20 25 31 37 44 51 59 67 etc
Differences 3 3 4 4 ...
8, 11, 12, 15...............
NEXT: 11 15 16 12....
11 13 15 17 19 21 23 25 27
My Generation - 2010 What Comes Next 1-8 was released on: USA: 15 November 2010
20
1311221
111
the answer is 1
The sequence could continue: 7, 12, 9, 15, 11, 18, 13, 21, ...
12
111221
312211 13112221