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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 100 |
| 3 | 1110 |
| 4 | 10000 |
| 5 | 111000 |
| 6 | 1000100 |
| 7 | 11101110 |
| 8 | 100000000 |
| 9 | 1110000000 |
| 10 | 10001000000 |
| 11 | 111011100000 |
| 12 | 1000000010000 |
| 13 | 11100000111000 |
| 14 | 100010001000100 |
| 15 | 1110111011101110 |
| 16 | 10000000000000000 |
| 17 | 111000000000000000 |
| 18 | 1000100000000000000 |
| 19 | 11101110000000000000 |
[1,11,100,1110,10000,111000,1000100,11101110, 100000000,1110000000,10001000000,111011100000, 1000000010000,11100000111000,100010001000100, 1110111011101110,10000000000000000, 111000000000000000,1000100000000000000, 11101110000000000000] |