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A106980
Primes of the form 2x^2+xy+11y^2, with x and y nonnegative.
1
2, 11, 47, 89, 113, 251, 293, 311, 443, 599, 653, 659, 677, 809, 911, 1013, 1091, 1163, 1181, 1187, 1361, 1409, 1607, 1871, 1877, 2243, 2351, 2357, 2477, 2549, 2579, 2711, 2741, 2969, 3089, 3221, 3251, 3323, 3461, 3581, 3671, 4013, 4019
OFFSET
1,1
COMMENTS
Discriminant=-87.
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, 1, 11, 10000] (* see A106856 *)
CROSSREFS
Sequence in context: A229019 A376910 A142346 * A089682 A211671 A374179
KEYWORD
nonn,easy
AUTHOR
T. D. Noe, May 09 2005
STATUS
approved