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| n | a(n) |
|---|---|
| 1 | 25 |
| 2 | 757 |
| 3 | 29925 |
| 4 | 1281402 |
| 5 | 59340183 |
| 6 | 2862828262 |
| 7 | 142920335981 |
| 8 | 7311973715989 |
[25,757,29925,1281402,59340183,2862828262, 142920335981,7311973715989] |