The $n$ is a natural number, such that each of the $n, n+1, n+2, n+3, n+4, n+5, n+6$ numbers can be produced in a $x^2+y^2$ or $x^2-y^2$ formula, where $x, y$ are natural numbers.

How many possible values are there for $n$ ?

2
0
Infinite
A finite number, greater than 2
1

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