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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 3 |
| 9 | 0 |
| 10 | 0 |
| 11 | 5 |
| 12 | 6 |
| 13 | 0 |
| 14 | 0 |
| 15 | 584 |
| 16 | 882 |
| 17 | 0 |
| 18 | 0 |
| 19 | 18026 |
| 20 | 194741 |
| 21 | 0 |
| 22 | 0 |
| 23 | 644414 |
| 24 | 960834 |
| 25 | 0 |
| 26 | 0 |
| 27 | 229910636 |
[0,0,0,0,0,0,0,3,0,0,5,6,0,0,584,882,0,0,18026, 194741,0,0,644414,960834,0,0,229910636] |