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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -3 |
| 2 | -4 |
| 3 | 99 |
| 4 | 116 |
| 5 | -2523 |
| 6 | -8764 |
| 7 | 1074243 |
| 8 | 1242356 |
| 9 | -48982293 |
| 10 | -283202524 |
| 11 | 27296351769 |
| 12 | 94690800596 |
| 13 | -5393115879063 |
| 14 | -43653497804284 |
| 15 | 22950350777886291 |
| 16 | 26538141745926836 |
| 17 | -1976553215554138833 |
| 18 | -20569900661155862044 |
| 19 | 3424560766779704633439 |
[1,-3,-4,99,116,-2523,-8764,1074243,1242356, -48982293,-283202524,27296351769,94690800596, -5393115879063,-43653497804284,22950350777886291, 26538141745926836,-1976553215554138833, -20569900661155862044,3424560766779704633439] |