| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 101 |
| 5 | 101 |
| 6 | 10001 |
| 7 | 10101 |
| 8 | 1011001 |
| 9 | 1000001 |
| 10 | 100011101 |
| 11 | 101001011 |
| 12 | 10110001101 |
| 13 | 10000100011 |
| 14 | 1000110101001 |
| 15 | 1010001101001 |
| 16 | 101100100011001 |
| 17 | 100000001000001 |
| 18 | 10001111100011101 |
| 19 | 10100100001000001 |
| 20 | 1011000101101011101 |
| 21 | 1000010010001001001 |
[1,1,1,1,101,101,10001,10101,1011001,1000001, 100011101,101001011,10110001101,10000100011, 1000110101001,1010001101001,101100100011001, 100000001000001,10001111100011101, 10100100001000001,1011000101101011101, 1000010010001001001] |