The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 2 |
| 10 | 1 |
| 11 | 2 |
| 12 | 0 |
| 13 | 95 |
| 14 | 31 |
| 15 | 104 |
| 16 | 13 |
| 17 | 31198 |
| 18 | 10838 |
[0,0,0,0,1,0,0,0,2,1,2,0,95,31,104,13,31198,10838] |