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| n | a(n) |
|---|---|
| 0 | 65 |
| 1 | 511 |
| 2 | 1025 |
| 3 | 2047 |
| 4 | 4097 |
| 5 | 16385 |
| 6 | 32767 |
| 7 | 262145 |
| 8 | 1048577 |
| 9 | 2097151 |
| 10 | 4194305 |
| 11 | 8388607 |
| 12 | 16777217 |
| 13 | 33554431 |
| 14 | 67108865 |
| 15 | 134217727 |
| 16 | 268435457 |
| 17 | 536870911 |
| 18 | 1073741825 |
| 19 | 4294967297 |
| 20 | 8589934591 |
| 21 | 17179869185 |
| 22 | 34359738367 |
| 23 | 68719476737 |
| 24 | 137438953471 |
| 25 | 274877906945 |
[65,511,1025,2047,4097,16385,32767,262145,1048577, 2097151,4194305,8388607,16777217,33554431, 67108865,134217727,268435457,536870911,1073741825, 4294967297,8589934591,17179869185,34359738367, 68719476737,137438953471,274877906945] |