n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 9 |
3 | -225 |
4 | 3345 |
5 | -893025 |
6 | -36212775 |
7 | -20892252225 |
8 | -3614048241375 |
9 | -1664630362370625 |
10 | -584598534985164375 |
11 | -327627617091486830625 |
12 | -181787523574523506599375 |
13 | -131875411531849225343390625 |
[1,-1,9,-225,3345,-893025,-36212775,-20892252225, -3614048241375,-1664630362370625, -584598534985164375,-327627617091486830625, -181787523574523506599375, -131875411531849225343390625] |