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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | -118 |
| 3 | 38 |
| 4 | 9838 |
| 5 | -3396 |
| 6 | 120 |
| 7 | -2413594 |
| 8 | 851584 |
| 9 | -32676 |
| 10 | 364 |
| 11 | 1765112266 |
| 12 | -627258560 |
| 13 | 24705064 |
| 14 | -298396 |
| 15 | 1094 |
| 16 | -3864390160942 |
| 17 | 1376531364480 |
| 18 | -54681938592 |
| 19 | 677595512 |
| 20 | -2692068 |
| 21 | 3282 |
| 22 | 25363211967758062 |
| 23 | -9041746935535360 |
| 24 | 360199412405184 |
| 25 | -4501063688336 |
| 26 | 18342945728 |
| 27 | -24228552 |
| 28 | 9844 |
[4,-118,38,9838,-3396,120,-2413594,851584,-32676, 364,1765112266,-627258560,24705064,-298396,1094, -3864390160942,1376531364480,-54681938592, 677595512,-2692068,3282,25363211967758062, -9041746935535360,360199412405184,-4501063688336, 18342945728,-24228552,9844] |