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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | -1 |
| 4 | -4 |
| 5 | -14 |
| 6 | 8 |
| 7 | 35 |
| 8 | 44 |
| 9 | 246 |
| 10 | 168 |
| 11 | -1906 |
| 12 | 296 |
| 13 | -5692 |
| 14 | -19440 |
| 15 | 89539 |
| 16 | -104836 |
| 17 | 110062 |
| 18 | 946856 |
| 19 | -3306758 |
| 20 | 8516696 |
| 21 | 3998844 |
| 22 | -36402256 |
| 23 | 82221230 |
| 24 | -492938376 |
| 25 | -657397540 |
| 26 | 1092399120 |
| 27 | 553666748 |
| 28 | 22487269712 |
| 29 | 48307873544 |
| 30 | -8248804576 |
| 31 | -259354056349 |
| 32 | -754908556068 |
[1,1,0,-1,-4,-14,8,35,44,246,168,-1906,296,-5692, -19440,89539,-104836,110062,946856,-3306758, 8516696,3998844,-36402256,82221230,-492938376, -657397540,1092399120,553666748,22487269712, 48307873544,-8248804576,-259354056349, -754908556068] |