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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | -54 |
| 3 | 2106 |
| 4 | -179334 |
| 5 | 26414586 |
| 6 | -5957217414 |
| 7 | 1906398972666 |
| 8 | -821369346492294 |
| 9 | 458382160232420346 |
| 10 | -321645776191296739974 |
| 11 | 277173760840187306341626 |
| 12 | -287758284647458145849816454 |
| 13 | 354245505704926834826124160506 |
| 14 | -510230879113388713374134585497734 |
[6,-54,2106,-179334,26414586,-5957217414, 1906398972666,-821369346492294,458382160232420346, -321645776191296739974,277173760840187306341626, -287758284647458145849816454, 354245505704926834826124160506, -510230879113388713374134585497734] |