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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | -29 |
| 3 | 14 |
| 4 | 509 |
| 5 | -283 |
| 6 | 31 |
| 7 | -17053 |
| 8 | 10104 |
| 9 | -1306 |
| 10 | 64 |
| 11 | 1116637 |
| 12 | -682005 |
| 13 | 94994 |
| 14 | -5466 |
| 15 | 129 |
| 16 | -144570461 |
| 17 | 89619570 |
| 18 | -12936231 |
| 19 | 800108 |
| 20 | -22107 |
| 21 | 258 |
| 22 | 37221717341 |
| 23 | -23243908815 |
| 24 | 3414230937 |
| 25 | -218563987 |
| 26 | 6481607 |
| 27 | -88413 |
| 28 | 515 |
[3,-29,14,509,-283,31,-17053,10104,-1306,64, 1116637,-682005,94994,-5466,129,-144570461, 89619570,-12936231,800108,-22107,258,37221717341, -23243908815,3414230937,-218563987,6481607,-88413, 515] |