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 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 2 |
| 6 | 6 |
| 7 | 0 |
| 8 | 52 |
| 9 | 270 |
| 10 | 0 |
| 11 | 17130 |
| 12 | 189154 |
| 13 | 0 |
| 14 | 51417622 |
[0,1,1,0,2,6,0,52,270,0,17130,189154,0,51417622] |