2, 6, 18, 54, 162, -- -- what do you want to fill in the next two numbers?

2, 6, 18, 54, 162, -- -- what do you want to fill in the next two numbers?

Observe the difference of each number 4,4 * 3,4 * 3 * 3,4 * 3 * 3
Then the last two numbers are 4 * 3 * 3 * 3 * 3 and 4 * 3 * 3 * 3 * 3