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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 419 |
| 3 | 1641925 |
| 4 | 36164192549 |
| 5 | 643616419254981 |
| 6 | 100643616419254981121 |
| 7 | 144100643616419254981121169 |
| 8 | 196144100643616419254981121169225 |
| 9 | 256196144100643616419254981121169225289 |
[1,419,1641925,36164192549,643616419254981, 100643616419254981121,144100643616419254981121169, 196144100643616419254981121169225, 256196144100643616419254981121169225289] |