A226528 Numbers k such that k^(2^13) + 1 is prime (a generalized Fermat prime).

1, 30406, 71852, 85654, 111850, 126308, 134492, 144642, 147942, 150152, 165894, 176206, 180924, 201170, 212724, 222764, 225174, 241600, 241860, 248744, 268032, 270674, 302368, 316970, 326260, 347962, 350830, 397468, 410938, 416010, 424584, 425848, 426338

Offset: 1

Author

Robert G. Wilson v, Jun 09 2013

Keywords

• nonn

Links

• Ray Chandler, Table of n, a(n) for n = 1..10000
• PrimeGrid, GFN Prime Search Status and History: n=13.

Crossrefs

Cf. A056993, A005574, A000068, A006314, A006313, A006315, A006316, A056994, A056995, A057465, A057002, A088361, A088362, A226529, A226530, A251597, A253854, A244150, A243959, A321323.

Programs

PARI

is(n)=isprime(n^2^13+1) \\ Charles R Greathouse IV, Feb 17 2017

Extensions

Missing terms inserted (from link) by Jeppe Stig Nielsen, Apr 14 2017