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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -1 |
| 3 | -55 |
| 4 | -143 |
| 5 | -968167 |
| 6 | -7000033 |
| 7 | -571772647 |
| 8 | -843598411471 |
| 9 | -1263845119891 |
| 10 | -740683182137153 |
| 11 | -474904166544135457 |
| 12 | 2379183287545454197 |
| 13 | 237037449673450822122569 |
| 14 | 155015924346163216960553093 |
| 15 | 50568039962561468889366023 |
| 16 | 1801162678607996830733199407999 |
| 17 | 2359789149102567189423591182268559 |
[1,1,-1,-55,-143,-968167,-7000033,-571772647, -843598411471,-1263845119891,-740683182137153, -474904166544135457,2379183287545454197, 237037449673450822122569, 155015924346163216960553093, 50568039962561468889366023, 1801162678607996830733199407999, 2359789149102567189423591182268559] |