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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 111 |
| 3 | 0 |
| 4 | 11111 |
| 5 | 0 |
| 6 | 1111111 |
| 7 | 0 |
| 8 | 111111111 |
| 9 | 1000 |
| 10 | 11111110111 |
| 11 | 1000 |
| 12 | 1111111111111 |
| 13 | 10001000 |
| 14 | 111111101111111 |
| 15 | 11001000 |
| 16 | 11111111101010111 |
| 17 | 100111001000 |
| 18 | 1111111011101011111 |
| 19 | 110001011000 |
| 20 | 111111111011100011111 |
| 21 | 1001110011000000 |
| 22 | 11111110111011000111111 |
[1,0,111,0,11111,0,1111111,0,111111111,1000, 11111110111,1000,1111111111111,10001000, 111111101111111,11001000,11111111101010111, 100111001000,1111111011101011111,110001011000, 111111111011100011111,1001110011000000, 11111110111011000111111] |