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 | 2 |
| 3 | 22 |
| 4 | 1250 |
| 5 | 168193 |
| 6 | 125116658 |
| 7 | 311793921998 |
[0,2,22,1250,168193,125116658,311793921998] |