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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 100 |
| 3 | 1000 |
| 4 | 10000 |
| 5 | 100000 |
| 6 | 1100000 |
| 7 | 10000000 |
| 8 | 100000000 |
| 9 | 1001000000 |
| 10 | 11110000000 |
| 11 | 110100000000 |
| 12 | 1000000000000 |
| 13 | 11100000000000 |
| 14 | 110110000000000 |
| 15 | 1111100000000000 |
| 16 | 10111000000000000 |
| 17 | 100100000000000000 |
| 18 | 1001100100000000000 |
| 19 | 10010001000000000000 |
[1,10,100,1000,10000,100000,1100000,10000000, 100000000,1001000000,11110000000,110100000000, 1000000000000,11100000000000,110110000000000, 1111100000000000,10111000000000000, 100100000000000000,1001100100000000000, 10010001000000000000] |