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A106592 Six-symbol substitution based on doubling the Rauzy substitution : n=2 characteristic polynomial: x^6-9*x^4+24*x^2-16. 0
1, 4, 5, 6, 2, 2, 3, 3, 1, 2, 3, 4, 4, 4, 4, 5, 5, 5, 5, 4, 5, 6, 4, 4, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 1, 2, 3, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 5, 5, 5, 5, 4, 5, 6, 4, 4, 5, 5, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Triangular Form: {1}, {4, 5, 6}, {2, 2, 3, 3, 1, 2, 3}, {4, 4, 4, 4, 5, 5, 5, 5, 4, 5, 6, 4, 4, 5, 5}, {2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 1, 2, 3, 2, 2, 2, 2, 3, 3, 3, 3}

REFERENCES

Curtis McMullen, Prym varieties and Teichmuller curves.

LINKS

Table of n, a(n) for n=0..104.

FORMULA

1->{4.5.6}, 2->{4}*n, 3->{5}, 4->{2}, 5->{3}.n 6->{1, 2, 3}

MATHEMATICA

n0=6 n=2 s[1] = {4, 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, 3}; 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, 4}]; MatrixForm[aa] aaa = Flatten[aa]

CROSSREFS

Sequence in context: A076087 A082486 A106591 * A106593 A276036 A305006

Adjacent sequences:  A106589 A106590 A106591 * A106593 A106594 A106595

KEYWORD

nonn,uned

AUTHOR

Roger L. Bagula, May 10 2005

STATUS

approved

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Last modified September 18 09:59 EDT 2019. Contains 327170 sequences. (Running on oeis4.)