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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 100 |
| 3 | 1010 |
| 4 | 10100 |
| 5 | 101010 |
| 6 | 1000100 |
| 7 | 10101010 |
| 8 | 100110100 |
| 9 | 1000001010 |
| 10 | 11111000100 |
| 11 | 100100101010 |
| 12 | 1111010010100 |
| 13 | 10001100101010 |
| 14 | 111000010000100 |
| 15 | 1000111111101010 |
| 16 | 11100001110110100 |
| 17 | 110011101010001010 |
| 18 | 1001000111001000100 |
| 19 | 10110110000000101010 |
[1,10,100,1010,10100,101010,1000100,10101010, 100110100,1000001010,11111000100,100100101010, 1111010010100,10001100101010,111000010000100, 1000111111101010,11100001110110100, 110011101010001010,1001000111001000100, 10110110000000101010] |