n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -4 |
3 | 120 |
4 | -1344 |
5 | 3024000 |
6 | -1576143360 |
7 | 101708006400 |
8 | -2522591034163200 |
9 | 6686974460694528000 |
10 | -1287307431968882688000 |
11 | 160078872315904478576640000 |
12 | -53718579665963356985229312000 |
13 | 574898901006059006921736192000000 |
14 | -241364461951740682229320388129587200000 |
[1,1,-4,120,-1344,3024000,-1576143360, 101708006400,-2522591034163200, 6686974460694528000,-1287307431968882688000, 160078872315904478576640000, -53718579665963356985229312000, 574898901006059006921736192000000, -241364461951740682229320388129587200000] |