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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 0 |
| 3 | 1000 |
| 4 | 1000 |
| 5 | 0 |
| 6 | 0 |
| 7 | 11000000 |
| 8 | 0 |
| 9 | 1000000 |
| 10 | 100000000 |
| 11 | 0 |
| 12 | 1000000000000 |
| 13 | 1000000000000 |
| 14 | 100010000000000 |
| 15 | 1001000000000000 |
| 16 | 0 |
| 17 | 110000010000000000 |
| 18 | 10000000000000000 |
| 19 | 100000000000000 |
| 20 | 100000100000000000000 |
| 21 | 100000110000000000000 |
| 22 | 110010000000000000000 |
[1,10,0,1000,1000,0,0,11000000,0,1000000, 100000000,0,1000000000000,1000000000000, 100010000000000,1001000000000000,0, 110000010000000000,10000000000000000, 100000000000000,100000100000000000000, 100000110000000000000,110010000000000000000] |