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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 | 7 |
| 3 | 33 |
| 4 | 499 |
| 5 | 11575 |
| 6 | 531309 |
| 7 | 48475501 |
| 8 | 7812612736 |
| 9 | 2508492642639 |
[1,7,33,499,11575,531309,48475501,7812612736, 2508492642639] |