First differences are 3-1, 11-3, and so on ...

2, 8, 20, 38

Second differences are

6, 12, 18

Each second difference is 6 more than the last. The next second difference will be 18+6 = 24. The next first difference will be 38+24 = 62.

The next number in sequence is probably 69+62 =

2, 8, 20, 38

Second differences are

6, 12, 18

Each second difference is 6 more than the last. The next second difference will be 18+6 = 24. The next first difference will be 38+24 = 62.

The next number in sequence is probably 69+62 =

**131**.