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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | -216 |
| 5 | 0 |
| 6 | 0 |
| 7 | -46656 |
| 8 | 0 |
| 9 | 0 |
| 10 | -64665216 |
| 11 | 0 |
| 12 | 0 |
| 13 | -99769190400 |
| 14 | 0 |
| 15 | 0 |
| 16 | -209379250944000 |
| 17 | 0 |
| 18 | 0 |
| 19 | -509919494798794752 |
| 20 | 0 |
| 21 | 0 |
| 22 | -1418277076317722640384 |
| 23 | 0 |
| 24 | 0 |
| 25 | -4383492791601029274796032 |
| 26 | 0 |
| 27 | 0 |
| 28 | -14847316831212641665639907328 |
| 29 | 0 |
| 30 | 0 |
| 31 | -54539904643021932808281375375360 |
| 32 | 0 |
| 33 | 0 |
[1,0,0,-216,0,0,-46656,0,0,-64665216,0,0, -99769190400,0,0,-209379250944000,0,0, -509919494798794752,0,0,-1418277076317722640384,0, 0,-4383492791601029274796032,0,0, -14847316831212641665639907328,0,0, -54539904643021932808281375375360,0,0] |