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A321323 Numbers n such that n^(2^20) + 1 is prime (a generalized Fermat prime). 21
1, 919444, 1059094 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..3.

Chris K. Caldwell, The Prime Database: 919444^1048576 + 1

Chris K. Caldwell, The Prime Database: 1059094^1048576 + 1

CROSSREFS

Cf. A056993, A005574, A000068, A006314, A006313, A006315, A006316, A056994, A056995, A057465, A057002, A088361, A088362, A226528, A226529, A226530, A251597, A253854, A244150, A243959.

Sequence in context: A259005 A256903 A185532 * A156428 A251954 A098208

Adjacent sequences:  A321320 A321321 A321322 * A321324 A321325 A321326

KEYWORD

nonn,hard,more,bref

AUTHOR

Jeppe Stig Nielsen, Nov 04 2018

STATUS

approved

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Last modified October 15 22:25 EDT 2019. Contains 328038 sequences. (Running on oeis4.)