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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 5 |
| 2 | -63 |
| 3 | 1087 |
| 4 | -51399 |
| 5 | 4655147 |
| 6 | -614607875 |
| 7 | 110785434767 |
| 8 | -26276828035887 |
| 9 | 7942606908264467 |
| 10 | -2980404613442707547 |
| 11 | 1359327160139797369495 |
| 12 | -740576016766767185246407 |
| 13 | 475017662287177042879384091 |
[2,5,-63,1087,-51399,4655147,-614607875, 110785434767,-26276828035887,7942606908264467, -2980404613442707547,1359327160139797369495, -740576016766767185246407, 475017662287177042879384091] |