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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -5 |
| 2 | 109 |
| 3 | -3317 |
| 4 | 121501 |
| 5 | -4954505 |
| 6 | 216867925 |
| 7 | -9981053045 |
| 8 | 476860000285 |
| 9 | -23451310381505 |
| 10 | 1180189308268609 |
| 11 | -60519806861966105 |
| 12 | 3152285573768063461 |
| 13 | -166371462775232899553 |
| 14 | 8880340127444426907109 |
| 15 | -478649327347386225075317 |
[1,-5,109,-3317,121501,-4954505,216867925, -9981053045,476860000285,-23451310381505, 1180189308268609,-60519806861966105, 3152285573768063461,-166371462775232899553, 8880340127444426907109,-478649327347386225075317] |