The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -3 |
| 2 | 4 |
| 3 | -2 |
| 4 | -4 |
| 5 | 12 |
| 6 | -16 |
| 7 | 8 |
| 8 | 16 |
| 9 | -48 |
| 10 | 64 |
| 11 | -32 |
| 12 | -64 |
| 13 | 192 |
| 14 | -256 |
| 15 | 128 |
| 16 | 256 |
| 17 | -768 |
| 18 | 1024 |
| 19 | -512 |
| 20 | -1024 |
| 21 | 3072 |
| 22 | -4096 |
| 23 | 2048 |
| 24 | 4096 |
| 25 | -12288 |
| 26 | 16384 |
| 27 | -8192 |
| 28 | -16384 |
| 29 | 49152 |
| 30 | -65536 |
| 31 | 32768 |
| 32 | 65536 |
| 33 | -196608 |
| 34 | 262144 |
| 35 | -131072 |
| 36 | -262144 |
| 37 | 786432 |
| 38 | -1048576 |
| 39 | 524288 |
| 40 | 1048576 |
| 41 | -3145728 |
| 42 | 4194304 |
| 43 | -2097152 |
| 44 | -4194304 |
[1,-3,4,-2,-4,12,-16,8,16,-48,64,-32,-64,192,-256, 128,256,-768,1024,-512,-1024,3072,-4096,2048,4096, -12288,16384,-8192,-16384,49152,-65536,32768, 65536,-196608,262144,-131072,-262144,786432, -1048576,524288,1048576,-3145728,4194304,-2097152, -4194304] |