n | a(n) |
---|---|
1 | 2 |
2 | 0 |
3 | 40 |
4 | -2688 |
5 | 210208 |
6 | -13038080 |
7 | 2241915520 |
8 | -589026013184 |
9 | 146361182839296 |
10 | -42690102749216768 |
11 | 18963982821764573184 |
12 | -10109322351828827471872 |
13 | 5702647873782168851521536 |
[2,0,40,-2688,210208,-13038080,2241915520, -589026013184,146361182839296,-42690102749216768, 18963982821764573184,-10109322351828827471872, 5702647873782168851521536] |