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A309135
Nonnegative integers of the form 9*x^2+7*x*y-5*y^2.
0
0, 3, 5, 9, 11, 12, 15, 17, 19, 20, 25, 27, 33, 36, 43, 44, 45, 48, 51, 55, 57, 60, 61, 68, 71, 75, 76, 80, 81, 83, 85, 95, 97, 99, 100, 103, 108, 111, 121, 125, 129, 132, 135, 144, 147, 149, 151, 153, 159, 165, 167, 171, 172, 176, 180, 181, 183, 185, 187, 192
OFFSET
1,2
COMMENTS
Discriminant of indefinite binary quadratic form: 229.
PROG
(C++) See Jagy link.
CROSSREFS
Primes in this sequence: A141165.
Sequence in context: A323765 A270780 A304251 * A088607 A296243 A162699
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Jul 14 2019
STATUS
approved