The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | -4 |
| 2 | -82 |
| 3 | 3096 |
| 4 | 14202 |
| 5 | -4057260 |
| 6 | 614585190 |
| 7 | 65252737200 |
| 8 | 9930277245810 |
| 9 | 3938676912038700 |
| 10 | 2327811184268315550 |
| 11 | 661470912900859782600 |
| 12 | 625005810716811201651690 |
| 13 | 275157523021831158684027780 |
[2,-4,-82,3096,14202,-4057260,614585190, 65252737200,9930277245810,3938676912038700, 2327811184268315550,661470912900859782600, 625005810716811201651690, 275157523021831158684027780] |