Pattern Recognition - 263

Find out the next number in the series.

3 , 8 , 63 , _,..............

Answer

3 , 8 , 63 , _,..............

8    = (3 * 3 )  - 1

63  = (8  * 8) - 1

Next number  (63 * 63) -1 = 3968

3 , 8 , 63 , 3968 ,..............