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A290189
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Primes of the form k!*3^k - 1.
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1
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2, 17, 254561089305599, 8483004771271882804592639999, 706526001186582385898210420541078864497278132689882316799999999, 353401447088718405944982176443380974931403135679741865504466985287679999999999
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Table[k!*3^k - 1, {k, 0, 100}], PrimeQ[#]&]
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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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