n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 2 |
4 | -8 |
5 | -76 |
6 | -264 |
7 | 1672 |
8 | 36800 |
9 | 261648 |
10 | -1443680 |
11 | -66164704 |
12 | -792152448 |
13 | 2482671424 |
14 | 289529373056 |
15 | 5294082629760 |
16 | 1648955815936 |
17 | -2474170098704128 |
18 | -65494141255724544 |
19 | -303927676523118080 |
20 | 35926135133071923200 |
21 | 1341060635191667045376 |
[0,1,2,2,-8,-76,-264,1672,36800,261648,-1443680, -66164704,-792152448,2482671424,289529373056, 5294082629760,1648955815936,-2474170098704128, -65494141255724544,-303927676523118080, 35926135133071923200,1341060635191667045376] |