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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 27 |
| 4 | 650 |
| 5 | 689392 |
| 6 | 1130869248534 |
| 7 | 2046949388776880512222550 |
| 8 | 5664769376602746621028306587399157369622446276283 |
| 9 | 61600875764518391286867927949695082949269716944423018977948114995142883041085134431474743108010213 |
[3,7,27,650,689392,1130869248534, 2046949388776880512222550, 5664769376602746621028306587399157369622446276283, 61600875764518391286867927949695082949269716944423\ 018977948114995142883041085134431474743108010213] |