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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 110 |
| 3 | 11 |
| 4 | 10100 |
| 5 | 10111 |
| 6 | 1011000 |
| 7 | 1001111 |
| 8 | 100010000 |
| 9 | 111011111 |
| 10 | 11011100000 |
| 11 | 1000111111 |
| 12 | 1000101000000 |
| 13 | 1110101111111 |
| 14 | 110110110000000 |
| 15 | 10010011111111 |
| 16 | 10000000100000000 |
| 17 | 11111110111111111 |
| 18 | 1100000111000000000 |
| 19 | 111110001111111111 |
| 20 | 101000101010000000000 |
[1,1,110,11,10100,10111,1011000,1001111,100010000, 111011111,11011100000,1000111111,1000101000000, 1110101111111,110110110000000,10010011111111, 10000000100000000,11111110111111111, 1100000111000000000,111110001111111111, 101000101010000000000] |