Question

2,2,12,12,30,30 what next

Answer 1

1st term = 2 = 1^2 +1
2nd term = 2 = 2^2 -2
3rd term = 12 = 3^2 +3
4th term = 12 = 4^2 -4
5th term = 30 = 5^2 +5
6th term = 30 = 6^2 -6
So, 
7th term = 7^2 +7 = 56
8th term = 8^2 -8 = 56

So, next two terms will be : 56,56 .
hope..it..helps...