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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 29 |
| 2 | 545 |
| 3 | 8425 |
| 4 | 116481 |
| 5 | 1498569 |
| 6 | 18339025 |
| 7 | 216366425 |
| 8 | 2482819361 |
| 9 | 27879546409 |
| 10 | 307689294705 |
| 11 | 3348390668025 |
| 12 | 36019012136641 |
| 13 | 383739078223049 |
| 14 | 4055195455949585 |
| 15 | 42559109119075225 |
| 16 | 444030782195892321 |
| 17 | 4609267440756720489 |
| 18 | 47637330174759935665 |
| 19 | 490467357236434900025 |
[1,29,545,8425,116481,1498569,18339025,216366425, 2482819361,27879546409,307689294705,3348390668025, 36019012136641,383739078223049,4055195455949585, 42559109119075225,444030782195892321, 4609267440756720489,47637330174759935665, 490467357236434900025] |