| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 110 |
| 3 | 101 |
| 4 | 10100 |
| 5 | 10011 |
| 6 | 1001000 |
| 7 | 100111 |
| 8 | 110110000 |
| 9 | 111101111 |
| 10 | 10001100000 |
| 11 | 1001011111 |
| 12 | 1101101000000 |
| 13 | 1111100111111 |
| 14 | 100000010000000 |
| 15 | 11111001111111 |
| 16 | 11100011100000000 |
| 17 | 10001011111111 |
| 18 | 1111011101000000000 |
| 19 | 11101100111111111 |
| 20 | 110000101110000000000 |
[1,0,110,101,10100,10011,1001000,100111,110110000, 111101111,10001100000,1001011111,1101101000000, 1111100111111,100000010000000,11111001111111, 11100011100000000,10001011111111, 1111011101000000000,11101100111111111, 110000101110000000000] |