OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Table[n^2+3*n+223, {n, 0, 70}], PrimeQ] (* Vincenzo Librandi, Jul 14 2012 *)
PROG
(Magma) [a: n in [0..50] | IsPrime(a) where a is n^2+3*n+223 ]; // Vincenzo Librandi, Jul 14 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 26 2008
STATUS
approved