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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 23 |
| 5 | 164 |
| 6 | 1482 |
| 7 | 15838 |
| 8 | 197262 |
| 9 | 2830649 |
[1,1,4,23,164,1482,15838,197262,2830649] |