8]+509*[(n+7) mod 8]}-9*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Jul 24 2009]

EXAMPLE

9.539392014169456491526215860... = 9 + 1/(1 + 1/(1 + 1/(5 + 1/(1 + ...)))) [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 11 2009]

PROGRAM

(PARI) { allocatemem(932245000); default(realprecision, 18000); x=contfrac(sqrt(91)); for (n=0, 20000, write("b010162.txt", n, " ", x[n+1])); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 11 2009]

CROSSREFS

Cf. A010542 Decimal expansion. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 11 2009]

Sequence in context: A010163 A109012 A037478 this_sequence A072224 A085660 A092578

Adjacent sequences: A010159 A010160 A010161 this_sequence A010163 A010164 A010165

KEYWORD

nonn,cofr

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 November 25 14:49 EST 2009. Contains 167514 sequences.


AT&T Labs Research