I can tell you how scoring works. First let's look at the numbers themselves. You have 2+1 then you have 3, 6, 12, 24, 48, 96, 192, 384, 768, 1536, 3072, and 6144. Starting with X = 1 and starting at 3 then scoring is as follows 3^X. So...
3 is worth 3
6 is worth 9
12 is worth 27
24 is worth...