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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 4 |
| 7 | 26 |
| 8 | 374 |
| 9 | 11487 |
| 10 | 612884 |
| 11 | 48176183 |
| 12 | 5115840190 |
| 13 | 698180921122 |
[1,1,1,4,26,374,11487,612884,48176183,5115840190, 698180921122] |