A106749 Define the morphism f: 1->113, 2->13, 3->2; sequence gives trajectory of 1 under f.

1, 1, 3, 1, 1, 3, 2, 1, 1, 3, 1, 1, 3, 2, 1, 3, 1, 1, 3, 1, 1, 3, 2, 1, 1, 3, 1, 1, 3, 2, 1, 3, 1, 1, 3, 2, 1, 1, 3, 1, 1, 3, 2, 1, 1, 3, 1, 1, 3, 2, 1, 3, 1, 1, 3, 1, 1, 3, 2, 1, 1, 3, 1, 1, 3, 2, 1, 3, 1, 1, 3, 2, 1, 1, 3, 1, 1, 3, 2, 1, 3, 1, 1, 3, 1, 1, 3, 2, 1, 1, 3, 1, 1, 3, 2, 1, 3, 1, 1, 3, 1, 1, 3, 2, 1

Offset

0,3

References

E. Bombieri and J. Taylor, Which distribution of matter diffracts? An initial investigation, in International Workshop on Aperiodic Crystals (Les Houches, 1986), J. de Physique, Colloq. C3, 47 (1986), C3-19 to C3-28.

Links

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

Index entries for sequences that are fixed points of mappings

Mathematica

Nest[ Flatten[ # /. {1 -> {1, 1, 3}, 2 -> {1, 3}, 3 -> 2}] &, {1}, 6] (* Robert G. Wilson v, May 17 2005 *)

Crossrefs

Cf. A106748.

Sequence in context: A054398 A093415 A233508 * A225224 A140216 A176514

Adjacent sequences: A106746 A106747 A106748 * A106750 A106751 A106752

Keyword

nonn,easy

Author

N. J. A. Sloane, May 16 2005

Extensions

More terms from Robert G. Wilson v, May 17 2005

Status

approved