The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | -19 |
| 2 | 777 |
| 3 | -69137 |
| 4 | 10638417 |
| 5 | -2507750617 |
| 6 | 839139592969 |
| 7 | -378121773804337 |
| 8 | 220718283821767713 |
| 9 | -162004120310722473001 |
| 10 | 146031595896623765319193 |
| 11 | -158588958155287462968094529 |
| 12 | 204221537438129307495799630193 |
[2,-19,777,-69137,10638417,-2507750617, 839139592969,-378121773804337,220718283821767713, -162004120310722473001,146031595896623765319193, -158588958155287462968094529, 204221537438129307495799630193] |