n | a(n) |
---|---|
0 | 1 |
1 | -32 |
2 | 496 |
3 | -4992 |
4 | 36984 |
5 | -217280 |
6 | 1066432 |
7 | -4548352 |
8 | 17369116 |
9 | -60711456 |
10 | 197327712 |
11 | -603261056 |
12 | 1749861312 |
13 | -4849210560 |
14 | 12909347456 |
15 | -33162318080 |
16 | 82507571334 |
17 | -199432268416 |
18 | 469559849680 |
19 | -1079335967872 |
[1,-32,496,-4992,36984,-217280,1066432,-4548352, 17369116,-60711456,197327712,-603261056, 1749861312,-4849210560,12909347456,-33162318080, 82507571334,-199432268416,469559849680, -1079335967872] |