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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | -386 |
| 3 | -10288 |
| 4 | 438796 |
| 5 | 22028768 |
| 6 | -811060856 |
| 7 | -65966160448 |
| 8 | 2027112412816 |
| 9 | 253695076915328 |
| 10 | -6180244656582176 |
| 11 | -1191069803371633408 |
| 12 | 21063652623108703936 |
| 13 | 6600286159191690034688 |
| 14 | -70420078571652397748096 |
| 15 | -42145163431480866400519168 |
| 16 | 138174222906806753595494656 |
[1,8,-386,-10288,438796,22028768,-811060856, -65966160448,2027112412816,253695076915328, -6180244656582176,-1191069803371633408, 21063652623108703936,6600286159191690034688, -70420078571652397748096, -42145163431480866400519168, 138174222906806753595494656] |