n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -2 |
3 | -8 |
4 | -36 |
5 | -224 |
6 | -1880 |
7 | -19872 |
8 | -251888 |
9 | -3712256 |
10 | -62286624 |
11 | -1171487360 |
12 | -24402416192 |
13 | -557542291968 |
14 | -13861636770176 |
15 | -372514645389824 |
16 | -10759590258589440 |
17 | -332386419622387712 |
[1,0,-2,-8,-36,-224,-1880,-19872,-251888,-3712256, -62286624,-1171487360,-24402416192,-557542291968, -13861636770176,-372514645389824, -10759590258589440,-332386419622387712] |