This is a list of prime numbers, the next ones are 17, 19, 23, 29
17
13
17 cause it is the next prime number
17
2
you are adding 2, so its 17
11
The pattern is - 5 then +2. 2 and 4 are the next numbers in the series.
17, it's the sequence of primes.
49 (it is an arithmetic series that adds 5 then 7 then 9 then 11 then 13)
13