Question

What is the next number in this series? 4,12,84,3612...?

Answer 1

Answer: 6526884

Step-by-step explanation:

4, 4 * ( (4/2) + 1 ), 12 * ( ( 12/2 ) + 1 ), 84 * ( ( 84/2)+1), 3612 * (3612/2)+1) = 6526884

Pattern goes like …

a, a*((a/2)+1)

Answer: 6526884