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| n | a(n) |
|---|---|
| 1 | 23499295948800 |
| 2 | 1289512799941305139200 |
| 3 | 1154606796534757164318720000 |
| 4 | 6807663884896875000000000000000 |
| 5 | 52386144472825139642572263782154240000 |
| 6 | 42863636354909175368011800612065142374400 |
| 7 | 2154683673871373733440812330742751559680000 |
[23499295948800,1289512799941305139200, 1154606796534757164318720000, 6807663884896875000000000000000, 52386144472825139642572263782154240000, 42863636354909175368011800612065142374400, 2154683673871373733440812330742751559680000] |