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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 1413 |
| 3 | 2001156 |
| 4 | 22370911245 |
| 5 | 2000159147569783 |
| 6 | 1426979668861283669236 |
| 7 | 8127101616666745550335206754 |
[9,1413,2001156,22370911245,2000159147569783, 1426979668861283669236, 8127101616666745550335206754] |