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 A216980 Numbers n such that n^7+2 is prime. 3
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 MATHEMATICA 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 *) PROG (PARI) select(n->isprime(n^7+2), vector(2000, n, n-1)) /* Joerg Arndt, Sep 21 2012 */ CROSSREFS Cf. A067200, A067201, A216974, A216976, A216978. Sequence in context: A176896 A347502 A134717 * A147169 A216167 A246327 Adjacent sequences: A216977 A216978 A216979 * A216981 A216982 A216983 KEYWORD nonn AUTHOR Michel Lagneau, Sep 21 2012 STATUS approved

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Last modified April 13 14:40 EDT 2024. Contains 371644 sequences. (Running on oeis4.)