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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A072117 Continued fraction expansion of smallest Pisot-Vijayaraghavan number (positive root of x^3 = x + 1 ). 1
1, 3, 12, 1, 1, 3, 2, 3, 2, 4, 2, 141, 80, 2, 5, 1, 2, 8, 2, 1, 1, 3, 1, 8, 2, 1, 1, 14, 1, 1, 2, 1, 1, 1, 3, 1, 10, 4, 40, 1, 1, 2, 4, 9, 1, 1, 3, 3, 3, 2, 1, 17, 7, 5, 1, 1, 4, 1, 1, 3, 5, 1, 2, 6, 2, 2, 1, 1, 1, 4, 1, 3, 1, 2, 6, 5, 6, 49, 3, 7, 1, 4, 2, 12, 4, 31, 1, 47, 1, 1, 1, 8, 2, 2, 1, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..97.

EXAMPLE

This number = 1.32471795724474602....

PROG

(PARI) \p150 contfrac(solve(X=1, 2, X^3-X-1))

CROSSREFS

Cf. A060006.

Sequence in context: A101710 A088799 A181405 * A162853 A162854 A110121

Adjacent sequences:  A072114 A072115 A072116 * A072118 A072119 A072120

KEYWORD

base,cofr,easy,nonn

AUTHOR

Benoit Cloitre, Jun 19 2002

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 7 23:55 EST 2016. Contains 278902 sequences.