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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 70 |
| 3 | 34052 |
| 4 | 59177576 |
| 5 | 268686190790 |
| 6 | 2643357374211756 |
| 7 | 49707855255794171208 |
[1,70,34052,59177576,268686190790, 2643357374211756,49707855255794171208] |