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A139914
Primes of the form 4x^2+4xy+71y^2.
2
71, 79, 151, 191, 239, 359, 431, 599, 631, 751, 911, 919, 991, 1031, 1439, 1471, 1759, 1831, 1871, 1999, 2039, 2111, 2311, 2591, 2671, 2711, 2879, 3119, 3271, 3319, 3511, 3719, 4111, 4159, 4271, 4391, 4519, 4799, 4831, 4951, 4999, 5119
OFFSET
1,1
COMMENTS
Discriminant=-1120. 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 {39, 71, 79, 151, 191, 239} (mod 280).
MATHEMATICA
QuadPrimes2[4, -4, 71, 10000] (* see A106856 *)
PROG
(Magma) [ p: p in PrimesUpTo(6000) | p mod 280 in [39, 71, 79, 151, 191, 239]]; // Vincenzo Librandi, Aug 01 2012
CROSSREFS
Sequence in context: A217414 A159025 A033245 * A039392 A043215 A043995
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 02 2008
STATUS
approved