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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 11 |
| 3 | 1110 |
| 4 | 101 |
| 5 | 111100 |
| 6 | 1011 |
| 7 | 11111010 |
| 8 | 10101 |
| 9 | 1111110010 |
| 10 | 101101 |
| 11 | 111111101100 |
| 12 | 1011111 |
| 13 | 11111111001110 |
| 14 | 10111101 |
| 15 | 1111111110111110 |
| 16 | 101010101 |
| 17 | 111111111100110000 |
| 18 | 1011010001 |
| 19 | 11111111111011100000 |
| 20 | 10101111100 |
| 21 | 1111111111110010000101 |
| 22 | 101100000000 |
[1,10,11,1110,101,111100,1011,11111010,10101, 1111110010,101101,111111101100,1011111, 11111111001110,10111101,1111111110111110, 101010101,111111111100110000,1011010001, 11111111111011100000,10101111100, 1111111111110010000101,101100000000] |