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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 110 |
| 3 | 111 |
| 4 | 10100 |
| 5 | 11111 |
| 6 | 1011000 |
| 7 | 111111 |
| 8 | 100010000 |
| 9 | 101111111 |
| 10 | 10001100000 |
| 11 | 10011111111 |
| 12 | 1000001000000 |
| 13 | 1000111111111 |
| 14 | 100101110000000 |
| 15 | 101101111111111 |
| 16 | 10010010100000000 |
| 17 | 10000011111111111 |
| 18 | 1001111011000000000 |
| 19 | 1001010111111111111 |
[1,1,110,111,10100,11111,1011000,111111,100010000, 101111111,10001100000,10011111111,1000001000000, 1000111111111,100101110000000,101101111111111, 10010010100000000,10000011111111111, 1001111011000000000,1001010111111111111] |