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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 261 |
| 3 | 9657 |
| 4 | 727255 |
| 5 | 118449078 |
| 6 | 41246881735 |
| 7 | 31109609768113 |
| 8 | 51738130203845519 |
| 9 | 188875848685544442507 |
| 10 | 1543222842240805350432703 |
| 11 | 28017029132033699472678460753 |
| 12 | 1145483791106793200438759541860992 |
[16,261,9657,727255,118449078,41246881735, 31109609768113,51738130203845519, 188875848685544442507,1543222842240805350432703, 28017029132033699472678460753, 1145483791106793200438759541860992] |