The OEIS is supported by the many generous donors to the OEIS Foundation.
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 | 4 |
| 3 | 240 |
| 4 | 384 |
| 5 | 30720 |
| 6 | 7372800 |
[1,4,240,384,30720,7372800] |