Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A078690
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A078690 Continued fraction expansion of e^(2/5). +0
1
1, 2, 30, 12, 1, 1, 17, 90, 27, 1, 1, 32, 150, 42, 1, 1, 47, 210, 57, 1, 1, 62, 270, 72, 1, 1, 77, 330, 87, 1, 1, 92, 390, 102, 1, 1, 107, 450, 117, 1, 1, 122, 510, 132, 1, 1, 137, 570, 147, 1, 1, 152, 630, 162, 1, 1, 167, 690, 177, 1, 1, 182, 750, 192, 1, 1, 197, 810, 207 (list; graph; listen)
OFFSET

0,2

LINKS

G. Xiao, Contfrac

K. Matthews, Finding the continued fraction of e^(l/m)

FORMULA

for k>=0, a(5k+1)=15k+2 a(5k+2)=60k+30 a(5k+3)=15k+12 a(5k)=a(5k+4)=1

PROGRAM

(PARI) contfrac(exp(2/5))

CROSSREFS

Cf. A069951.

Sequence in context: A114533 A087194 A058988 this_sequence A071056 A075716 A022377

Adjacent sequences: A078687 A078688 A078689 this_sequence A078691 A078692 A078693

KEYWORD

cofr,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 17 2002

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 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research