n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 12 |
4 | 2304 |
5 | 898560 |
6 | 4827340800 |
7 | 143219736576000 |
8 | 49230909076930560000 |
9 | 149334225705682285363200000 |
10 | 5482643392499167214520238080000000 |
11 | 2322479608280149573505226859610112000000000 |
12 | 13283541711093841017468807905468592685056000000000000 |
[1,0,2,12,2304,898560,4827340800,143219736576000, 49230909076930560000,149334225705682285363200000, 5482643392499167214520238080000000, 2322479608280149573505226859610112000000000, 13283541711093841017468807905468592685056000000000\ 000] |