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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 7 |
| 3 | 15 |
| 4 | 7 |
| 5 | 63 |
| 6 | 63 |
| 7 | 255 |
| 8 | 511 |
| 9 | 1023 |
| 10 | 2047 |
| 11 | 4095 |
| 12 | 511 |
| 13 | 16383 |
| 14 | 6655 |
| 15 | 65535 |
| 16 | 129535 |
| 17 | 262143 |
| 18 | 524287 |
| 19 | 1048575 |
| 20 | 2097151 |
| 21 | 4194303 |
| 22 | 8331263 |
| 23 | 16777215 |
| 24 | 27262975 |
| 25 | 67108863 |
| 26 | 133431295 |
| 27 | 268435455 |
| 28 | 473759743 |
| 29 | 1073741823 |
| 30 | 2147483647 |
| 31 | 4294967295 |
| 32 | 8319270911 |
[1,1,7,15,7,63,63,255,511,1023,2047,4095,511, 16383,6655,65535,129535,262143,524287,1048575, 2097151,4194303,8331263,16777215,27262975, 67108863,133431295,268435455,473759743,1073741823, 2147483647,4294967295,8319270911] |