You order (pay for):
1 1,5 2 3 4 5
6 7 8 10
You actually obtain:
1 2 3 5 7 10
13 16 20 Site
In case of using Kagi online payment processing system (which supports only list prices), to obtain, say, 5 licenses paying only for 3, you'd formally order Qty=3 programs, and you will be automatically listed/registered by us as 5 licenses owner.