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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -511 |
| 3 | -1535 |
| 4 | 783361 |
| 5 | 3927041 |
| 6 | -2001477119 |
| 7 | -14065347071 |
| 8 | 7159228647425 |
| 9 | 64770890250241 |
| 10 | -32924954717084159 |
| 11 | -364551912798318079 |
| 12 | 185068793053819665409 |
| 13 | 2424875745286685942785 |
| 14 | -1229393010820937007019519 |
| 15 | -18610902353035901844902399 |
| 16 | 9423127420751760312065003521 |
[1,1,-511,-1535,783361,3927041,-2001477119, -14065347071,7159228647425,64770890250241, -32924954717084159,-364551912798318079, 185068793053819665409,2424875745286685942785, -1229393010820937007019519, -18610902353035901844902399, 9423127420751760312065003521] |