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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 322 |
| 3 | 3326 |
| 4 | 47266 |
| 5 | 1034546 |
| 6 | 35987921 |
| 7 | 1915241208 |
| 8 | 157183478333 |
| 9 | 19993599538566 |
| 10 | 3912790092731608 |
| 11 | 1178650827932347077 |
| 12 | 547811008058997697527 |
| 13 | 392513656335386815116037 |
[64,322,3326,47266,1034546,35987921,1915241208, 157183478333,19993599538566,3912790092731608, 1178650827932347077,547811008058997697527, 392513656335386815116037] |