The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -1918 |
| 3 | -11524 |
| 4 | 11036140 |
| 5 | 110668792 |
| 6 | -105835967816 |
| 7 | -1487904444976 |
| 8 | 1420941302106512 |
| 9 | 25719901350164000 |
| 10 | -24528002841138116576 |
| 11 | -543392509632428313152 |
| 12 | 517484251048077204023488 |
| 13 | 13567773344258481022584704 |
| 14 | -12902725949998740057685701760 |
[1,2,-1918,-11524,11036140,110668792, -105835967816,-1487904444976,1420941302106512, 25719901350164000,-24528002841138116576, -543392509632428313152,517484251048077204023488, 13567773344258481022584704, -12902725949998740057685701760] |