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Search: id:A144784
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| A144784 |
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Variant of Sylvester's sequence: a(n+1) = a(n)^2 - a(n) + 1, with a(1) = 11 |
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+0
12
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| 11, 111, 12211, 149096311, 22229709804712411, 494159998001727075769152612720511, 244194103625066907517263589918036880566782292998362610615987380611
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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a(n) =3.2422140320056862414498427542117820651333028072636974185222120720602472464226942394995561539472177239002747123077895537291431495357309947^(2^n) a(n+1) = a(n)^2 - a(n) + 1, with a(1) = 11
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MATHEMATICA
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a = {}; r = 11; Do[AppendTo[a, r]; r = r^2 - r + 1, {n, 1, 10}]; a or Table[Round[3.242214032005686241449842754211782065133302807263697418522212072060\ 2472464226942394995561539472177239002747123077895537291431495357309947^(2^n)], {n, 1, 8}] (*Artur Jasinski*)
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CROSSREFS
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A000058, A082732, A144779, A144780, A144781, A144782, A144783, A144784, A144785, A144786, A144787, A144788
Sequence in context: A037842 A131293 A108047 this_sequence A030175 A058949 A075842
Adjacent sequences: A144781 A144782 A144783 this_sequence A144785 A144786 A144787
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Sep 21 2008
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