| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 10 |
| 6 | 0 |
| 7 | 28 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 88 |
| 12 | 0 |
| 13 | 4524 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 140692 |
| 18 | 0 |
| 19 | 820496 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 128850048 |
| 24 | 0 |
| 25 | 1957725000 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 605917055356 |
| 30 | 0 |
| 31 | 13404947681712 |
| 32 | 0 |
| 33 | 0 |
| 34 | 0 |
[1,0,0,0,10,0,28,0,0,0,88,0,4524,0,0,0,140692,0, 820496,0,0,0,128850048,0,1957725000,0,0,0, 605917055356,0,13404947681712,0,0,0] |