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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1101 |
| 4 | 10001 |
| 5 | 11101 |
| 6 | 1 |
| 7 | 11101101 |
| 8 | 110000001 |
| 9 | 1010111101 |
| 10 | 100001 |
| 11 | 111110101101 |
| 12 | 1111000000001 |
| 13 | 11101110111101 |
| 14 | 110000000100001 |
| 15 | 1011011110101101 |
| 16 | 11000000001 |
| 17 | 111111001110111101 |
| 18 | 1111101101000100001 |
| 19 | 11110000001010101101 |
| 20 | 111011111100000000001 |
[1,1,1,1101,10001,11101,1,11101101,110000001, 1010111101,100001,111110101101,1111000000001, 11101110111101,110000000100001,1011011110101101, 11000000001,111111001110111101, 1111101101000100001,11110000001010101101, 111011111100000000001] |