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A108105 A slow 6-symbol substitution by lengths of steps with characteristic polynomial: x*(x^5-2). +0
1
1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 16, 16, 16, 16, 16, 32, 32, 32, 32, 32, 64, 64, 64, 64, 64, 128, 128, 128, 128, 128, 256, 256, 256, 256, 256, 512, 512, 512, 512, 512, 1024 (list; graph; listen)
OFFSET

0,6

FORMULA

1->{2}, 2->{3}, 3->{4}, 4->{5}, 5->{1, 6}, 6->{2}

MATHEMATICA

s[1] = {2}; s[2] = {3}; s[3] = {4}; s[4] = {5}; s[5] = {1, 6}; s[6] = {2}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] a0 = Table[Length[p[i]], {i, 0, 50}]

CROSSREFS

Sequence in context: A001299 A001300 A001306 this_sequence A063468 A010336 A054537

Adjacent sequences: A108102 A108103 A108104 this_sequence A108106 A108107 A108108

KEYWORD

nonn,uned

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 03 2005

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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