Which number comes next in this series - 3, 7, 15, 31, 63, ?

Question

Find the number that comes next in the following series:

3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, ?

Answer 1

the next number is 2*63+1=127

Answer 2

127.

Logic is multiply the number by 2 and add 1 to the product.

Answer 3

127
As 3+4=7
7+(2*4)=15
15+(2*8)=31
31+(2*16)=63
63+(2*32)=127