%I
%S 1,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,0,1,
%T 0,1,1,1,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1,1,1,0,1,1,1,0,1,
%U 1,1,0,1,0,1,0,1,1,1,0,1,1,1,0,1,1,1
%N Limiting 1word of the morphism 0 > 11, 1 > 01.
%H Clark Kimberling, <a href="/A285384/b285384.txt">Table of n, a(n) for n = 1..10000</a>
%H <a href="/index/Fi#FIXEDPOINTS">Index entries for sequences that are fixed points of mappings</a>
%F a(n) = A285383(n) for n>=2.
%e 0 > 11> 0101 > 11011101 > 0101110101011101 >
%t s = Nest[Flatten[# /. {0 > {1, 1}, 1 > {0, 1}}] &, {0}, 16] (* A285384 *)
%t Flatten[Position[s, 0]] (* A072939 *)
%t Flatten[Position[s, 1]] (* A285385 *)
%Y Cf. A072939, A285383, A285385.
%K nonn,easy
%O 1
%A _Clark Kimberling_, Apr 26 2017
%E NAME corrected.  _R. J. Mathar_, Nov 05 2019
