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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 32 |
| 3 | 8112 |
| 4 | 17971200 |
| 5 | 355207057920 |
| 6 | 63010655570903040 |
| 7 | 100505356319291594711040 |
| 8 | 1442361950110091891786121216000 |
| 9 | 186276322602412236974585775503690956800 |
| 10 | 216505458700483736766078241517019274701019545600 |
| 11 | 2264736353104098912130003755084217747715114856943819161600 |
[1,32,8112,17971200,355207057920, 63010655570903040,100505356319291594711040, 1442361950110091891786121216000, 186276322602412236974585775503690956800, 216505458700483736766078241517019274701019545600, 22647363531040989121300037550842177477151148569438\ 19161600] |