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Search: id:A108204
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| A108204 |
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Derangement type quadratic Pisot vector Markov. |
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+0
1
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| 0, 1, 2, 6, 30, 216, 2010, 22824, 305466, 4704864, 81938358, 1591718520, 34116485502, 799695029808, 20348556463482, 558563850560184, 16451687169853290, 517516967826342336, 17315898224208133494
(list; graph; listen)
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OFFSET
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0,3
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FORMULA
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M[n]={{0, -1}, {(n - 1), 2*(n - 1)}} v[n] = M[n].v[n - 1] a(n) = Abs[v[n][[1]]]
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MATHEMATICA
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M[n_] := {{0, -1}, {(n - 1), 2*(n - 1)}} v[1] = {0, 1} v[n_] := v[n] = M[n].v[n - 1] a = Table[Abs[v[n][[1]]], {n, 1, 25}]
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CROSSREFS
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Cf. A000166.
Sequence in context: A077176 A101178 A091456 this_sequence A088160 A112317 A089459
Adjacent sequences: A108201 A108202 A108203 this_sequence A108205 A108206 A108207
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KEYWORD
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nonn,uned
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Jun 15 2005
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