n | a(n) |
---|---|
1 | 1 |
2 | 27 |
3 | 864 |
4 | 36000 |
5 | 1944000 |
6 | 133358400 |
7 | 11379916800 |
8 | 1185137049600 |
9 | 148142131200000 |
10 | 21908575180800000 |
11 | 3785801791242240000 |
12 | 756127866850836480000 |
13 | 172901238886557941760000 |
14 | 44887821634010234880000000 |
15 | 13132894100921851576320000000 |
16 | 4301460581188603786297344000000 |
[1,27,864,36000,1944000,133358400,11379916800, 1185137049600,148142131200000,21908575180800000, 3785801791242240000,756127866850836480000, 172901238886557941760000, 44887821634010234880000000, 13132894100921851576320000000, 4301460581188603786297344000000] |