OFFSET
1,1
COMMENTS
Terms given correspond to n = 1, 2, 3, 4 and 5.
Next term >= 2^2^27 + 427. - Charles R Greathouse IV, Jun 07 2016
MATHEMATICA
Select[Table[2^(2^n) + 427, {n, 0, 15}], PrimeQ]
PROG
(Magma) [a: n in [0..16] | IsPrime(a) where a is 2^(2^n)+427];
(PARI) for(n=1, 5, if(ispseudoprime(t=2^2^n+427), print1(t", "))) \\ Charles R Greathouse IV, Jun 07 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Jun 02 2016
STATUS
approved