%I #5 Apr 19 2017 09:20:17
%S 0,0,1,1,0,0,0,1,1,0,1,0,1,0,0,0,1,1,0,1,0,0,0,1,0,0,1,1,0,0,0,1,1,0,
%T 0,0,1,1,0,1,0,1,0,0,0,1,1,0,1,0,0,0,1,0,0,1,1,0,1,0,1,0,0,0,1,0,0,1,
%U 1,0,1,0,1,0,0,0,1,0,0,1,1,0,0,0,1,1
%N 0limiting word of the morphism 0>10, 1> 001.
%C The morphism 0>10, 1>001 has two limiting words. If the number of iterations is even, the 0word evolves from 0 > 10 > 00110 > 101000100110 > 00110001101010001101000100110; if the number of iterations is odd, the 1word evolves from 0 > 10 > 00110 > 101000100110, as in A285034.
%H Clark Kimberling, <a href="/A285031/b285031.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 > {1, 0}, 1 > {0, 0, 1}}] &, {0}, 8]; (* A285031 *)
%t Flatten[Position[s, 0]]; (* A285032 *)
%t Flatten[Position[s, 1]]; (* A285033 *)
%Y Cf. A285032, A285033, A285034.
%K nonn,easy
%O 1
%A _Clark Kimberling_, Apr 19 2017
