42, if you fit the quartic: 0.25*(x4 - 10x3 + 35x2 - 42x + 24)
32
16
5
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
15
32
32
-64
16
You are multiplying each number in the sequence by -2. Therefore, the next number in the sequence after 32 is -64.
The rule of this pattern is -2 + 6 +4 so the next number would be 16.
5
1. Each number is 1/2 of previous number.
16
15
1/2 then 1/4 1/8 1/16 1/32
16.