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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 101 |
| 3 | 100 |
| 4 | 10001 |
| 5 | 1000 |
| 6 | 1000101 |
| 7 | 100100 |
| 8 | 100000001 |
| 9 | 11111000 |
| 10 | 10100000101 |
| 11 | 10010100100 |
| 12 | 1000000000001 |
| 13 | 111111111000 |
| 14 | 101000000000101 |
| 15 | 100101110100100 |
| 16 | 10000000000000001 |
| 17 | 1111111111111000 |
| 18 | 1010000000000000101 |
| 19 | 1001111111110100100 |
| 20 | 100010000000000000001 |
[1,0,101,100,10001,1000,1000101,100100,100000001, 11111000,10100000101,10010100100,1000000000001, 111111111000,101000000000101,100101110100100, 10000000000000001,1111111111111000, 1010000000000000101,1001111111110100100, 100010000000000000001] |