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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 30 |
| 3 | 1888 |
| 4 | 604412 |
| 5 | 976810146 |
| 6 | 8524103612876 |
| 7 | 384784855475971422 |
| 8 | 91451636241199973001868 |
| 9 | 113848681754675491485349305798 |
[3,30,1888,604412,976810146,8524103612876, 384784855475971422,91451636241199973001868, 113848681754675491485349305798] |