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A106599
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Two block six-symbol substitution : n=1.
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0
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1, 5, 6, 3, 1, 2, 5, 5, 6, 4, 3, 3, 1, 2, 2, 5, 5, 5, 6, 4, 4, 3, 3, 3, 1, 2, 2, 2, 5, 5, 5, 5, 6, 4, 4, 4, 3, 3, 3, 3, 1, 2, 2, 2, 2, 5, 5, 5, 5, 5, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 2, 2, 2, 2, 2, 5, 5, 5, 5, 5, 5, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 2, 2, 2, 2, 2, 2, 5, 5, 5, 5, 5, 5, 5, 6, 4, 4, 4, 4, 4, 4
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Removing two links in the digraph makes it a line. Characteristic Polynomial:x^6-3*x^4+3*x^2-1 Triangular form: ( half even/ half odd) {1}, {5, 6}, {3, 1, 2} {5, 5, 6, 4} {3, 3, 1, 2, 2} {5, 5, 5, 6, 4, 4} {3, 3, 3, 1, 2, 2, 2} {5, 5, 5, 5, 6, 4, 4, 4}
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REFERENCES
| Curtis McMullen, Prym varieties and Teichmuller curves.
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FORMULA
| 1->{5, 6}, 2->{}4}*n, 3->{5}, 4->{2}, 5->{3}*n, 6->{1, 2}
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MATHEMATICA
| n0=6; n=1; s[1] = {5, 6}; s[2] = Table[If[i <= n, 4, {}], {i, 1, n0}]; s[3] = Table[If[i <= n, 5, {}], {i, 1, n0}]; s[4] = Table[If[i <= n, 2, {}], {i, 1, n0}];; s[5] = Table[If[i <= n, 3, {}], {i, 1, n0}]; s[6] = {1, 2}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = Table[p[i], {i, 0, 20}]; MatrixForm[aa] aaa = Flatten[aa]
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CROSSREFS
| Sequence in context: A072733 A018851 A011499 * A195448 A079267 A060296
Adjacent sequences: A106596 A106597 A106598 * A106600 A106601 A106602
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KEYWORD
| nonn,uned
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AUTHOR
| Roger L. Bagula (rlbagulatftn(AT)yahoo.com), May 10 2005
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