A160034 Primes of the form 2^(2^k) + 807 .

809, 811, 823, 1063, 66343, 18446744073709552423, 115792089237316195423570985008687907853269984665640564039457584007913129640743

Offset: 1

Author

Cino Hilliard, Apr 30 2009

Keywords

• nonn

Comments

Terms given correspond to k= 0, 1, 2, 3, 4, 6 and 8.

Next term is >= 2^2^25 + 807. - Charles R Greathouse IV, Jun 07 2016

Crossrefs

Cf. A019434, A160027, A160028, A160029, A160030, A160032, A160033.

Cf. similar sequences listed in A273547.

Programs

Magma

[ a: n in [0..10] | IsPrime(a) where a is 2^(2^n) + 807 ]; // Vincenzo Librandi, Jun 05 2016

Mathematica

Select[Table[2^(2^n) + 807, {n, 0, 10}], PrimeQ] (* Vincenzo Librandi, Jun 05 2016 *)

PARI

g(n,m) = for(x=0,n,y=2^(2^x)+m;if(ispseudoprime(y),print1(y",")))