The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 0 |
| 5 | 2 |
| 6 | 9 |
| 7 | 54 |
| 8 | 0 |
| 9 | 30 |
| 10 | 15376 |
| 11 | 12664 |
| 12 | 14304 |
| 13 | 4096 |
| 14 | 3187 |
[0,0,0,2,0,2,9,54,0,30,15376,12664,14304,4096, 3187] |