A086180 Decimal expansion of 1 + sqrt(6).

3, 4, 4, 9, 4, 8, 9, 7, 4, 2, 7, 8, 3, 1, 7, 8, 0, 9, 8, 1, 9, 7, 2, 8, 4, 0, 7, 4, 7, 0, 5, 8, 9, 1, 3, 9, 1, 9, 6, 5, 9, 4, 7, 4, 8, 0, 6, 5, 6, 6, 7, 0, 1, 2, 8, 4, 3, 2, 6, 9, 2, 5, 6, 7, 2, 5, 0, 9, 6, 0, 3, 7, 7, 4, 5, 7, 3, 1, 5, 0, 2, 6, 5, 3, 9, 8, 5, 9, 4, 3, 3, 1, 0, 4, 6, 4, 0, 2, 3, 4, 8, 1

Offset

1,1

Comments

Onset of 4-cycle in the logistic equation.

Links

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

A. Burbanks, Period Doubling:Iteration of the Logistic Map

K. Cogswell, WebDiagram Applet

M. Cross, The Period Doubling Route To Chaos

B. Fraser, Iterated Maps

A. Hood, Logistic Equation

P. Kernan, Logistic Map(Cobweb Construction)

P. Kernan, Logistic Map(Time Series)

D. Marthaler, Logistic Map

J. McDonald, Iteration versus time for the Logistic map

F. Wattenberg, An Applet in a Window--Cobweb Diagrams

Eric Weisstein's World of Mathematics, Logistic Map

0. Knill, Attractor of quadratic map

Index entries for algebraic numbers, degree 2

Formula

Equals A010464 plus 1. - R. J. Mathar, Sep 12 2008

Example

3.4494...

Mathematica

RealDigits[1+Sqrt[6], 10, 120][[1]] (* Harvey P. Dale, Jul 28 2012 *)

Crossrefs

Cf. A086178.

Sequence in context: A339190 A137529 A245258 * A016608 A087328 A368163

Adjacent sequences: A086177 A086178 A086179 * A086181 A086182 A086183

Keyword

nonn,cons,easy

Author

Eric W. Weisstein, Jul 11 2003

Status

approved