n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | -7 |
4 | -24 |
5 | 61 |
6 | 1200 |
7 | 4493 |
8 | -48384 |
9 | -781319 |
10 | -1804800 |
11 | 85444193 |
12 | 1210361856 |
13 | -1847527499 |
14 | -288162201600 |
15 | -3428482320907 |
16 | 33720680349696 |
17 | 1637781983297521 |
18 | 14158399925452800 |
19 | -431041350297034807 |
20 | -14236987086964260864 |
[1,1,0,-7,-24,61,1200,4493,-48384,-781319, -1804800,85444193,1210361856,-1847527499, -288162201600,-3428482320907,33720680349696, 1637781983297521,14158399925452800, -431041350297034807,-14236987086964260864] |