n | a(n) |
---|---|
0 | -1 |
1 | 0 |
2 | 6 |
3 | 81 |
4 | 1620 |
5 | 45765 |
6 | 1671678 |
7 | 74794671 |
8 | 3958829640 |
9 | 241898775273 |
10 | 16756621904970 |
11 | 1297547591499819 |
12 | 111065107263415308 |
13 | 10412999996499836541 |
14 | 1061234184094567585326 |
15 | 116812280111404106348415 |
16 | 13810631408232372091755792 |
17 | 1745470697932523785587735249 |
[-1,0,6,81,1620,45765,1671678,74794671,3958829640, 241898775273,16756621904970,1297547591499819, 111065107263415308,10412999996499836541, 1061234184094567585326,116812280111404106348415, 13810631408232372091755792, 1745470697932523785587735249] |