%I #6 Apr 15 2024 11:23:48
%S 1,2,0,1,0,2,1,2,0,2,1,0,1,2,0,1,0,2,1,0,1,2,0,2,1,2,0,1,0,2,1,2,0,2,
%T 1,0,1,2,0,2,1,2,0,1,0,2,1,0,1,2,0,1,0,2,1,2,0,2,1,0,1,2,0,1,0,2,1,0,
%U 1,2,0,2,1,2,0,1,0,2,1,0,1,2,0,1,0,2,1,2,0,2,1,0,1,2,0,2,1,2,0
%N Ternary Thue-Morse sequence: closed under a->abc, b->ac, c->b.
%D M. Lothaire, Combinatorics on Words. Addison-Wesley, Reading, MA, 1983, p. 26.
%H A. Cobham, <a href="http://dx.doi.org/10.1007/BF01706087">Uniform Tag Sequences</a>, Mathematical Systems Theory, 6 (1972), 164-192.
%Y Cf. A036582.
%K nonn
%O 0,2
%A _N. J. A. Sloane_.