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A106937
Primes of the form 2x^2+2xy+9y^2, with x and y nonnegative.
1
2, 13, 89, 101, 137, 229, 257, 373, 389, 433, 457, 557, 577, 757, 761, 769, 773, 953, 1021, 1109, 1181, 1249, 1277, 1301, 1373, 1429, 1481, 1549, 1613, 1657, 1789, 1801, 1889, 1993, 2333, 2389, 2393, 2549, 2593, 2677, 2741, 2753, 2797, 2801
OFFSET
1,1
COMMENTS
Discriminant=-68.
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[2, 2, 9, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A092849 A300429 A106938 * A033891 A172968 A126035
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved