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A108132
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Three symbol Pisot substitution with characteristic Polynomial: x^3-2*x^2-2*x-1.
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0
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2, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 2, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 2, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 2, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 2, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3, 2, 3, 3, 1, 2, 2, 3, 3, 1, 2, 2, 3, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| Pisot with roots: {{x -> -0.415589 - 0.424848*I}, {x -> -0.415589 + 0.424848*I}, {x -> 2.83118}} This substitution gives two part near tile fractal.
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FORMULA
| 1->{2}, 2->{3}, 3->{1, 2, 2, 3, 3}
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MATHEMATICA
| s[1] = {2}; s[2] = {3}; s[3] = {1, 2, 2, 3, 3}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = p[7]
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CROSSREFS
| Sequence in context: A097663 A204259 A066517 * A106589 A051911 A106595
Adjacent sequences: A108129 A108130 A108131 * A108133 A108134 A108135
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KEYWORD
| nonn,uned
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AUTHOR
| Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 04 2005
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