OFFSET
1,1
COMMENTS
LINKS
Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]
William C. Jagy and Irving Kaplansky, Positive definite binary quadratic forms that represent the same primes [Cached copy] See item 14 in Table II.
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
FORMULA
The primes are congruent to {31, 79} (mod 120).
MATHEMATICA
QuadPrimes2[4, -4, 31, 10000] (* see A106856 *)
PROG
(Magma) [ p: p in PrimesUpTo(6000) | p mod 120 in {31, 79}]; // Vincenzo Librandi, Jul 29 2012
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 02 2008
STATUS
approved