The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 3 | -4 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | -64 |
| 8 | 0 |
| 9 | 256 |
| 10 | 1024 |
| 11 | 0 |
| 12 | -4096 |
| 13 | -12288 |
| 14 | 0 |
| 15 | 49152 |
| 16 | 131072 |
| 17 | 0 |
| 18 | -524288 |
| 19 | -1310720 |
| 20 | 0 |
| 21 | 5242880 |
| 22 | 12582912 |
| 23 | 0 |
| 24 | -50331648 |
| 25 | -117440512 |
| 26 | 0 |
| 27 | 469762048 |
| 28 | 1073741824 |
| 29 | 0 |
| 30 | -4294967296 |
| 31 | -9663676416 |
| 32 | 0 |
| 33 | 38654705664 |
| 34 | 85899345920 |
| 35 | 0 |
[-4,0,0,0,-64,0,256,1024,0,-4096,-12288,0,49152, 131072,0,-524288,-1310720,0,5242880,12582912,0, -50331648,-117440512,0,469762048,1073741824,0, -4294967296,-9663676416,0,38654705664,85899345920, 0] |