n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | -12 |
3 | -80 |
4 | -700 |
5 | -7056 |
6 | -77616 |
7 | -906048 |
8 | -11042460 |
9 | -139053200 |
10 | -1796567344 |
11 | -23696871744 |
12 | -317933029232 |
13 | -4326899214400 |
14 | -59605244280000 |
15 | -829705000377600 |
16 | -11654762427179100 |
17 | -165021757273414800 |
18 | -2353088020380174000 |
19 | -33764531705178120000 |
[1,-4,-12,-80,-700,-7056,-77616,-906048,-11042460, -139053200,-1796567344,-23696871744,-317933029232, -4326899214400,-59605244280000,-829705000377600, -11654762427179100,-165021757273414800, -2353088020380174000,-33764531705178120000] |