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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 101 |
| 3 | 101 |
| 4 | 10101 |
| 5 | 10101 |
| 6 | 1010101 |
| 7 | 1010101 |
| 8 | 101010101 |
| 9 | 101010101 |
| 10 | 10101010101 |
| 11 | 10101010101 |
| 12 | 1010101010101 |
| 13 | 1010101010101 |
| 14 | 101010100010101 |
| 15 | 101010101010101 |
| 16 | 10101010000000101 |
| 17 | 10101010111110101 |
| 18 | 1010101000100010001 |
| 19 | 1010101010111110101 |
[1,1,101,101,10101,10101,1010101,1010101, 101010101,101010101,10101010101,10101010101, 1010101010101,1010101010101,101010100010101, 101010101010101,10101010000000101, 10101010111110101,1010101000100010001, 1010101010111110101] |