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 13, the primes are congruent to {53, 77, 133, 157, 173, 237, 277, 373, 413, 477, 493, 517} (mod 520).
MATHEMATICA
QuadPrimes2[13, 0, 40, 10000] (* see A106856 *)
PROG
(Magma) [13] cat [p: p in PrimesUpTo(6000) | p mod 520 in [53, 77, 133, 157, 173, 237, 277, 373, 413, 477, 493, 517]]; // Vincenzo Librandi, Aug 03 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 02 2008
STATUS
approved