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| n | a(n) |
|---|---|
| 1 | 1820 |
| 2 | 10362 |
| 3 | 2176212 |
| 4 | 11523584 |
| 5 | 2708828768 |
| 6 | 16591451786 |
| 7 | 3418758855092 |
| 8 | 23361620384256 |
| 9 | 4350234790574400 |
| 10 | 32153414354169192 |
| 11 | 5569519078013287152 |
| 12 | 43688532906706219824 |
| 13 | 7166718834513098568960 |
| 14 | 58940198578609172106570 |
[1820,10362,2176212,11523584,2708828768, 16591451786,3418758855092,23361620384256, 4350234790574400,32153414354169192, 5569519078013287152,43688532906706219824, 7166718834513098568960,58940198578609172106570] |