n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 0 |
4 | -24 |
5 | -132 |
6 | 40 |
7 | 8568 |
8 | 83328 |
9 | -44272 |
10 | -13222112 |
11 | -182425408 |
12 | 173064320 |
13 | 53699598912 |
14 | 947897491840 |
15 | -1462598830976 |
16 | -450248068501504 |
17 | -9631043314112256 |
18 | 21880384337367552 |
19 | 6765800654464927744 |
20 | 169339160025954805760 |
21 | -532061075701090923520 |
22 | -165698959735673781516288 |
[0,1,2,0,-24,-132,40,8568,83328,-44272,-13222112, -182425408,173064320,53699598912,947897491840, -1462598830976,-450248068501504,-9631043314112256, 21880384337367552,6765800654464927744, 169339160025954805760,-532061075701090923520, -165698959735673781516288] |