OFFSET
1,3
COMMENTS
See comment in A199307.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Range[0, 3000], PrimeQ[4#^3+3]&] (* Vincenzo Librandi, Aug 01 2012 *)
PROG
(Magma) [n: n in [0..500] | IsPrime(4*n^3+3)]; // Bruno Berselli, Nov 08 2011
(PARI) is(n)=isprime(4*n^3+3) \\ Charles R Greathouse IV, May 22 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 05 2011
EXTENSIONS
First term added by Vincenzo Librandi, Nov 08 2011
STATUS
approved