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A144743
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Recurrence sequence a(n)=a(n-1)^2-a(n-1)-1 a(0)=3
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6
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3, 5, 19, 341, 115939, 13441735781, 180680260792773944179, 32645356640144805339284259388335434039861, 1065719310162246533488642668727242229836148490441005113524301742665845135502859459
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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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, a(0)=3.
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MATHEMATICA
| a = {3}; k = 3; Do[k = k^2 - k - 1; AppendTo[a, k], {n, 1, 10}]; a
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CROSSREFS
| A000058, A082732, A144744, A144745, A144746, A144747, A144748
Sequence in context: A201108 A172058 A062577 * A171862 A076149 A133102
Adjacent sequences: A144740 A144741 A144742 * A144744 A144745 A144746
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Sep 20 2008
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