Question

Can someone tell me the relationship (equation) between:
(1,3)
(2,12)
(3,27)
(4,48)
(5,75)
Like, I need y=?

Answer 1

Here's a hint:

(1,3*1^2)
(2,3*2^2)
(3,3*3^2)
(4,3*4^2)
(5,3*5^2)
...