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A309133
Nonnegative integers of the form 4*x^2+6*x*y-7*y^2.
0
0, 3, 4, 7, 9, 11, 12, 16, 21, 27, 28, 33, 36, 41, 44, 47, 48, 49, 53, 63, 64, 71, 73, 75, 77, 81, 83, 84, 99, 100, 101, 108, 111, 112, 121, 123, 127, 132, 141, 144, 147, 148, 149, 157, 159, 164, 173, 175, 176, 181, 188, 189, 192, 196, 197, 201, 211, 212, 213
OFFSET
1,2
COMMENTS
Discriminant of indefinite binary quadratic form: 148.
PROG
(C++) See Jagy link.
CROSSREFS
Primes in this sequence: A141161.
Sequence in context: A047544 A272909 A035267 * A245239 A191978 A187477
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Jul 14 2019
STATUS
approved