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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 10045 |
| 3 | 20475 |
| 4 | 836640 |
| 5 | 12397000 |
| 6 | 1331330000 |
| 7 | 143820000 |
| 8 | 213051960000 |
| 9 | 94724270640000 |
| 10 | 3908675145375000 |
| 11 | 104284286367187500 |
| 12 | 43867845932728125000000 |
| 13 | 12399293137277921875000 |
[5,10045,20475,836640,12397000,1331330000, 143820000,213051960000,94724270640000, 3908675145375000,104284286367187500, 43867845932728125000000,12399293137277921875000] |