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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1001 |
| 4 | 1001 |
| 5 | 1001 |
| 6 | 1101001 |
| 7 | 10001001 |
| 8 | 1101001 |
| 9 | 1100001001 |
| 10 | 10111101001 |
| 11 | 11110001001 |
| 12 | 10001101001 |
| 13 | 10011100001001 |
| 14 | 10010111101001 |
| 15 | 10011110001001 |
| 16 | 11001010001101001 |
| 17 | 100101011100001001 |
| 18 | 10000010111101001 |
| 19 | 11011110011110001001 |
| 20 | 100010001010001101001 |
[1,1,1,1001,1001,1001,1101001,10001001,1101001, 1100001001,10111101001,11110001001,10001101001, 10011100001001,10010111101001,10011110001001, 11001010001101001,100101011100001001, 10000010111101001,11011110011110001001, 100010001010001101001] |