Question

Which number will come next in this sequence 9, 5, 9, 25, 91,?

Answer 1

9 = (5 * 3 + 3)/2

25 = (9 * 5 + 5)/2

91 = (25 * 7 + 7)/2

414 =(91 * 9 + 9)/2

Answer 2

Answer:

I think the next number is 414.

Hope this helps!!