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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 100 |
| 3 | 1000 |
| 4 | 10001 |
| 5 | 100010 |
| 6 | 1000101 |
| 7 | 10001010 |
| 8 | 100010101 |
| 9 | 1000101010 |
| 10 | 10001010101 |
| 11 | 100010101010 |
| 12 | 1000101010101 |
| 13 | 10001010101010 |
| 14 | 100010101010101 |
| 15 | 1000101010101010 |
| 16 | 10001010101010101 |
| 17 | 100010101010101010 |
| 18 | 1000101010101010101 |
| 19 | 10001010101010101010 |
[1,10,100,1000,10001,100010,1000101,10001010, 100010101,1000101010,10001010101,100010101010, 1000101010101,10001010101010,100010101010101, 1000101010101010,10001010101010101, 100010101010101010,1000101010101010101, 10001010101010101010] |