n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -3 |
3 | 9 |
4 | -34 |
5 | 165 |
6 | -981 |
7 | 6853 |
8 | -54804 |
9 | 493209 |
10 | -4932055 |
11 | 54252561 |
12 | -651030678 |
13 | 8463398749 |
14 | -118487582409 |
15 | 1777313736045 |
16 | -28437019776616 |
17 | 483429336202353 |
18 | -8701728051642219 |
19 | 165332832981202009 |
20 | -3306656659624040010 |
[0,1,-3,9,-34,165,-981,6853,-54804,493209, -4932055,54252561,-651030678,8463398749, -118487582409,1777313736045,-28437019776616, 483429336202353,-8701728051642219, 165332832981202009,-3306656659624040010] |