A226529 Numbers k such that k^(2^14) + 1 is prime (a generalized Fermat prime).

1, 67234, 101830, 114024, 133858, 162192, 165306, 210714, 216968, 229310, 232798, 422666, 426690, 449732, 462470, 468144, 498904, 506664, 509622, 528614, 572934, 581424, 638980, 641762, 656210, 698480, 704930, 730352, 795810, 840796, 908086, 975248, 976914, 990908, 1007874, 1037748, 1039970, 1067896, 1082054, 1097352, 1102754, 1132526, 1162996, 1171010, 1177808, 1181388

Offset: 1

Author

Robert G. Wilson v, Jun 09 2013

Keywords

• nonn
• hard
• changed

Links

• Ray Chandler, Table of n, a(n) for n = 1..10000 (from PrimeGrid link below; n = 602..4825 from Jeppe Stig Nielsen)
• PrimeGrid, GFN Prime Search Status and History: n=14.

Crossrefs

Cf. A056993, A005574, A000068, A006314, A006313, A006315, A006316, A056994, A056995, A057465, A057002, A088361, A088362, A226528, A226530, A251597, A253854, A244150, A243959, A321323.

Programs

PARI

is(n)=isprime(n^2^14+1) \\ Charles R Greathouse IV, Feb 17 2017