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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 100 |
| 3 | 1110 |
| 4 | 10001 |
| 5 | 111001 |
| 6 | 1000001 |
| 7 | 11100001 |
| 8 | 100000001 |
| 9 | 1110000001 |
| 10 | 10000000001 |
| 11 | 111000000001 |
| 12 | 1000000000001 |
| 13 | 11100000000001 |
| 14 | 100000000000001 |
| 15 | 1110000000000001 |
| 16 | 10000000000000001 |
| 17 | 111000000000000001 |
| 18 | 1000000000000000001 |
| 19 | 11100000000000000001 |
[1,11,100,1110,10001,111001,1000001,11100001, 100000001,1110000001,10000000001,111000000001, 1000000000001,11100000000001,100000000000001, 1110000000000001,10000000000000001, 111000000000000001,1000000000000000001, 11100000000000000001] |