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A226528 Numbers n such that n^(2^13) + 1 is prime (a generalized Fermat prime). 28
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Ray Chandler, Table of n, a(n) for n = 1..7060

PrimeGrid, GFN Prime Search Status and History: n=13.

PROG

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

CROSSREFS

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

Sequence in context: A187376 A187373 A251527 * A278271 A254976 A234791

Adjacent sequences:  A226525 A226526 A226527 * A226529 A226530 A226531

KEYWORD

nonn,hard

AUTHOR

Robert G. Wilson v, Jun 09 2013

EXTENSIONS

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

STATUS

approved

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Last modified May 27 02:54 EDT 2019. Contains 323597 sequences. (Running on oeis4.)