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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 110 |
| 3 | 1100 |
| 4 | 10100 |
| 5 | 101000 |
| 6 | 1101000 |
| 7 | 11010000 |
| 8 | 100110000 |
| 9 | 1001100000 |
| 10 | 11100100000 |
| 11 | 111001000000 |
| 12 | 1101111000000 |
| 13 | 11011110000000 |
| 14 | 100101010000000 |
| 15 | 1001010100000000 |
| 16 | 10010101100000000 |
| 17 | 100101011000000000 |
| 18 | 1001010001000000000 |
| 19 | 10010100010000000000 |
[1,10,110,1100,10100,101000,1101000,11010000, 100110000,1001100000,11100100000,111001000000, 1101111000000,11011110000000,100101010000000, 1001010100000000,10010101100000000, 100101011000000000,1001010001000000000, 10010100010000000000] |