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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 2 | 2 |
| 3 | 4 |
| 4 | 24 |
| 5 | 174 |
| 6 | 1056 |
| 7 | 5888 |
| 8 | 36040 |
| 9 | 236972 |
| 10 | 1551794 |
| 11 | 10248112 |
| 12 | 68980166 |
| 13 | 470576013 |
| 14 | 3239450594 |
| 15 | 22488650598 |
| 16 | 157362252838 |
[2,4,24,174,1056,5888,36040,236972,1551794, 10248112,68980166,470576013,3239450594, 22488650598,157362252838] |