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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 49 |
| 9 | 50 |
| 10 | 51 |
| 11 | 52 |
| 12 | 53 |
| 13 | 54 |
| 14 | 55 |
| 15 | 56 |
| 16 | 57 |
| 17 | 549 |
| 18 | 550 |
| 19 | 551 |
| 20 | 552 |
| 21 | 553 |
| 22 | 554 |
| 23 | 555 |
| 24 | 556 |
| 25 | 557 |
| 26 | 5549 |
| 27 | 5550 |
| 28 | 5551 |
| 29 | 5552 |
| 30 | 5553 |
| 31 | 5554 |
| 32 | 5555 |
| 33 | 5556 |
| 34 | 5557 |
| 35 | 55549 |
| 36 | 55550 |
| 37 | 55551 |
| 38 | 55552 |
| 39 | 55553 |
| 40 | 55554 |
| 41 | 55555 |
| 42 | 55556 |
| 43 | 55557 |
| 44 | 555549 |
| 45 | 555550 |
| 46 | 555551 |
| 47 | 555552 |
[0,1,2,3,4,5,6,7,49,50,51,52,53,54,55,56,57,549, 550,551,552,553,554,555,556,557,5549,5550,5551, 5552,5553,5554,5555,5556,5557,55549,55550,55551, 55552,55553,55554,55555,55556,55557,555549,555550, 555551,555552] |