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Search: id:A144748
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| A144748 |
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Recurence sequence a(n)=a(n-1)^2-a(n-1)-1 a(0)=8 |
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+0
6
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| 55, 2969, 8811991, 77651176572089, 6029705223029665929437251831, 36357345076631233348346773693633697407708655232275600729, 13218565410212413831150435861215039613310421836986839651742699524355812233686331\ 24721267107619465028785549730711
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OFFSET
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1,1
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COMMENT
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a(0)=3 is the smallest integer generating decreasing sequence of the form a(n)=a(n-1)^2-a(n-1)-1
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FORMULA
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a(n)=a(n-1)^2-a(n-1)-1 and a(0)=8
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MATHEMATICA
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a = {}; k = 8; Do[k = k^2 - k - 1; AppendTo[a, k], {n, 1, 10}]; a
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CROSSREFS
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Cf. A000058, A082732, A144743, A144744, A144745, A144746, A144747
Sequence in context: A131557 A119166 A027548 this_sequence A076657 A095659 A081993
Adjacent sequences: A144745 A144746 A144747 this_sequence A144749 A144750 A144751
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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 20 2008
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