n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 0 |
4 | 9 |
5 | -48 |
6 | 15 |
7 | 2448 |
8 | -24927 |
9 | 23424 |
10 | 3091311 |
11 | -47659200 |
12 | 88056969 |
13 | 10702667520 |
14 | -225139993377 |
15 | 679791291648 |
16 | 78646340795265 |
17 | -2128005345251328 |
18 | 9456106738649631 |
19 | 1053535684549174272 |
[1,1,-1,0,9,-48,15,2448,-24927,23424,3091311, -47659200,88056969,10702667520,-225139993377, 679791291648,78646340795265,-2128005345251328, 9456106738649631,1053535684549174272] |