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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -26 |
| 3 | 366 |
| 4 | -6270 |
| 5 | 99922 |
| 6 | -1630730 |
| 7 | -33526706 |
| 8 | 1685562866 |
| 9 | -390576999182 |
| 10 | -2936125610490 |
| 11 | -3666605533359442 |
| 12 | -376235732409401630 |
| 13 | -85462222978639050222 |
| 14 | -16821593963787582554986 |
| 15 | -3977651379054471070911090 |
| 16 | -1019617793745769995713403822 |
| 17 | -288252359877865826549093001294 |
| 18 | -89096129151626329798167571168346 |
[1,2,-26,366,-6270,99922,-1630730,-33526706, 1685562866,-390576999182,-2936125610490, -3666605533359442,-376235732409401630, -85462222978639050222,-16821593963787582554986, -3977651379054471070911090, -1019617793745769995713403822, -288252359877865826549093001294, -89096129151626329798167571168346] |