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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A086106 Decimal expansion of positive root of x^4 - x^3 - 1 = 0. 3
1, 3, 8, 0, 2, 7, 7, 5, 6, 9, 0, 9, 7, 6, 1, 4, 1, 1, 5, 6, 7, 3, 3, 0, 1, 6, 9, 1, 8, 2, 2, 7, 3, 1, 8, 7, 7, 8, 1, 6, 6, 2, 6, 7, 0, 1, 5, 5, 8, 7, 6, 3, 0, 2, 5, 4, 1, 1, 7, 7, 1, 3, 3, 1, 2, 1, 1, 2, 4, 9, 5, 7, 4, 1, 1, 8, 6, 4, 1, 5, 2, 6, 1, 8, 7, 8, 6, 4, 5, 6, 8, 2, 4, 9, 0, 3, 5, 5, 0, 9, 3, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Also the growth constant of the Fibonacci 3-numbers A003269 [Stakhov et al.]. - R. J. Mathar, Nov 05 2008

LINKS

Table of n, a(n) for n=1..102.

A. Stakhov, B. Rozin, Theory of Binet formulas for Fibonacci and Lucas p-numbers, Chaos, Solit. Fractals 27 (2006), 1162-1177.

Eric Weisstein's World of Mathematics, Pisot-Vijayaraghavan Constant

EXAMPLE

1.380277569...

MATHEMATICA

RealDigits[Root[ -1 - #1^3 + #1^4 &, 2], 10, 110][[1]]

PROG

(PARI) polrootsreal( x^4-x^3-1)[2] \\ Charles R Greathouse IV, Apr 14 2014

CROSSREFS

Cf. A060006.

Sequence in context: A155979 A120669 A021267 * A199731 A010626 A198837

Adjacent sequences:  A086103 A086104 A086105 * A086107 A086108 A086109

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Jul 09 2003

STATUS

approved

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

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

Last modified December 19 19:47 EST 2014. Contains 252239 sequences.