n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 6 |
3 | 120 |
4 | 6300 |
5 | 514080 |
6 | 62785800 |
7 | 10676746080 |
8 | 2413521910800 |
9 | 700039083744000 |
10 | 253445583029839200 |
11 | 112033456760809584000 |
12 | 59382041886244720843200 |
13 | 37175286835046004765120000 |
14 | 27139206193305890195912400000 |
15 | 22852066417535931447551359680000 |
[1,0,6,120,6300,514080,62785800,10676746080, 2413521910800,700039083744000,253445583029839200, 112033456760809584000,59382041886244720843200, 37175286835046004765120000, 27139206193305890195912400000, 22852066417535931447551359680000] |