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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | -1 |
| 2 | 5 |
| 3 | 5 |
| 4 | 17 |
| 5 | 29 |
| 6 | 65 |
| 7 | 125 |
| 8 | 257 |
| 9 | 509 |
| 10 | 1025 |
| 11 | 2045 |
| 12 | 4097 |
| 13 | 8189 |
| 14 | 16385 |
| 15 | 32765 |
| 16 | 65537 |
| 17 | 131069 |
| 18 | 262145 |
| 19 | 524285 |
| 20 | 1048577 |
| 21 | 2097149 |
| 22 | 4194305 |
| 23 | 8388605 |
| 24 | 16777217 |
| 25 | 33554429 |
| 26 | 67108865 |
| 27 | 134217725 |
| 28 | 268435457 |
| 29 | 536870909 |
| 30 | 1073741825 |
| 31 | 2147483645 |
| 32 | 4294967297 |
| 33 | 8589934589 |
[2,-1,5,5,17,29,65,125,257,509,1025,2045,4097, 8189,16385,32765,65537,131069,262145,524285, 1048577,2097149,4194305,8388605,16777217,33554429, 67108865,134217725,268435457,536870909,1073741825, 2147483645,4294967297,8589934589] |