n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 90 |
4 | 2520 |
5 | 112681 |
6 | 7368841 |
7 | 663399996 |
8 | 78683697960 |
9 | 11891546908080 |
10 | 2230852444731961 |
11 | 508662924427157281 |
12 | 138544315556694333336 |
13 | 44427011758118629606980 |
14 | 16567455622575976083141540 |
15 | 7109119064485787682672633841 |
16 | 3478010197625548606811131876321 |
[1,1,6,90,2520,112681,7368841,663399996, 78683697960,11891546908080,2230852444731961, 508662924427157281,138544315556694333336, 44427011758118629606980, 16567455622575976083141540, 7109119064485787682672633841, 3478010197625548606811131876321] |