OFFSET
1,1
COMMENTS
Discriminant=-2080. 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
Except for 5, the primes are congruent to {21, 109, 141, 149, 189, 229, 301, 349, 421, 461, 501, 509} (mod 520).
MATHEMATICA
QuadPrimes2[5, 0, 104, 10000] (* see A106856 *)
PROG
(Magma) [5] cat [ p: p in PrimesUpTo(6000) | p mod 520 in [21, 109, 141, 149, 189, 229, 301, 349, 421, 461, 501, 509]]; // Vincenzo Librandi, Aug 02 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 02 2008
STATUS
approved