OFFSET
1,1
COMMENTS
Discriminant = -1632. See A139643 for more information.
The primes are congruent to {1, 25, 49, 121, 145, 169, 217, 361} (mod 408).
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)
MATHEMATICA
QuadPrimes2[1, 0, 408, 10000] (* see A106856 *)
PROG
(Magma) [ p: p in PrimesUpTo(7000) | p mod 408 in {1, 25, 49, 121, 145, 169, 217, 361}]; // Vincenzo Librandi, Jul 29 2012
(Magma) */ k:=408; [p: p in PrimesUpTo(7000) | NormEquation(k, p) eq true]; // Bruno Berselli, Jun 01 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, Apr 29 2008
STATUS
approved