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A243167 Nonnegative integers of the form -x^2+6xy+2y^2. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Discriminant 44.
LINKS
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
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 31 2014
STATUS
approved

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Last modified May 18 13:38 EDT 2024. Contains 372630 sequences. (Running on oeis4.)