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A028952
Numbers represented by quadratic form with Gram matrix [ 3, 1; 1, 4 ].
2
0, 3, 4, 5, 9, 12, 15, 16, 20, 23, 25, 27, 31, 33, 36, 37, 44, 45, 48, 55, 59, 60, 64, 67, 69, 71, 75, 80, 81, 89, 92, 93, 97, 99, 100, 108, 111, 113, 115, 124, 125, 132, 135, 137, 141, 144, 147, 148, 155, 157, 159, 165, 176, 177, 179, 180, 181, 185, 188, 191, 192
OFFSET
1,2
COMMENTS
Nonnegative integers of the form 3*x^2 + 2*x*y + 4*y^2, discriminant -44. - Ray Chandler, Jul 12 2014
LINKS
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
CROSSREFS
Primes: A106282.
Sequence in context: A243654 A063953 A267755 * A361997 A108018 A166976
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org), Mar 29 2000
STATUS
approved