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A036580
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Ternary Thue-Morse sequence: closed under a->abc, b->ac, c->b.
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7
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0, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2, 0, 2, 1, 0, 2, 0, 1, 2, 0, 2, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 1, 0, 1, 2
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OFFSET
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0,3
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COMMENTS
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REFERENCES
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M. Lothaire, Combinatorics on Words. Addison-Wesley, Reading, MA, 1983, p. 26.
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LINKS
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MATHEMATICA
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Nest[Flatten[# /. {0 -> {0, 1, 2}, 1 -> {0, 2}, 2 -> {1}}] &, {1}, 7] (* Robert G. Wilson v, Jul 30 2018 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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