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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) |
|---|---|
| 0 | 0 |
| 1 | -1 |
| 2 | 7 |
| 3 | -61 |
| 4 | 648 |
| 5 | -7661 |
| 6 | 97024 |
| 7 | -1293185 |
| 8 | 17921632 |
| 9 | -256059001 |
[0,-1,7,-61,648,-7661,97024,-1293185,17921632, -256059001] |