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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1001 |
| 4 | 1001 |
| 5 | 1001 |
| 6 | 1101001 |
| 7 | 10001001 |
| 8 | 1101001 |
| 9 | 1100001001 |
| 10 | 10111101001 |
| 11 | 10010001001 |
| 12 | 1101001 |
| 13 | 11111100001001 |
| 14 | 101110111101001 |
| 15 | 101010010001001 |
| 16 | 1011001101001 |
| 17 | 111001000100001001 |
| 18 | 1001101110111101001 |
| 19 | 1100101010010001001 |
| 20 | 110101011001101001 |
[1,1,1,1001,1001,1001,1101001,10001001,1101001, 1100001001,10111101001,10010001001,1101001, 11111100001001,101110111101001,101010010001001, 1011001101001,111001000100001001, 1001101110111101001,1100101010010001001, 110101011001101001] |