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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 1100 |
| 3 | 1010111 |
| 4 | 1111000 |
| 5 | 11010001111 |
| 6 | 1111010000 |
| 7 | 111010001111111 |
| 8 | 1111010000000 |
| 9 | 1111010001111111111 |
| 10 | 1111010000000000 |
| 11 | 11111010001111111111111 |
| 12 | 1111010000000000000 |
| 13 | 111111010001111111111111111 |
| 14 | 1111010000000000000000 |
| 15 | 1111111010001111111111111111111 |
[1,11,1100,1010111,1111000,11010001111,1111010000, 111010001111111,1111010000000,1111010001111111111, 1111010000000000,11111010001111111111111, 1111010000000000000,111111010001111111111111111, 1111010000000000000000, 1111111010001111111111111111111] |