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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | -3 |
| 4 | -5 |
| 5 | 10 |
| 6 | 58 |
| 7 | 23 |
| 8 | -557 |
| 9 | -1421 |
| 10 | 4094 |
| 11 | 28316 |
| 12 | -52 |
| 13 | -449150 |
| 14 | -970286 |
| 15 | 5908939 |
| 16 | 31046627 |
| 17 | -49583353 |
| 18 | -750617284 |
| 19 | -544416915 |
| 20 | 15819383275 |
| 21 | 46795708732 |
| 22 | -288245326872 |
| 23 | -1808819140124 |
| 24 | 3784215933076 |
| 25 | 57664747490276 |
| 26 | 14416027504376 |
| 27 | -1664155475303224 |
| 28 | -3937904190952656 |
| 29 | 43893853942734810 |
| 30 | 219165998056699650 |
[1,1,0,-3,-5,10,58,23,-557,-1421,4094,28316,-52, -449150,-970286,5908939,31046627,-49583353, -750617284,-544416915,15819383275,46795708732, -288245326872,-1808819140124,3784215933076, 57664747490276,14416027504376,-1664155475303224, -3937904190952656,43893853942734810, 219165998056699650] |