n | a(n) |
---|---|
0 | 1 |
1 | 120 |
2 | 435456000 |
3 | 569434649591808000000 |
4 | 1385378702517271000054360965120000000000 |
5 | 21488900044302744250061179567064173417691432878080000000000000000 |
[1,120,435456000,569434649591808000000, 1385378702517271000054360965120000000000, 21488900044302744250061179567064173417691432878080\ 000000000000000] |