In the following number series, a wrong number is given. Find out the wrong number.
1, 2, 6, 21, 105, 445, 2676
1
445
2
6
3
2676
4
105
5
None of these
In the following number series, a wrong number is given. Find out the wrong number.
1, 2, 6, 21, 105, 445, 2676