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A144746
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Recurrence sequence a(n)=a(n-1)^2-a(n-1)-1, a(0)=6.
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5
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29, 811, 656909, 431528777371, 186217085698878552894269, 34676803006183479266409218250231853558140150091, 1202480666729655584789949373132702064208272454072740050128160074167965751208292536045867158189
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| 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
| a(n)=a(n-1)^2-a(n-1)-1 and a(0)=6
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MATHEMATICA
| a = {}; k = 6; Do[k = k^2 - k - 1; AppendTo[a, k], {n, 1, 10}]; a
NestList[#^2-#-1&, 6, 8] [From Harvey P. Dale, Jan. 22, 2011]
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CROSSREFS
| Cf. A000058, A082732, A144743, A144744, A144745, A144747, A144748
Sequence in context: A046850 A180844 A159669 * A162831 A163207 A163549
Adjacent sequences: A144743 A144744 A144745 * A144747 A144748 A144749
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Sep 20 2008
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