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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | -3 |
| 3 | 46 |
| 4 | -927 |
| 5 | 25476 |
| 6 | -922715 |
| 7 | 42240402 |
| 8 | -2337537279 |
| 9 | 147901509928 |
| 10 | -9689806983699 |
| 11 | 464655683171670 |
| 12 | 44744831894861857 |
| 13 | -27559636076854374804 |
| 14 | 9449663596631181414933 |
| 15 | -3046842389019074859527174 |
| 16 | 1013788651063121586526459905 |
[1,0,-3,46,-927,25476,-922715,42240402, -2337537279,147901509928,-9689806983699, 464655683171670,44744831894861857, -27559636076854374804,9449663596631181414933, -3046842389019074859527174, 1013788651063121586526459905] |