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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 285 |
| 4 | 143580 |
| 5 | 165586208737 |
| 6 | 34503106264353503812363 |
| 7 | 3125575377276322582757961508280359737616617470 |
| 8 | 14950569017858752404905377612655761944278894054203199584261755882250943182441832727288926452 |
[3,9,285,143580,165586208737, 34503106264353503812363, 3125575377276322582757961508280359737616617470, 14950569017858752404905377612655761944278894054203\ 199584261755882250943182441832727288926452] |