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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 2 |
| 3 | -676 |
| 4 | 62 |
| 5 | -2714132 |
| 6 | 7223932 |
| 7 | -120994136 |
| 8 | 13831453742 |
| 9 | -463898158095404 |
| 10 | 1539871314859772 |
| 11 | -1284535259155106488 |
| 12 | 5072225817430199548 |
| 13 | -10084534723769793975176 |
| 14 | 4033550950013006300665768 |
| 15 | -325181210925396330786544500464 |
| 16 | 435279229771188834270330121078 |
[1,-2,2,-676,62,-2714132,7223932,-120994136, 13831453742,-463898158095404,1539871314859772, -1284535259155106488,5072225817430199548, -10084534723769793975176, 4033550950013006300665768, -325181210925396330786544500464, 435279229771188834270330121078] |