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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 22 |
| 3 | -602 |
| 4 | 30742 |
| 5 | -2523002 |
| 6 | 303692662 |
| 7 | -50402079002 |
| 8 | 11030684333782 |
| 9 | -3077986048956602 |
| 10 | 1066578948824962102 |
| 11 | -449342758735568563802 |
| 12 | 226182806795367665865622 |
| 13 | -134065091768709178087428602 |
| 14 | 92423044260377387363207812342 |
| 15 | -73323347841467639992211297199002 |
[1,-2,22,-602,30742,-2523002,303692662, -50402079002,11030684333782,-3077986048956602, 1066578948824962102,-449342758735568563802, 226182806795367665865622, -134065091768709178087428602, 92423044260377387363207812342, -73323347841467639992211297199002] |