OFFSET
1,1
COMMENTS
Primes in A188129.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..25
Daniel Shanks, Gauss's ternary form reduction and the 2-Sylow subgroup, Math. Comp. 25 (1971), 837-853.
MATHEMATICA
Select[(2^Range[0, 50]+3)^2-8, PrimeQ] (* Harvey P. Dale, Apr 16 2011 *)
Select[Table[(2^n + 3)^2 - 8, {n, 80}], PrimeQ] (* Vincenzo Librandi, Mar 21 2013 *)
PROG
(Magma) [a: n in [0..100] | IsPrime(a) where a is (2^n+3)^2-8]; // Vincenzo Librandi, Mar 21 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Apr 14 2011
STATUS
approved