login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A317958 Apply the morphism X -> XYX, where Y=1 if X contains an odd number of 1's, otherwise Y = 2  n times to 12, and concatenate the resulting string. 2
12, 12212, 12212112212, 12212112212112212112212, 12212112212112212112212212212112212112212112212, 12212112212112212112212212212112212112212112212112212112212112212112212212212112212112212112212 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

Karamanos, Kostas. "From symbolic dynamics to a digital approach." International Journal of Bifurcation and Chaos 11.06 (2001): 1683-1694. (Full version. See p. 1685)

Karamanos, K. (2000). From symbolic dynamics to a digital approach: chaos and transcendence. In Michel Planat (Ed.), Noise, Oscillators and Algebraic Randomness (Lecture Notes in Physics, pp. 357-371). Springer, Berlin, Heidelberg. (Short version. See p. 359)

LINKS

Table of n, a(n) for n=0..5.

CROSSREFS

The limit of the terms is A317960.

A317959 is the same sequence over the alphabet {1,0}.

Sequence in context: A159411 A074983 A159413 * A012608 A012735 A012674

Adjacent sequences:  A317955 A317956 A317957 * A317959 A317960 A317961

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 22 2018

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 13 18:03 EDT 2022. Contains 356107 sequences. (Running on oeis4.)