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A080443
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Largest prime factor of 3^n+2.
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3
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3, 5, 11, 29, 83, 7, 43, 199, 6563, 127, 59051, 25307, 48313, 63773, 4782971, 14348909, 119243, 335429, 23203, 10613, 60089, 1224149, 795323, 919, 282429536483, 1583717027, 2541865828331, 693236134999, 174632003473
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OFFSET
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0,1
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LINKS
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MATHEMATICA
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Table[FactorInteger[3^n+2][[-1, 1]], {n, 0, 30}] (* Harvey P. Dale, Oct 21 2011 *)
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PROG
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(PARI) for(n=0, 28, f=factor(3^n+2); print1(f[#f[, 1], 1], ", ")) \\ Hugo Pfoertner, Jul 12 2019
(Magma) [Max(PrimeDivisors(3^n+2)):n in [0..28]]; // Marius A. Burtea, Jul 12 2019
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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