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A066120 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 24 |
| 3 | 8640 |
| 4 | 653184000 |
| 5 | 114069441024000000 |
| 6 | 598216546007097937920000000000 |
| 7 | 1601591599167888308924824752807936000000000000000 |
[1,2,24,8640,653184000,114069441024000000, 598216546007097937920000000000, 1601591599167888308924824752807936000000000000000] |