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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 1 |
| 3 | 11 |
| 4 | 1 |
| 5 | 11011 |
| 6 | 1001001 |
| 7 | 10111011 |
| 8 | 110101001 |
| 9 | 11110011 |
| 10 | 10011001 |
| 11 | 11100001011 |
| 12 | 1000110011001 |
| 13 | 11010011000011 |
| 14 | 1100000001001 |
| 15 | 10011011011 |
| 16 | 1001100001001001 |
| 17 | 110100111010010011 |
| 18 | 11000101100111001 |
| 19 | 1001100010001011 |
| 20 | 10110000001110011001 |
[1,11,1,11,1,11011,1001001,10111011,110101001, 11110011,10011001,11100001011,1000110011001, 11010011000011,1100000001001,10011011011, 1001100001001001,110100111010010011, 11000101100111001,1001100010001011, 10110000001110011001] |