n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | -12 |
5 | 60 |
6 | -570 |
7 | 3780 |
8 | -26880 |
9 | 145152 |
10 | 67800 |
11 | -19702320 |
12 | 483806664 |
13 | -8808530016 |
14 | 143791860576 |
15 | -2098017710880 |
16 | 26000312931840 |
17 | -200354333649536 |
18 | -2365679417115840 |
19 | 173236427161446528 |
[1,0,0,0,-12,60,-570,3780,-26880,145152,67800, -19702320,483806664,-8808530016,143791860576, -2098017710880,26000312931840,-200354333649536, -2365679417115840,173236427161446528] |