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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A100619 Fixed point of the morphism 1 -> 12, 2 -> 31, 3 -> 1, starting from a(1) = 1. 7
 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 3, 1, 1, 1, 2, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 3, 1, 1, 1, 2, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 1, 2, 3, 1, 1, 1, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Sirvent comments that in spite of the similarity of this map to the one in A092782, the two sequences have very different properties. They have different complexities, different Rauzy fractals, etc. LINKS G. C. Greubel, Table of n, a(n) for n = 1..10000 Scott Balchin and Dan Rust, Computations for Symbolic Substitutions, Journal of Integer Sequences, Vol. 20 (2017), Article 17.4.1. Victor F. Sirvent, Semigroups and the self-similar structure of the flipped tribonacci substitution, Applied Math. Letters, 12 (1999), 25-29. Victor F. Sirvent, The common dynamics of the Tribonacci substitutions, Bulletin of the Belgian Mathematical Society-Simon Stevin 7.4 (2000): 571-582. Index entries for sequences that are fixed points of mappings MAPLE f(1):= (1, 2): f(2):= (3, 1): f(3):= (1): B:= [1]: for i from 1 to 12 do B:= map(f, B) od: B; # N. J. A. Sloane, Aug 17 2018 MATHEMATICA Nest[ Function[l, {Flatten[(l /. {1 -> {1, 2}, 2 -> {3, 1}, 3 -> {1}})]}], {1}, 7][[1]] (* Robert G. Wilson v, Feb 26 2005 *) CROSSREFS Cf. A092782. Sequence in context: A086197 A139336 A252168 * A211984 A275471 A094006 Adjacent sequences: A100616 A100617 A100618 * A100620 A100621 A100622 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Dec 03 2004 EXTENSIONS More terms from Robert G. Wilson v, Dec 05 2004 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.

Last modified July 24 02:06 EDT 2024. Contains 374575 sequences. (Running on oeis4.)