1, 2, 8, 48, 384, 3840, ...
2, 4, 6, 8, 10 (multipliers)
The second row of numbers form a sequence of even integers in ascending order.
This row is a set of multipliers:
1×2=2; 2×4=8; 8×6=48; 48×8=384; 384×10=3840, ...
The blue number is the next in the series.