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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 9 |
| 5 | 34 |
| 6 | 730 |
| 7 | 4376 |
| 8 | 905345 |
| 9 | 10601986 |
| 10 | 10009765626 |
| 11 | 200097656252 |
| 12 | 2177748514672962 |
| 13 | 85812416258106784 |
| 14 | 4142789042980129347156 |
| 15 | 289904403212517959978240 |
| 16 | 175519033940460517461369847809 |
[1,1,2,9,34,730,4376,905345,10601986,10009765626, 200097656252,2177748514672962,85812416258106784, 4142789042980129347156,289904403212517959978240, 175519033940460517461369847809] |