If 2 = 11, 3 = 30, 4 = 67, 5 = 128 then 1 = ?

Answer 1

Answer = (1x1x1)+3= 4

Answer 2

4
Cube the number and then add 3
2*2*2 + 3 = 11
3*3*3 + 3 = 30
4*4*4 + 3 = 67
5*5*5 + 3 = 128
1*1*1 + 3 = 4