n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | -4 |
4 | 72 |
5 | -2168 |
6 | 114864 |
7 | -10671216 |
8 | 1787642272 |
9 | -557621854080 |
10 | 332091938264960 |
11 | -383877081387120640 |
12 | 870132605833456937472 |
13 | -3891989736269204588784384 |
14 | 34485850497928703119235323904 |
15 | -606809291874393995479640098992128 |
[1,2,-4,72,-2168,114864,-10671216,1787642272, -557621854080,332091938264960,-383877081387120640, 870132605833456937472,-3891989736269204588784384, 34485850497928703119235323904, -606809291874393995479640098992128] |