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A106875
Primes of the form 3x^2+2xy+3y^2, with x and y nonnegative.
2
3, 19, 59, 107, 163, 211, 251, 347, 419, 499, 571, 587, 619, 659, 883, 907, 947, 1051, 1171, 1259, 1283, 1459, 1483, 1499, 1579, 1627, 1747, 1907, 1931, 1987, 2003, 2083, 2179, 2203, 2347, 2411, 2459, 2467, 2531, 2539, 2707, 2803, 2819, 2963
OFFSET
1,1
COMMENTS
Discriminant=-32.
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[3, 2, 3, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A027272 A337648 A164132 * A215646 A182353 A012863
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved