A102668 Fixed point of the morphism 1 -> 3, 2 -> 1, 3 -> 212, starting with 1.

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

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: A270390 A341472 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