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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -1 |
| 3 | -3 |
| 4 | -3 |
| 5 | -15 |
| 6 | 9 |
| 7 | -63 |
| 8 | -15 |
| 9 | -63 |
| 10 | 225 |
| 11 | -1023 |
| 12 | 705 |
| 13 | -4095 |
| 14 | 3969 |
| 15 | 11265 |
| 16 | -255 |
| 17 | -65535 |
| 18 | 28161 |
| 19 | -262143 |
| 20 | 195585 |
| 21 | 770049 |
| 22 | 1046529 |
| 23 | -4194303 |
| 24 | 978945 |
| 25 | -1048575 |
| 26 | 16769025 |
| 27 | -262143 |
| 28 | 50315265 |
| 29 | -268435455 |
| 30 | -118521855 |
| 31 | -1073741823 |
| 32 | -65535 |
| 33 | 3217031169 |
| 34 | 4294836225 |
[1,1,-1,-3,-3,-15,9,-63,-15,-63,225,-1023,705, -4095,3969,11265,-255,-65535,28161,-262143,195585, 770049,1046529,-4194303,978945,-1048575,16769025, -262143,50315265,-268435455,-118521855, -1073741823,-65535,3217031169,4294836225] |