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) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 288 |
| 3 | 235224 |
| 4 | 354079488 |
| 5 | 865363202000 |
| 6 | 3134808545188320 |
| 7 | 15796198853361763368 |
| 8 | 105717380511014096025600 |
| 9 | 907380314352243226001152800 |
| 10 | 9718304978537581699085289156000 |
[0,0,288,235224,354079488,865363202000, 3134808545188320,15796198853361763368, 105717380511014096025600, 907380314352243226001152800, 9718304978537581699085289156000] |