OFFSET
1,1
COMMENTS
See A106865 for all primes represented by this form.
Discriminant=-20.
Union of {2} and primes == 3 or 7 mod 20. - N. J. A. Sloane, Sep 04 2012
REFERENCES
David A. Cox, Primes of the Form x^2 + n y^2, Wiley, 1989. See Eq. (2.22), p. 33. - N. J. A. Sloane, Sep 04 2012
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[2, 2, 3, 10000] (* see A106856 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved