Give the next number in this unusual sequence: 2,3,7,25,121,721,5041,40321
362881
This sequence is created by taking the factorial of each number and adding 1.
2! + 1 = 3
3! + 1 = 7
4! + 1 = 25
5! + 1 = 121
6! + 1 = 721
7! + 1 = 5041
8! + 1 = 40321
9! + 1 = 362881