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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 100 |
| 4 | 101 |
| 5 | 1000 |
| 6 | 1010 |
| 7 | 10000 |
| 8 | 10100 |
| 9 | 100000 |
| 10 | 100001 |
| 11 | 101000 |
| 12 | 1000000 |
| 13 | 1000001 |
| 14 | 1000010 |
| 15 | 1010000 |
| 16 | 10000000 |
| 17 | 10000001 |
| 18 | 10000010 |
| 19 | 10000100 |
| 20 | 10000101 |
| 21 | 10001111 |
| 22 | 10100000 |
| 23 | 10100001 |
| 24 | 100000000 |
| 25 | 100000001 |
| 26 | 100000010 |
| 27 | 100000100 |
[0,1,10,100,101,1000,1010,10000,10100,100000, 100001,101000,1000000,1000001,1000010,1010000, 10000000,10000001,10000010,10000100,10000101, 10001111,10100000,10100001,100000000,100000001, 100000010,100000100] |