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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105498 Trajectory of 1 under the morphism 1->{1,2}, 2->{1,4}, 3->{3,4}, 4->{3,4}. 0
1, 2, 1, 4, 1, 2, 3, 4, 1, 2, 1, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 1, 2, 1, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 1, 2, 1, 4, 3, 4, 3, 4, 1, 2, 1, 4, 1, 2, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Dekking's topological Markov sets: characteristic polynomial x*(x^3-3*x^2+x+2).

LINKS

Table of n, a(n) for n=0..104.

F. M. Dekking, Recurrent Sets, Advances in Mathematics, vol. 44, no.1, April 1982, page 100, section 4.16.

Index entries for sequences that are fixed points of mappings

MATHEMATICA

Flatten[ Nest[ Flatten[ # /. {1 -> {1, 2}, 2 -> {1, 4}, 3 -> {3, 4}, 4 -> {3, 4}} &], {1}, 7]]

CROSSREFS

Sequence in context: A323300 A105584 A072064 * A179289 A083414 A171174

Adjacent sequences:  A105495 A105496 A105497 * A105499 A105500 A105501

KEYWORD

nonn

AUTHOR

Roger L. Bagula, May 02 2005

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 13 07:13 EST 2019. Contains 329085 sequences. (Running on oeis4.)