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 A226530 Numbers n such that n^(2^15) + 1 is prime (a generalized Fermat prime). 27
 1, 70906, 167176, 204462, 249830, 321164, 330716, 332554, 429370, 499310, 524552, 553602, 743788, 825324, 831648, 855124, 999236, 1041870, 1074542, 1096382, 1113768, 1161054, 1167528, 1169486, 1171824, 1210354, 1217284, 1277444, 1519380, 1755378, 1909372, 1922592, 1986700, 2034902, 2147196, 2167350 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Ray Chandler, Table of n, a(n) for n = 1..1015 PrimeGrid, GFN Prime Search Status and History: n=15. PROG (PARI) is(n)=isprime(n^2^15+1) \\ Charles R Greathouse IV, Feb 17 2017 CROSSREFS Cf. A056993, A005574, A000068, A006314, A006313, A006315, A006316, A056994, A056995, A057465, A057002, A088361, A088362, A226528, A226529, A251597, A253854, A244150, A243959, A321323. Sequence in context: A204482 A186821 A252728 * A215994 A101250 A031865 Adjacent sequences:  A226527 A226528 A226529 * A226531 A226532 A226533 KEYWORD nonn,hard AUTHOR Robert G. Wilson v, Jun 09 2013 STATUS approved

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Last modified October 23 07:05 EDT 2019. Contains 328335 sequences. (Running on oeis4.)