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| n | a(n) |
|---|---|
| 8 | 5040 |
| 9 | 161280 |
| 10 | 3024000 |
| 11 | 43545600 |
| 12 | 534330720 |
| 13 | 5891719680 |
| 14 | 60227481600 |
| 15 | 582295633920 |
| 16 | 5397245411040 |
| 17 | 48421936442880 |
| 18 | 423440785541760 |
| 19 | 3628271603174400 |
| 20 | 30584600246448864 |
| 21 | 254421149466401280 |
| 22 | 2093705950217414400 |
| 23 | 17078070713147136000 |
| 24 | 138294714025711281360 |
[5040,161280,3024000,43545600,534330720, 5891719680,60227481600,582295633920,5397245411040, 48421936442880,423440785541760,3628271603174400, 30584600246448864,254421149466401280, 2093705950217414400,17078070713147136000, 138294714025711281360] |