OFFSET
1,1
COMMENTS
Discriminant=-1120. See A139827 for more information.
LINKS
Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
FORMULA
The primes are congruent to {39, 71, 79, 151, 191, 239} (mod 280).
MATHEMATICA
QuadPrimes2[4, -4, 71, 10000] (* see A106856 *)
PROG
(Magma) [ p: p in PrimesUpTo(6000) | p mod 280 in [39, 71, 79, 151, 191, 239]]; // Vincenzo Librandi, Aug 01 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 02 2008
STATUS
approved