51.
Another family of 4th-degree Thue inequalities
Another family of 4th-degree Thue inequalities | x⁴ + 4ax³y + 6ax²y² + 4a²xy³ + a²y⁴ | ≦ a² also seems to have already been solved for a≧205, but when I checked the primitive solutions for 2≦a≦204, the only solutions were (x, y) = (±1