Find all natural numbers n such that 1+3+5+7+...+(2n-1) sum is divisible by 4

Refer to the attachment

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.

(-5,-28)

i graphed to on desmos.