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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 384 |
| 3 | 8193540096000 |
| 4 | 172685928902844729688524604506636288 |
| 5 | 77746347057132811936046563068332100246216273086593103906734080000000000000 |
[1,384,8193540096000, 172685928902844729688524604506636288, 77746347057132811936046563068332100246216273086593\ 103906734080000000000000] |