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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 30 |
| 3 | 753 |
| 4 | 39048 |
| 5 | 3656439 |
| 6 | 562400370 |
| 7 | 132584434941 |
| 8 | 45454204428636 |
| 9 | 21747608978702595 |
| 10 | 14048768969900622150 |
| 11 | 11925183926773031604489 |
| 12 | 13003120724393838963734064 |
| 13 | 17866681950868968379286259471 |
[3,30,753,39048,3656439,562400370,132584434941, 45454204428636,21747608978702595, 14048768969900622150,11925183926773031604489, 13003120724393838963734064, 17866681950868968379286259471] |