The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | -13 |
| 2 | 545 |
| 3 | -56943 |
| 4 | 11117105 |
| 5 | -3487836823 |
| 6 | 1604931814265 |
| 7 | -1018249076690703 |
| 8 | 851905379176813025 |
| 9 | -908738393030606172583 |
| 10 | 1203783991693440890209385 |
| 11 | -1938726869386079701650506463 |
[2,-13,545,-56943,11117105,-3487836823, 1604931814265,-1018249076690703, 851905379176813025,-908738393030606172583, 1203783991693440890209385, -1938726869386079701650506463] |