Explanation:
Every time the interval, which starts at 3, it grows by 2.
Explanation:
Every time, the gap, which starts at 2, grows by 2, then is subtracted.
Explanation:
The sums rise by eight.
Explanation:
These are prime numbers (divisible only by 1 and themselves).
Explanation:
Each time, the numbers are reduced by 5.
Explanation:
Every time the numbers double.
Explanation:
Every number is the product of the two preceding numbers.