login
A106966
Primes of the form 3x^2+xy+7y^2, with x and y nonnegative.
2
3, 7, 11, 37, 59, 61, 113, 151, 197, 313, 317, 353, 419, 463, 499, 563, 593, 733, 757, 859, 881, 907, 929, 941, 977, 997, 1021, 1033, 1109, 1123, 1223, 1237, 1249, 1283, 1451, 1481, 1543, 1559, 1613, 1741, 1759, 1811, 1867, 1877, 1889, 1901, 1907
OFFSET
1,1
COMMENTS
Discriminant=-83.
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, 1, 7, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A038913 A141178 A362005 * A191027 A139599 A141161
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved