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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 101 |
| 3 | 111 |
| 4 | 10000 |
| 5 | 10111 |
| 6 | 1010100 |
| 7 | 1111101 |
| 8 | 100000001 |
| 9 | 101111101 |
| 10 | 10101000101 |
| 11 | 11111010111 |
| 12 | 1000000010000 |
| 13 | 1011111010111 |
| 14 | 101010001000100 |
| 15 | 111110101010101 |
| 16 | 10000000100000001 |
| 17 | 10111110101111101 |
| 18 | 1010100010001000101 |
| 19 | 1111101010101010111 |
[1,1,101,111,10000,10111,1010100,1111101, 100000001,101111101,10101000101,11111010111, 1000000010000,1011111010111,101010001000100, 111110101010101,10000000100000001, 10111110101111101,1010100010001000101, 1111101010101010111] |