n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 15 |
4 | 720 |
5 | 409600 |
6 | 3920030472 |
7 | 775775333825891 |
8 | 3837862827737186253664 |
9 | 558740081065710564284870598075 |
10 | 2755731923933734753149997221152548428020 |
11 | 520996314135332606285488148844494695722050333912483 |
[1,2,15,720,409600,3920030472,775775333825891, 3837862827737186253664, 558740081065710564284870598075, 2755731923933734753149997221152548428020, 52099631413533260628548814884449469572205033391248\ 3] |