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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 1 |
| 4 | 1 |
| 5 | -2 |
| 6 | 1 |
| 7 | -2 |
| 8 | 5 |
| 9 | -4 |
| 10 | 1 |
| 11 | 12 |
| 12 | -32 |
| 13 | 29 |
| 14 | -10 |
| 15 | 1 |
| 16 | -288 |
| 17 | 780 |
| 18 | -728 |
| 19 | 269 |
| 20 | -34 |
| 21 | 1 |
| 22 | 34560 |
| 23 | -93888 |
| 24 | 88140 |
| 25 | -33008 |
| 26 | 4349 |
| 27 | -154 |
| 28 | 1 |
| 29 | -24883200 |
| 30 | 67633920 |
| 31 | -63554688 |
| 32 | 23853900 |
| 33 | -3164288 |
| 34 | 115229 |
| 35 | -874 |
| 36 | 1 |
| 37 | 125411328000 |
| 38 | -340899840000 |
| 39 | 320383261440 |
| 40 | -120287210688 |
| 41 | 15971865420 |
| 42 | -583918448 |
| 43 | 4520189 |
[1,-1,1,1,-2,1,-2,5,-4,1,12,-32,29,-10,1,-288,780, -728,269,-34,1,34560,-93888,88140,-33008,4349, -154,1,-24883200,67633920,-63554688,23853900, -3164288,115229,-874,1,125411328000,-340899840000, 320383261440,-120287210688,15971865420,-583918448, 4520189] |