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| n | a(n) |
|---|---|
| 0 | -1 |
| 1 | 55 |
| 2 | -4219 |
| 3 | 802171 |
| 4 | -109684277 |
| 5 | 760100160121 |
| 6 | -265779449377027 |
| 7 | 417652078505070229 |
| 8 | -7396136516120375032117 |
| 9 | 1432995839205684739321951 |
| 10 | -63523043223346003438419401363 |
| 11 | 2351819493900615585072181702093 |
[-1,55,-4219,802171,-109684277,760100160121, -265779449377027,417652078505070229, -7396136516120375032117,1432995839205684739321951, -63523043223346003438419401363, 2351819493900615585072181702093] |