What is the next number in the sequence 1, 1, 2, 6, 24?
What is the next number in the sequence 1, 1, 2, 6, 24?
Explanation
The sequence shows factorials: 1!, 1!, 2!, 3!, 4!, so next is 5! = 120.
The sequence shows factorials: 1!, 1!, 2!, 3!, 4!, so next is 5! = 120.