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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 2 | 3 |
| 3 | 15 |
| 4 | 35 |
| 5 | 220 |
| 6 | 1061 |
| 7 | 5229 |
| 8 | 27996 |
| 9 | 169400 |
| 10 | 1119573 |
| 11 | 7630797 |
| 12 | 52087939 |
| 13 | 353765130 |
| 14 | 2394603278 |
| 15 | 16234023660 |
| 16 | 110662223373 |
[3,15,35,220,1061,5229,27996,169400,1119573, 7630797,52087939,353765130,2394603278,16234023660, 110662223373] |