n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 40 |
4 | 1728 |
5 | 10560 |
6 | 604800 |
7 | 4386816 |
8 | 348364800 |
9 | 76859228160 |
10 | 490311843840 |
11 | 172454510592000 |
12 | 6951148594790400 |
13 | 54188395462656000 |
14 | 5673488083845120000 |
15 | 2112698895984230400000 |
16 | 458667310457770160947200 |
[1,6,40,1728,10560,604800,4386816,348364800, 76859228160,490311843840,172454510592000, 6951148594790400,54188395462656000, 5673488083845120000,2112698895984230400000, 458667310457770160947200] |