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A243430
Primes of the form 2^n + 43.
2
47, 59, 107, 4139, 16427, 65579, 262187, 16777259, 302231454903657293676587, 4835703278458516698824747, 20769187434139310514121985316880427
OFFSET
1,1
COMMENTS
Associated n: 2, 4, 6, 12, 14, 16, 18, 24, 78, 82, 114, 234, 268, 286, ...
LINKS
MATHEMATICA
Select[Table[2^n + 43, {n, 0, 500}], PrimeQ]
PROG
(Magma) [a: n in [0..500] | IsPrime(a) where a is 2^n+43];
CROSSREFS
Cf. similar sequences listed in A243429.
Sequence in context: A102274 A139909 A368077 * A342093 A126980 A354442
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Jun 05 2014
STATUS
approved