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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 | 7 |
| 6 | 30 |
| 7 | 141 |
| 8 | 668 |
| 9 | 3249 |
| 10 | 15666 |
| 11 | 75931 |
| 12 | 367664 |
| 13 | 1781841 |
| 14 | 8636667 |
| 15 | 41888162 |
[1,1,7,30,141,668,3249,15666,75931,367664,1781841, 8636667,41888162] |