What's the pattern 320, 160, 80, 40,show your !

320, 160, 80, 40, 20, 10, 5
Let's start from the right and go left
5 x 2 = 10
10 x 2 = 20
20 x 2 = 40
40 x 2 = 80
80 x 2 = 160
160 x 2 = 320
All of this is being multiplied by two, but now, let's go from left to right
320/2 = 160
160/2 = 80
80/2 = 40
40/2 = 20
20/2 = 10
10/2 = 5
All of this is being divided by 2
Divided by 2 is the pattern