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Fixed point of the morphism 1 -> 3, 2 -> 1, 3 -> 212, starting with 1.
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%I #8 Oct 01 2016 21:17:30

%S 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,

%T 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,

%U 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

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

%C A ternary non-Pisot sequence.

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

%H <a href="/index/Fi#FIXEDPOINTS">Index entries for sequences that are fixed points of mappings</a>

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

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_, Feb 03 2005

%E More terms from _Robert G. Wilson v_, Feb 04 2005