n | a(n) |
---|---|
3 | 0 |
4 | 1 |
5 | 61 |
6 | 2836 |
7 | 129288 |
8 | 6160640 |
9 | 313921008 |
10 | 17239040000 |
11 | 1021644763392 |
12 | 65244849242112 |
13 | 4477975127425280 |
14 | 329252714454974464 |
15 | 25850313756000000000 |
16 | 2160223055912342913024 |
17 | 191558954408834121740288 |
18 | 17973564914103712921681920 |
[0,1,61,2836,129288,6160640,313921008,17239040000, 1021644763392,65244849242112,4477975127425280, 329252714454974464,25850313756000000000, 2160223055912342913024,191558954408834121740288, 17973564914103712921681920] |