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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | -3 |
| 5 | -12 |
| 6 | -17 |
| 7 | -102 |
| 8 | -109 |
| 9 | -872 |
| 10 | -881 |
| 11 | -8810 |
| 12 | -8821 |
| 13 | -105852 |
| 14 | -105865 |
| 15 | -1482110 |
| 16 | -1482125 |
| 17 | -23714000 |
| 18 | -23714017 |
| 19 | -426852306 |
| 20 | -426852325 |
| 21 | -8537046500 |
| 22 | -8537046521 |
| 23 | -187815023462 |
| 24 | -187815023485 |
| 25 | -4507560563640 |
[1,0,0,-3,-12,-17,-102,-109,-872,-881,-8810,-8821, -105852,-105865,-1482110,-1482125,-23714000, -23714017,-426852306,-426852325,-8537046500, -8537046521,-187815023462,-187815023485, -4507560563640] |