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| n | a(n) |
|---|---|
| 0 | -1 |
| 1 | 1 |
| 2 | -1 |
| 3 | 15 |
| 4 | 0 |
| 5 | -47 |
| 6 | -1 |
| 7 | 987 |
| 8 | 0 |
| 9 | -3673 |
| 10 | 1 |
| 11 | -61029 |
| 12 | 0 |
| 13 | -689455 |
| 14 | -21 |
| 15 | 59250963 |
| 16 | 0 |
| 17 | -164712949 |
| 18 | 39 |
| 19 | -2402805839 |
| 20 | -1 |
| 21 | -4850812329 |
| 22 | 29 |
| 23 | -18151141041 |
| 24 | 0 |
| 25 | 3534139462275 |
| 26 | -1039 |
| 27 | -22045971176589 |
| 28 | -1 |
| 29 | -750527255965871 |
| 30 | -4579 |
| 31 | 54146872254247683 |
| 32 | 0 |
[-1,1,-1,15,0,-47,-1,987,0,-3673,1,-61029,0, -689455,-21,59250963,0,-164712949,39,-2402805839, -1,-4850812329,29,-18151141041,0,3534139462275, -1039,-22045971176589,-1,-750527255965871,-4579, 54146872254247683,0] |