1,1
Vincenzo Librandi, Table of n, a(n) for n = 1..8
a(n) = 2^A057203(n)+23. [R. J. Mathar, Jun 18 2010]
Select[Table[2^n + 23, {n, 0, 750}], PrimeQ] (* Vincenzo Librandi Jan 02 2014 *)
(Magma) [a: n in [0..750] | IsPrime(a) where a is 2^n+23];
Sequence in context: A201964 A226890 A104049 * A134553 A042880 A042882
Adjacent sequences: A176919 A176920 A176921 * A176923 A176924 A176925
nonn
Vincenzo Librandi, Apr 29 2010
approved