A243167 Nonnegative integers of the form -x^2+6xy+2y^2.

0, 2, 7, 8, 10, 11, 18, 19, 28, 32, 35, 40, 43, 44, 50, 55, 63, 72, 74, 76, 79, 83, 90, 95, 98, 99, 106, 107, 112, 127, 128, 131, 139, 140, 151, 154, 160, 162, 167, 171, 172, 175, 176, 178, 194, 200, 211, 215, 220, 226, 227, 239, 242, 250, 252, 259, 263, 266, 271, 274, 275, 283, 288, 296, 304, 307, 314, 315, 316, 332

Offset

1,2

Comments

Discriminant 44.

Links

Table of n, a(n) for n=1..70.

N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)

Crossrefs

Primes in this sequence = A141183.

Sequence in context: A104339 A199004 A168064 * A039005 A022431 A356671

Adjacent sequences: A243164 A243165 A243166 * A243168 A243169 A243170

Keyword

nonn

Author

N. J. A. Sloane, May 31 2014

Status

approved