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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 40 |
| 7 | 0 |
| 8 | 0 |
| 9 | 368 |
| 10 | 1432 |
| 11 | 0 |
| 12 | 0 |
| 13 | 1704 |
| 14 | 10992 |
| 15 | 50992 |
| 16 | 0 |
| 17 | 0 |
| 18 | 5704 |
| 19 | 53784 |
| 20 | 369776 |
| 21 | 1925464 |
| 22 | 0 |
| 23 | 0 |
| 24 | 15400 |
| 25 | 198696 |
| 26 | 1885128 |
| 27 | 13903624 |
| 28 | 85773968 |
| 29 | 0 |
| 30 | 0 |
| 31 | 36096 |
| 32 | 606264 |
| 33 | 7572896 |
| 34 | 74743584 |
| 35 | 620821688 |
| 36 | 4424756040 |
[0,0,0,0,0,40,0,0,368,1432,0,0,1704,10992,50992,0, 0,5704,53784,369776,1925464,0,0,15400,198696, 1885128,13903624,85773968,0,0,36096,606264, 7572896,74743584,620821688,4424756040] |