The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | -2 |
| 4 | 2 |
| 5 | -4 |
| 6 | 4 |
| 7 | -16 |
| 8 | 0 |
| 9 | 8 |
| 10 | -16 |
| 11 | 16 |
| 12 | -14 |
| 13 | -80 |
| 14 | -48 |
| 15 | 32 |
| 16 | 32 |
| 17 | -64 |
| 18 | 64 |
| 19 | 32 |
| 20 | 0 |
| 21 | -256 |
| 22 | 0 |
| 23 | 128 |
| 24 | -256 |
| 25 | -576 |
| 26 | 0 |
| 27 | 256 |
| 28 | -912 |
| 29 | 608 |
| 30 | 1120 |
| 31 | -1280 |
| 32 | -1280 |
| 33 | 512 |
| 34 | 512 |
[1,1,-2,2,-4,4,-16,0,8,-16,16,-14,-80,-48,32,32, -64,64,32,0,-256,0,128,-256,-576,0,256,-912,608, 1120,-1280,-1280,512,512] |