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A106698
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Three-symbol substitution: characteristic polynomial: x^3-x^2-3*x-3.
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0
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1, 2, 1, 2, 1, 2, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 1, 2, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 1, 2, 2, 3, 1, 2, 1, 2, 3, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 1, 2, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2, 3, 1, 2, 1, 2, 3, 1, 2, 1, 2
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OFFSET
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0,2
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LINKS
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FORMULA
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1->{2, 3}, 2->{1, 2, 1}, 3->{2, 1, 2}
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MATHEMATICA
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s[1] = {2, 3}; s[2] = {1, 2, 1}; s[3] = {2, 1, 2}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = p[6]
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CROSSREFS
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KEYWORD
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nonn,uned
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AUTHOR
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STATUS
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approved
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