n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -2 |
3 | 3 |
4 | 248 |
5 | 5655 |
6 | 62064 |
7 | -3516625 |
8 | -376936064 |
9 | -21890186577 |
10 | -495165203200 |
11 | 96687112380639 |
12 | 20607024735783936 |
13 | 2471270260977141767 |
14 | 142697263160045590528 |
15 | -25986252776953159328625 |
16 | -11860424645318274482077696 |
17 | -2719428501410438623907546529 |
18 | -372732332273232481973818294272 |
[1,-1,-2,3,248,5655,62064,-3516625,-376936064, -21890186577,-495165203200,96687112380639, 20607024735783936,2471270260977141767, 142697263160045590528,-25986252776953159328625, -11860424645318274482077696, -2719428501410438623907546529, -372732332273232481973818294272] |