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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -1 |
| 3 | -11 |
| 4 | -239 |
| 5 | -17059 |
| 6 | -2145689 |
| 7 | -412595231 |
| 8 | -111962826751 |
| 9 | -40590007936199 |
| 10 | -18900753214178609 |
| 11 | -10974885891916507219 |
| 12 | -7765167486697279401071 |
| 13 | -6571694718107813687003051 |
| 14 | -6551841491106355785902247049 |
| 15 | -7597507878436131044487467850599 |
| 16 | -10136619271768255373949409579309439 |
| 17 | -15416099624633773180711565727641136271 |
| 18 | -26508391106594400233543066679525341764961 |
[1,1,-1,-11,-239,-17059,-2145689,-412595231, -111962826751,-40590007936199,-18900753214178609, -10974885891916507219,-7765167486697279401071, -6571694718107813687003051, -6551841491106355785902247049, -7597507878436131044487467850599, -10136619271768255373949409579309439, -15416099624633773180711565727641136271, -26508391106594400233543066679525341764961] |