n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | -48 |
3 | 672 |
4 | -10686 |
5 | 185472 |
6 | -3398304 |
7 | 64606080 |
8 | -1261584768 |
9 | 25141699590 |
10 | -509112525600 |
11 | 10443131883360 |
12 | -216500232587520 |
13 | 4528450460408448 |
14 | -95438941858567104 |
15 | 2024550297637849728 |
16 | -43190698219545864702 |
17 | 925997705081213764608 |
18 | -19940633776083900614736 |
19 | 431091393800371703940576 |
[1,6,-48,672,-10686,185472,-3398304,64606080, -1261584768,25141699590,-509112525600, 10443131883360,-216500232587520,4528450460408448, -95438941858567104,2024550297637849728, -43190698219545864702,925997705081213764608, -19940633776083900614736,431091393800371703940576] |