A028960 Numbers represented by quadratic form with Gram matrix [ 3, 1; 1, 8 ].

0, 3, 8, 9, 12, 13, 16, 24, 27, 29, 31, 32, 36, 39, 41, 47, 48, 52, 64, 69, 71, 72, 73, 75, 81, 87, 93, 96, 104, 108, 116, 117, 123, 124, 127, 128, 131, 139, 141, 144, 147, 151, 156, 163, 164, 169, 177, 179, 184, 188, 192, 193, 197, 200

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

Comments

Nonnegative integers of the form 3*x^2 + 2*x*y + 8*y^2, discriminant -92.

Links

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