OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[2500]], PrimeQ[(2*#^2 + 16*# + 23)]&] (* Vincenzo Librandi, Oct 30 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(3000)|IsPrime(2*p^2+16*p+23)]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jan 25 2009
EXTENSIONS
Entries confirmed by John W. Layman, Jun 17 2010
STATUS
approved