OFFSET
1,1
REFERENCES
David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989.
LINKS
Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 3000 terms from Vincenzo Librandi]
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
FORMULA
Primes congruent to {1, 9, 15, 23, 25, 31, 47, 49, 71, or 81} (mod 88). - T. D. Noe, Apr 29 2008 [See e.g. Cox, p. 36. - N. J. A. Sloane, May 27 2014]
a(n) ~ 4n log n. - Charles R Greathouse IV, Nov 09 2012
MATHEMATICA
QuadPrimes2[1, 0, 22, 10000] (* see A106856 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved