n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 576 |
3 | 518400 |
4 | 1625702400 |
5 | 13168189440000 |
6 | 229442532802560000 |
7 | 7600054456551997440000 |
8 | 437763136697395052544000000 |
9 | 40990389067797283140009984000000 |
10 | 5919012181389927685417441689600000000 |
[1,4,576,518400,1625702400,13168189440000, 229442532802560000,7600054456551997440000, 437763136697395052544000000, 40990389067797283140009984000000, 5919012181389927685417441689600000000] |