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A186804 as a simple table
| n | a(n) |
|---|---|
| 1 | 117671951 |
| 2 | 47657171957 |
| 3 | 19839195220290 |
| 4 | 8263791225579948 |
| 5 | 3439855711337907764 |
[117671951,47657171957,19839195220290, 8263791225579948,3439855711337907764] |