n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 108 |
4 | 6912 |
5 | 21600000 |
6 | 583200000 |
7 | 480290277600000 |
8 | 31476303632793600000 |
9 | 16727798278915463577600000 |
10 | 52274369621610823680000000000 |
11 | 14914487726878692033020558868480000000000 |
[1,1,4,108,6912,21600000,583200000, 480290277600000,31476303632793600000, 16727798278915463577600000, 52274369621610823680000000000, 14914487726878692033020558868480000000000] |