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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 141 |
| 3 | 28681 |
| 4 | 4705381 |
| 5 | 950563701 |
| 6 | 210668680701 |
| 7 | 49294458374841 |
| 8 | 12077564886803781 |
| 9 | 3065961180872817781 |
| 10 | 800511109831448931841 |
| 11 | 213886825849469969067741 |
| 12 | 58256290618618126540488181 |
[1,141,28681,4705381,950563701,210668680701, 49294458374841,12077564886803781, 3065961180872817781,800511109831448931841, 213886825849469969067741, 58256290618618126540488181] |