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A106653 Five-symbol substitution, characteristic polynomial: x^5-x^3-x^2-x-1. 0

%I #4 Mar 30 2012 17:34:15

%S 1,2,3,4,2,3,4,5,3,4,5,1,2,3,4,4,5,1,2,3,4,2,3,4,5,2,3,4,5,3,4,5,1,2,

%T 3,4,4,5,1,2,3,4,2,3,4,5,5,1,2,3,4,2,3,4,5,3,4,5,1,2,3,4,3,4,5,1,2,3,

%U 4,4,5,1,2,3,4,2,3,4,5,5,1,2,3,4,2,3,4,5,3,4,5,1,2,3,4,1,2,3,4,2,3,4,5,3,4

%N Five-symbol substitution, characteristic polynomial: x^5-x^3-x^2-x-1.

%C Digraph matrix is: {{0, 1, 0, 0, 0}, {0, 0, 1, 0, 0}, {0, 0, 0, 1, 0}, {0, 0, 0, 0, 1}, { 1, 1, 1, 1, 0}}

%F 1->{2}, 2->{3}, 3->{4}, 4->{5}, 5->{1, 2, 3, 4}

%t s[1] = {2}; s[2] = {3}; s[3] = {4}; s[4] = {5}; s[5] = {1, 2, 3, 4}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = p[15]

%K nonn,uned

%O 0,2

%A _Roger L. Bagula_, May 12 2005

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