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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 8 |
| 4 | 11 |
| 5 | 20 |
| 6 | 50 |
| 7 | 80 |
| 8 | 101 |
| 9 | 110 |
| 10 | 200 |
| 11 | 500 |
| 12 | 800 |
| 13 | 1001 |
| 14 | 1010 |
| 15 | 1100 |
| 16 | 2000 |
| 17 | 5000 |
| 18 | 8000 |
| 19 | 10001 |
| 20 | 10010 |
| 21 | 10100 |
| 22 | 11000 |
| 23 | 20000 |
| 24 | 50000 |
| 25 | 80000 |
| 26 | 100001 |
| 27 | 100010 |
| 28 | 100100 |
| 29 | 101000 |
| 30 | 110000 |
| 31 | 200000 |
| 32 | 500000 |
| 33 | 800000 |
| 34 | 1000001 |
| 35 | 1000010 |
| 36 | 1000100 |
| 37 | 1001000 |
| 38 | 1010000 |
| 39 | 1100000 |
[2,5,8,11,20,50,80,101,110,200,500,800,1001,1010, 1100,2000,5000,8000,10001,10010,10100,11000,20000, 50000,80000,100001,100010,100100,101000,110000, 200000,500000,800000,1000001,1000010,1000100, 1001000,1010000,1100000] |