n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 12 |
5 | -120 |
6 | 1020 |
7 | -8820 |
8 | 82908 |
9 | -867888 |
10 | 10145760 |
11 | -131406000 |
12 | 1864232832 |
13 | -28656815616 |
14 | 473108471472 |
15 | -8332064722800 |
16 | 155724385537488 |
17 | -3076215029701248 |
18 | 64018830395437056 |
19 | -1399676595110345088 |
[1,0,0,0,12,-120,1020,-8820,82908,-867888, 10145760,-131406000,1864232832,-28656815616, 473108471472,-8332064722800,155724385537488, -3076215029701248,64018830395437056, -1399676595110345088] |