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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 34 |
| 2 | 434 |
| 3 | -34340 |
| 4 | -2107604 |
| 5 | 27515384 |
| 6 | 8543973496 |
| 7 | 171298455376 |
| 8 | -37357094566000 |
| 9 | -2259561093495776 |
| 10 | 165921323311011616 |
| 11 | 21955356087613897664 |
| 12 | -571265042757181733696 |
| 13 | -209644216596830988306560 |
| 14 | -1766009672973345849952384 |
| 15 | 2059039412479673870904327424 |
[1,34,434,-34340,-2107604,27515384,8543973496, 171298455376,-37357094566000,-2259561093495776, 165921323311011616,21955356087613897664, -571265042757181733696,-209644216596830988306560, -1766009672973345849952384, 2059039412479673870904327424] |