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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | -14 |
| 4 | -3 |
| 5 | 1 |
| 6 | 115 |
| 7 | 79 |
| 8 | 6 |
| 9 | -1 |
| 10 | -800 |
| 11 | -895 |
| 12 | -255 |
| 13 | -10 |
| 14 | 1 |
| 15 | 5125 |
| 16 | 7875 |
| 17 | 3850 |
| 18 | 625 |
| 19 | 15 |
| 20 | -1 |
| 21 | -31250 |
| 22 | -60875 |
| 23 | -42075 |
| 24 | -12180 |
| 25 | -1295 |
| 26 | -21 |
| 27 | 1 |
| 28 | 184375 |
| 29 | 434375 |
| 30 | 387750 |
| 31 | 162375 |
| 32 | 31710 |
| 33 | 2394 |
| 34 | 28 |
| 35 | -1 |
| 36 | -1062500 |
| 37 | -2934375 |
[1,-1,-14,-3,1,115,79,6,-1,-800,-895,-255,-10,1, 5125,7875,3850,625,15,-1,-31250,-60875,-42075, -12180,-1295,-21,1,184375,434375,387750,162375, 31710,2394,28,-1,-1062500,-2934375] |