
For any positive integer n, there exists a circle that passes through exactly n lattice points in the Euclidean plane.
This was first proven by Polish mathematician Andrzej Schinzel in 1958. It’s known as Schinzel’s theorem.
For any positive integer n, there exists a circle that passes through exactly n lattice points in the Euclidean plane.
This was first proven by Polish mathematician Andrzej Schinzel in 1958. It’s known as Schinzel’s theorem.