n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 1 |
3 | 480 |
4 | 2880 |
5 | 1 |
6 | 21840 |
7 | 2882880 |
8 | 18162144000 |
9 | 40040 |
10 | 626400 |
11 | 473558400 |
12 | 3270820512960000 |
13 | 145032891526185062400000 |
14 | 380331009246988800000 |
15 | 14968800 |
16 | 41254012800 |
17 | 22288874800832640000 |
18 | 17065364402126896882035609600000 |
19 | 59861520269419187714435515882890362880000000 |
20 | 687565882176828511388211047069939545826918400000000 |
[1,6,1,480,2880,1,21840,2882880,18162144000,40040, 626400,473558400,3270820512960000, 145032891526185062400000,380331009246988800000, 14968800,41254012800,22288874800832640000, 17065364402126896882035609600000, 59861520269419187714435515882890362880000000, 68756588217682851138821104706993954582691840000000\ 0] |