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A273805
Primes of the form 2^(2^n) + 331.
1
347, 587, 65867, 4294967627, 18446744073709551947
OFFSET
1,1
COMMENTS
Terms given correspond to n = 2, 3, 4, 5 and 6.
Next term >= 2^2^30 + 331. - Charles R Greathouse IV, Jun 07 2016
MATHEMATICA
Select[Table[2^(2^n) + 331, {n, 0, 15}], PrimeQ]
PROG
(Magma) [a: n in [0..16] | IsPrime(a) where a is 2^(2^n)+331];
(PARI) for(n=1, 6, if(ispseudoprime(t=2^2^n+331), print1(t", "))) \\ Charles R Greathouse IV, Jun 07 2016
CROSSREFS
Cf. similar sequences listed in A273547.
Sequence in context: A287700 A281163 A059074 * A142907 A052163 A210363
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Jun 02 2016
STATUS
approved