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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 | 1 |
| 4 | 2 |
| 5 | 5 |
| 6 | 15 |
| 7 | 48 |
| 8 | 159 |
| 9 | 538 |
| 10 | 1850 |
| 11 | 6446 |
[1,1,1,2,5,15,48,159,538,1850,6446] |