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!)
A006891 Decimal expansion of Feigenbaum reduction parameter.
(Formerly M1311)
8
2, 5, 0, 2, 9, 0, 7, 8, 7, 5, 0, 9, 5, 8, 9, 2, 8, 2, 2, 2, 8, 3, 9, 0, 2, 8, 7, 3, 2, 1, 8, 2, 1, 5, 7, 8, 6, 3, 8, 1, 2, 7, 1, 3, 7, 6, 7, 2, 7, 1, 4, 9, 9, 7, 7, 3, 3, 6, 1, 9, 2, 0, 5, 6, 7, 7, 9, 2, 3, 5, 4, 6, 3, 1, 7, 9, 5, 9, 0, 2, 0, 6, 7, 0, 3, 2, 9, 9, 6, 4, 9, 7, 4, 6, 4, 3, 3, 8, 3, 4, 1, 2, 9, 5, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

S. R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, pp. 65-76

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..1018

K. Briggs, A precise calculation of the Feigenbaum constants, Math. Comp., 57 (1991), 435-439.

B. Derrida, A. Gervois and Y. Pomeau, Universal metric properties of bifurcations, J. Phys. A 12 (1979), 269-296.

R. J. Mathar, Chebyshev series representation of Feigenbaum's period-doubling function, arXiv:1008.4608 [math.DS]

Simon Plouffe, Feigenbaum constants

_Simon Plouffe_, Plouffe's Inverter, Feigenbaum constants to 1018 decimal places

Eric Weisstein's World of Mathematics, Feigenbaum Constant

Wikipedia, Feigenbaum constants.

EXAMPLE

2.502907875095892822283902873218215786381271376727149977336192056779235...

CROSSREFS

Cf. A006890 (Feigenbaum bifurcation velocity), A159767 (continued fraction).

Sequence in context: A011183 A005671 A127863 * A054675 A136209 A212248

Adjacent sequences:  A006888 A006889 A006890 * A006892 A006893 A006894

KEYWORD

cons,nonn,nice

AUTHOR

N. J. A. Sloane, Colin Mallows, Jeffrey Shallit

EXTENSIONS

More terms from Simon Plouffe, Jan 06 2002

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 17 14:23 EST 2014. Contains 252022 sequences.