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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 139 |
| 3 | 6342 |
| 4 | 388863 |
| 5 | 27063372 |
| 6 | 2069073259 |
| 7 | 169567752136 |
| 8 | 14608129152756 |
[9,139,6342,388863,27063372,2069073259, 169567752136,14608129152756] |