n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | -10 |
3 | 84 |
4 | -868 |
5 | 9872 |
6 | -121392 |
7 | 1522000 |
8 | -20885744 |
9 | 249139392 |
10 | -4898915424 |
11 | -6811333312 |
12 | -4215314380800 |
13 | -213186664776192 |
14 | -15944754147807232 |
15 | -1207550934725368320 |
16 | -100056122156079206144 |
17 | -8876452703027927096320 |
[1,2,-10,84,-868,9872,-121392,1522000,-20885744, 249139392,-4898915424,-6811333312,-4215314380800, -213186664776192,-15944754147807232, -1207550934725368320,-100056122156079206144, -8876452703027927096320] |