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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 27 |
| 3 | 251 |
| 4 | 2673 |
| 5 | 1375298099 |
| 6 | 106426514 |
[5,27,251,2673,1375298099,106426514] |