n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 18 |
3 | -268 |
4 | 5580 |
5 | -149368 |
6 | 4887368 |
7 | -189010176 |
8 | 8434813760 |
9 | -426626153664 |
10 | 24118046539968 |
11 | -1507010218083456 |
12 | 103135804627122816 |
13 | -7672260068001952512 |
14 | 616407170000568900864 |
15 | -53192668792451354284032 |
16 | 4906864974307552234844160 |
[1,-2,18,-268,5580,-149368,4887368,-189010176, 8434813760,-426626153664,24118046539968, -1507010218083456,103135804627122816, -7672260068001952512,616407170000568900864, -53192668792451354284032, 4906864974307552234844160] |