n | a(n) |
---|---|
1 | 1 |
2 | -2 |
3 | 20 |
4 | -520 |
5 | 26000 |
6 | -2132000 |
7 | 260104000 |
8 | -44217680000 |
9 | 9993195680000 |
10 | -2898026747200000 |
11 | 1049085682486400000 |
12 | -463695871658988800000 |
13 | 245758811979264064000000 |
14 | -153845016299019304064000000 |
[1,-2,20,-520,26000,-2132000,260104000, -44217680000,9993195680000,-2898026747200000, 1049085682486400000,-463695871658988800000, 245758811979264064000000, -153845016299019304064000000] |