This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A106591 Six-symbol substitution based on doubling the Rauzy substitution : n=3 characteristic polynomial: x^6-19*x^4+99*x^2-81. 0
 1, 4, 5, 6, 2, 2, 2, 3, 3, 3, 1, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 5, 6, 4, 4, 4, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 3, 3, 3, 1, 2, 3, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Triangular form: {1}, {4, 5, 6}, {2, 2, 2, 3, 3, 3, 1, 2, 3} {4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 5, 6, 4, 4, 4, 5, 5,5} REFERENCES Curtis McMullen, Prym varieties and Teichmuller curves. LINKS FORMULA 1->{4.5.6}, 2->{4}*n, 3->{5}, 4->{2}, 5->{3}.n 6->{1, 2, 3} MATHEMATICA n0=6 n=3 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: A075566 A076087 A082486 * A106592 A106593 A276036 Adjacent sequences:  A106588 A106589 A106590 * A106592 A106593 A106594 KEYWORD nonn,uned AUTHOR Roger L. Bagula, May 10 2005 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 16 02:16 EDT 2019. Contains 327088 sequences. (Running on oeis4.)