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A106901
Primes of the form 3x^2+3xy+5y^2, with x and y nonnegative.
2
3, 5, 11, 23, 29, 41, 131, 167, 173, 197, 233, 269, 311, 317, 347, 401, 419, 431, 449, 479, 503, 617, 641, 653, 677, 683, 743, 821, 827, 839, 857, 887, 911, 929, 947, 983, 1013, 1031, 1049, 1061, 1151, 1187, 1193, 1217, 1367, 1433, 1439, 1451, 1493
OFFSET
1,1
COMMENTS
Discriminant=-51.
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, 3, 5, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A262085 A015915 A275785 * A379405 A154550 A023202
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved