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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 13 |
| 3 | -7 |
| 4 | 29 |
| 5 | 35 |
| 6 | 4003 |
| 7 | -1603 |
| 8 | -138571 |
| 9 | 103943 |
| 10 | 25144415 |
| 11 | -10412479 |
| 12 | -125284438561 |
| 13 | 1480682411 |
| 14 | 45706820341 |
| 15 | -283520346235 |
| 16 | -850303535340107 |
| 17 | 70321149127439 |
| 18 | 371258049560520481 |
| 19 | -21930692428132471 |
| 20 | -53200355263894706081 |
| 21 | 8399313227097407027 |
[1,-2,13,-7,29,35,4003,-1603,-138571,103943, 25144415,-10412479,-125284438561,1480682411, 45706820341,-283520346235,-850303535340107, 70321149127439,371258049560520481, -21930692428132471,-53200355263894706081, 8399313227097407027] |