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%I #8 Oct 01 2016 20:43:25
%S 0,1,1,2,1,2,0,0,1,2,0,0,0,1,0,1,1,2,0,0,0,1,0,1,0,1,1,2,0,1,1,2,1,2,
%T 0,0,0,1,0,1,0,1,1,2,0,1,1,2,0,1,1,2,1,2,0,0,0,1,1,2,1,2,0,0,1,2,0,0,
%U 0,1,0,1,0,1,1,2,0,1,1,2,0,1,1,2,1,2,0,0,0,1,1,2,1,2,0,0,0,1,1,2,1,2,0,0,1
%N Fixed point of morphism 0 -> 01, 1 -> 12, 2 -> 00.
%H <a href="/index/Fi#FIXEDPOINTS">Index entries for sequences that are fixed points of mappings</a>
%F a(2n) = [a(n)==1], a(2n+1) = (a(n)+1) mod 3.
%t Nest[ Function[ l, {Flatten[(l /. {0 -> {0, 1}, 1 -> {1, 2}, 2 -> {0, 0}}) ]}], {0}, 7] (* _Robert G. Wilson v_, Mar 03 2005 *)
%K nonn,easy
%O 0,4
%A _Ralf Stephan_, Dec 11 2004
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