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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 15 |
| 5 | 115 |
| 6 | 1587 |
| 7 | 33283 |
| 8 | 1147868 |
| 9 | 64664807 |
| 10 | 5886944926 |
| 11 | 868821662115 |
| 12 | 207892029761070 |
| 13 | 80727613405529244 |
| 14 | 50826500691456029359 |
| 15 | 51893686154530928512158 |
| 16 | 85927150265759233982684320 |
[1,1,3,15,115,1587,33283,1147868,64664807, 5886944926,868821662115,207892029761070, 80727613405529244,50826500691456029359, 51893686154530928512158, 85927150265759233982684320] |