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A014546
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Primes in Sylvester's sequence A000058.
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2
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OFFSET
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1,1
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COMMENTS
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No more primes up to 21st recurrence step. - Artur Jasinski, Sep 20 2008
Andersen's page shows that A000058(30) is the first number whose primality is unknown. Thus if a(6) exists it has over 218 million decimal digits.
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LINKS
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MATHEMATICA
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a = {}; k = 2; Do[k = k^2 - k + 1; If[PrimeQ[k], AppendTo[a, k]], {n, 1, 15}]; a (* Artur Jasinski, Sep 20 2008 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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