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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 2 |
| 5 | 0 |
| 6 | 0 |
| 7 | 8 |
| 8 | 8 |
| 9 | 0 |
| 10 | 0 |
| 11 | 30 |
| 12 | 174 |
| 13 | 30 |
| 14 | 0 |
| 15 | 0 |
| 16 | 112 |
| 17 | 2084 |
| 18 | 2084 |
| 19 | 112 |
| 20 | 0 |
| 21 | 0 |
| 22 | 420 |
| 23 | 21025 |
| 24 | 52808 |
| 25 | 21025 |
| 26 | 420 |
| 27 | 0 |
| 28 | 0 |
| 29 | 1584 |
| 30 | 194064 |
| 31 | 994788 |
| 32 | 994788 |
| 33 | 194064 |
| 34 | 1584 |
| 35 | 0 |
| 36 | 0 |
| 37 | 6006 |
| 38 | 1694224 |
| 39 | 16074586 |
| 40 | 31497284 |
| 41 | 16074586 |
| 42 | 1694224 |
| 43 | 6006 |
| 44 | 0 |
[1,0,0,0,2,0,0,8,8,0,0,30,174,30,0,0,112,2084, 2084,112,0,0,420,21025,52808,21025,420,0,0,1584, 194064,994788,994788,194064,1584,0,0,6006,1694224, 16074586,31497284,16074586,1694224,6006,0] |