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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
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| 1->{2, 3}, 2->{1, 2, 1}, 3->{2, 1, 2}
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MATHEMATICA
| 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
| Sequence in context: A025817 A109381 A058506 * A097848 A124830 A191373
Adjacent sequences: A106695 A106696 A106697 * A106699 A106700 A106701
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KEYWORD
| nonn,uned
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AUTHOR
| Roger L. Bagula (rlbagulatftn(AT)yahoo.com), May 13 2005
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