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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 32 |
| 7 | 64 |
| 8 | 128 |
| 9 | 256 |
| 10 | 512 |
| 11 | 1024 |
| 12 | 2048 |
| 13 | 4096 |
| 14 | 8192 |
| 15 | 16384 |
| 16 | 32768 |
| 17 | 131072 |
| 18 | 1048576 |
| 19 | 2097152 |
| 20 | 4194304 |
| 21 | 268435456 |
| 22 | 536870912 |
| 23 | 1073741824 |
| 24 | 2147483648 |
| 25 | 4294967296 |
| 26 | 17179869184 |
| 27 | 34359738368 |
| 28 | 68719476736 |
| 29 | 137438953472 |
[1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192, 16384,32768,131072,1048576,2097152,4194304, 268435456,536870912,1073741824,2147483648, 4294967296,17179869184,34359738368,68719476736, 137438953472] |