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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 | 1 |
| 2 | 20 |
| 3 | 1680 |
| 4 | 369600 |
| 5 | 168168000 |
| 6 | 137225088000 |
| 7 | 67280653440000 |
| 8 | 22859094527068800 |
| 9 | 6325233865588881600 |
[1,1,20,1680,369600,168168000,137225088000, 67280653440000,22859094527068800, 6325233865588881600] |