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 | 22 |
| 4 | 597 |
| 5 | 7178 |
| 6 | 43090 |
| 7 | 207494 |
[0,0,22,597,7178,43090,207494] |