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 | 0 |
| 2 | 0 |
| 3 | 48 |
| 4 | 320 |
| 5 | 5925 |
| 6 | 33936 |
| 7 | 691880 |
| 8 | 5107200 |
| 9 | 69610716 |
| 10 | 628484000 |
[0,0,48,320,5925,33936,691880,5107200,69610716, 628484000] |