The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -9 |
| 2 | -10 |
| 3 | 1269 |
| 4 | 1310 |
| 5 | -154449 |
| 6 | -476530 |
| 7 | 317846493 |
| 8 | 326791070 |
| 9 | -70135077879 |
| 10 | -360532916050 |
| 11 | 189164275688799 |
| 12 | 583443224756030 |
| 13 | -180891788804426709 |
| 14 | -1301832061482312370 |
| 15 | 3725749956010732159581 |
| 16 | 3830467285470508564190 |
| 17 | -1553024263191639076482939 |
[1,-9,-10,1269,1310,-154449,-476530,317846493, 326791070,-70135077879,-360532916050, 189164275688799,583443224756030, -180891788804426709,-1301832061482312370, 3725749956010732159581,3830467285470508564190, -1553024263191639076482939] |