The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1463 |
| 3 | 5852 |
| 4 | 0 |
| 5 | 11704 |
| 6 | 29260 |
| 7 | 25080 |
| 8 | 0 |
| 9 | 0 |
| 10 | 35112 |
| 11 | 15960 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 23408 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 27720 |
[1,1463,5852,0,11704,29260,25080,0,0,35112,15960, 0,0,0,23408,0,0,0,27720] |