n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 78 |
4 | 1648 |
5 | 49500 |
6 | 1957968 |
7 | 97097336 |
8 | 5834581632 |
9 | 414370221696 |
10 | 34127635732800 |
11 | 3211425586911168 |
12 | 341164552018811904 |
13 | 40517022329819203584 |
14 | 5335290940894955228160 |
15 | 773591071307555130451200 |
[1,1,6,78,1648,49500,1957968,97097336,5834581632, 414370221696,34127635732800,3211425586911168, 341164552018811904,40517022329819203584, 5335290940894955228160,773591071307555130451200] |