Question

What comes next in the sequence: 5, 13, 29, 61, ?

Answer 1

13 - 5 = 8

29 - 13 = 16

61 - 29 = 32

8 x 2 = 16

16 x 2 = 32

Next number would be : 32 x 2 = 64, 61 + 64 = 125