Question

The first four terms of a sequence are shown below.

2,9,40.5,182.25 ...

what is the next number in the sequence?

Answer 1

820.125

Explanation:

2*4+2/2=9

9*4+9/2=40.5

40.5*4+40.5/2=182.25

182.25 * 4 + 182.25/2 = 820.125