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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 | -1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 10 |
| 6 | 135 |
| 7 | 19818 |
| 8 | 395466722 |
| 9 | 156401766357161409 |
| 10 | 24461512581491800525933058683030176 |
[-1,0,0,1,2,10,135,19818,395466722, 156401766357161409, 24461512581491800525933058683030176] |