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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 40 |
| 5 | 48 |
| 6 | 1920 |
| 7 | 1968 |
| 8 | 3778560 |
| 9 | 3780528 |
| 10 | 14284951879680 |
| 11 | 14284955660208 |
| 12 | 204059904209433724979773440 |
| 13 | 204059904209448009935433648 |
| 14 | 41640444505966182658016083427778017651139155192709120 |
| 15 | 41640444505966182658016083631837921860587165128142768 |
[3,5,8,40,48,1920,1968,3778560,3780528, 14284951879680,14284955660208, 204059904209433724979773440, 204059904209448009935433648, 41640444505966182658016083427778017651139155192709\ 120, 41640444505966182658016083631837921860587165128142\ 768] |