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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 15 |
| 4 | 16 |
| 5 | 63 |
| 6 | 64 |
| 7 | 255 |
| 8 | 256 |
| 9 | 1023 |
| 10 | 1024 |
| 11 | 4095 |
| 12 | 4096 |
| 13 | 16383 |
| 14 | 16384 |
| 15 | 65535 |
| 16 | 65536 |
| 17 | 262143 |
| 18 | 262144 |
| 19 | 1048575 |
| 20 | 1048576 |
| 21 | 4194303 |
| 22 | 4194304 |
| 23 | 16777215 |
| 24 | 16777216 |
| 25 | 67108863 |
| 26 | 67108864 |
| 27 | 268435455 |
| 28 | 268435456 |
| 29 | 1073741823 |
| 30 | 1073741824 |
| 31 | 4294967295 |
| 32 | 4294967296 |
[1,3,4,15,16,63,64,255,256,1023,1024,4095,4096, 16383,16384,65535,65536,262143,262144,1048575, 1048576,4194303,4194304,16777215,16777216, 67108863,67108864,268435455,268435456,1073741823, 1073741824,4294967295,4294967296] |