Category:Difference of Two Squares cannot equal 2 modulo 4

This category contains pages concerning Difference of Two Squares cannot equal 2 modulo 4:

Let $n \in \Z_{>0}$ be of the form $4 k + 2$ for some $k \in \Z$.

Then $n$ cannot be expressed in the form:

$n = a^2 - b^2$

for $a, b \in \Z$.