Question

12 14 32 102 416 2090 series

Answer 1

Thanks for asking the question.
12*1+2=14
14*2+4=32
32*3+6=102
102*4+8=416
416*5+10=2090
2090*6+12=12552
Hope it helps.

Answer 2

12*1+2, 14*2+4,32*3+6  its like this in series   so if yo go to last you will get 2090*6+12=12552