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A139943
Primes of the form 3x^2+119y^2.
1
3, 131, 167, 227, 311, 419, 479, 503, 719, 839, 887, 983, 1091, 1151, 1319, 1559, 1571, 1847, 1907, 1931, 1979, 2063, 2267, 2351, 2411, 2579, 2663, 2819, 2999, 3023, 3083, 3167, 3191, 3359, 3407, 3491, 3779, 3947, 4007, 4091, 4451, 4583
OFFSET
1,1
COMMENTS
Discriminant=-1428. See A139827 for more information.
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)
FORMULA
The primes are congruent to {3, 131, 143, 167, 215, 227, 299, 311, 335, 419, 479, 503, 551, 635, 719, 755, 839, 887, 923, 983, 1091, 1151, 1235, 1319, 1391} (mod 1428).
MATHEMATICA
QuadPrimes2[3, 0, 119, 10000] (* see A106856 *)
PROG
(Magma) [ p: p in PrimesUpTo(6000) | p mod 1428 in [3, 131, 143, 167, 215, 227, 299, 311, 335, 419, 479, 503, 551, 635, 719, 755, 839, 887, 923, 983, 1091, 1151, 1235, 1319, 1391]]; // Vincenzo Librandi, Aug 02 2012
CROSSREFS
Sequence in context: A202030 A048434 A249379 * A005175 A347985 A082439
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 02 2008
STATUS
approved