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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 111 |
| 3 | 1111 |
| 4 | 11101 |
| 5 | 111011 |
| 6 | 1111101 |
| 7 | 11110011 |
| 8 | 111011101 |
| 9 | 1110100011 |
| 10 | 11111110101 |
| 11 | 111100101011 |
| 12 | 1110111110101 |
| 13 | 11101000101011 |
| 14 | 111111110111101 |
| 15 | 1111001110001011 |
| 16 | 11101111011011101 |
| 17 | 111010000001001011 |
| 18 | 1111111110011001101 |
| 19 | 11110011000111010011 |
[1,11,111,1111,11101,111011,1111101,11110011, 111011101,1110100011,11111110101,111100101011, 1110111110101,11101000101011,111111110111101, 1111001110001011,11101111011011101, 111010000001001011,1111111110011001101, 11110011000111010011] |