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A216980
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Numbers n such that n^7+2 is prime.
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3
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0, 1, 9, 21, 53, 63, 99, 123, 141, 155, 185, 213, 315, 363, 375, 449, 513, 521, 543, 555, 653, 669, 699, 731, 735, 759, 801, 843, 881, 975, 983, 995, 1031, 1095, 1115, 1131, 1149, 1161, 1221, 1253, 1395, 1413, 1451, 1473, 1491, 1571, 1599, 1625, 1659, 1733
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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lst={}; Do[If[PrimeQ[n^7+2], AppendTo[lst, n]], {n, 0, 10^3}]; lst
Select[Range[0, 2000], PrimeQ[#^7+2]&] (* Harvey P. Dale, Mar 29 2016 *)
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PROG
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(PARI) select(n->isprime(n^7+2), vector(2000, n, n-1)) /* Joerg Arndt, Sep 21 2012 */
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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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