Python 3.6

11. (5 pts) A sequence of numbers is given by 3, 10,30,300, 9000, 2700000,... where the first two elements are 3 and 10, and every element after is the product of the previous two. Write a Python whose input is a positive integer n, and whose output is the nth number in the sequence. For example, ff (2) should have the value 10, and ff (4) should have the value 300