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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 | 9 |
| 5 | 29 |
| 6 | 137 |
| 7 | 1117 |
| 8 | 13601 |
| 9 | 257342 |
| 10 | 6436423 |
| 11 | 229848194 |
| 12 | 12134224575 |
| 13 | 927491358387 |
[1,1,1,9,29,137,1117,13601,257342,6436423, 229848194,12134224575,927491358387] |