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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -4 |
| 2 | -2 |
| 3 | 16 |
| 4 | 9 |
| 5 | 4 |
| 6 | -90 |
| 7 | -56 |
| 8 | 12 |
| 9 | 60 |
| 10 | 700 |
| 11 | 232 |
| 12 | -51 |
| 13 | -1128 |
| 14 | -2006 |
| 15 | -3648 |
| 16 | -2999 |
| 17 | 6292 |
| 18 | 12004 |
| 19 | 19192 |
| 20 | 8829 |
| 21 | 35024 |
| 22 | -43368 |
| 23 | -92480 |
| 24 | -113859 |
| 25 | -227356 |
| 26 | -33906 |
| 27 | 55072 |
| 28 | 569221 |
| 29 | 631620 |
| 30 | 1193412 |
| 31 | 1593152 |
| 32 | 1178350 |
| 33 | -2589588 |
| 34 | -4131366 |
| 35 | -6312376 |
| 36 | -12864282 |
| 37 | -6891608 |
| 38 | -10022026 |
| 39 | 10270984 |
[1,-4,-2,16,9,4,-90,-56,12,60,700,232,-51,-1128, -2006,-3648,-2999,6292,12004,19192,8829,35024, -43368,-92480,-113859,-227356,-33906,55072,569221, 631620,1193412,1593152,1178350,-2589588,-4131366, -6312376,-12864282,-6891608,-10022026,10270984] |