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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 1100 |
| 3 | 1000 |
| 4 | 11110000 |
| 5 | 10100000 |
| 6 | 11000000 |
| 7 | 10000000 |
| 8 | 1111111100000000 |
| 9 | 1010101000000000 |
| 10 | 1100110000000000 |
| 11 | 1000100000000000 |
| 12 | 1111000000000000 |
| 13 | 1010000000000000 |
| 14 | 1100000000000000 |
| 15 | 1000000000000000 |
| 16 | 11111111111111110000000000000000 |
[1,10,1100,1000,11110000,10100000,11000000, 10000000,1111111100000000,1010101000000000, 1100110000000000,1000100000000000, 1111000000000000,1010000000000000, 1100000000000000,1000000000000000, 11111111111111110000000000000000] |