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A102668 Fixed point of the morphism 1 -> 3, 2 -> 1, 3 -> 212, starting with 1. 0
1, 3, 1, 3, 2, 1, 2, 3, 1, 3, 1, 3, 2, 1, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 1, 2, 3, 1, 3, 1, 3, 2, 1, 2, 3, 1, 3, 1, 3, 2, 1, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 1, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 3, 2, 1, 2, 3, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 1, 2, 3, 2, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

A ternary non-Pisot sequence.

REFERENCES

A. Hof, O. Knill and B. Simon, Singular continuous spectrum for palindromic Schroedinger operators, Commun. Math. Phys. 174 (1995), 149-159.

LINKS

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

Index entries for sequences that are fixed points of mappings

MATHEMATICA

Nest[ Function[l, {Flatten[(l /. {1 -> {3}, 2 -> {1}, 3 -> {2, 1, 2}})]}], {1}, 12] (* Robert G. Wilson v, Feb 04 2005 *)

CROSSREFS

Sequence in context: A262026 A270390 A047787 * A243848 A271617 A057741

Adjacent sequences:  A102665 A102666 A102667 * A102669 A102670 A102671

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Feb 03 2005

EXTENSIONS

More terms from Robert G. Wilson v, Feb 04 2005

STATUS

approved

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Last modified November 22 00:32 EST 2019. Contains 329383 sequences. (Running on oeis4.)