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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -64 |
| 3 | 0 |
| 4 | 4096 |
| 5 | 23506 |
| 6 | 0 |
| 7 | 0 |
| 8 | -262144 |
| 9 | 531441 |
| 10 | -1504384 |
| 11 | 0 |
| 12 | 0 |
| 13 | 6911282 |
| 14 | 0 |
| 15 | 0 |
| 16 | 16777216 |
| 17 | -47295038 |
| 18 | -34012224 |
| 19 | 0 |
| 20 | 96280576 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 308391411 |
| 26 | -442322048 |
| 27 | 0 |
| 28 | 0 |
| 29 | -173439758 |
| 30 | 0 |
| 31 | 0 |
| 32 | -1073741824 |
| 33 | 0 |
| 34 | 3026882432 |
| 35 | 0 |
| 36 | 2176782336 |
| 37 | -2050092718 |
| 38 | 0 |
| 39 | 0 |
| 40 | -6161956864 |
[1,-64,0,4096,23506,0,0,-262144,531441,-1504384,0, 0,6911282,0,0,16777216,-47295038,-34012224,0, 96280576,0,0,0,0,308391411,-442322048,0,0, -173439758,0,0,-1073741824,0,3026882432,0, 2176782336,-2050092718,0,0,-6161956864] |