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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 111 |
| 3 | 100 |
| 4 | 11101 |
| 5 | 10111 |
| 6 | 1111100 |
| 7 | 1000101 |
| 8 | 111010111 |
| 9 | 101111100 |
| 10 | 11111000101 |
| 11 | 10001010111 |
| 12 | 1110101111100 |
| 13 | 1011111000101 |
| 14 | 111110001010111 |
| 15 | 100010101111100 |
| 16 | 11101011111000101 |
| 17 | 10111110001010111 |
| 18 | 1111100010101111100 |
| 19 | 1000101011111000101 |
[1,1,111,100,11101,10111,1111100,1000101, 111010111,101111100,11111000101,10001010111, 1110101111100,1011111000101,111110001010111, 100010101111100,11101011111000101, 10111110001010111,1111100010101111100, 1000101011111000101] |